Cytologie gynécologique (Images) Flashcards

1
Q
A

Cellules endocervicales sur un frottis conventionnel: bordures cytoplasmiques distinctes avec nid d’abeille ou apparence en piquets de clôture lorsque vues de côté.

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2
Q
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Cellules endocervicales sur une préparation en milieu liquide.

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3
Q
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Amas de cellules endocervicales sur préparation en milieu liquide. Peuvent donner l’impression d’atypies mais les cellules en bordures sont normales et en variant le focus, on voit que les cellules sont espacées régulièrement

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4
Q
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Cellules endocervicales sur une préparation en milieu liquide. Peuvent beaucoup ressembler à des cellules métaplasiques.

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5
Q
A

Cellules métaplasiques normales sur une préparation en milieu liquide.

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6
Q
A

Cellules dégénérées dans le mucus et cellules parabasales dans un frottis conventionnel. Les cellules parabasales peuvent être difficiles à différencier de cellules métaplasiques; dans ce cas, mettre un commentaire à propos de la difficulté d’évaluer la zone de transformation.

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7
Q
A

Spécimen jugé insatisfaisant en raison de l’obscurcissement par des leucocytes.

Si 50-75% des cellules sont obscurcies, mettre un commentaire comme quoi les leucocytes obscurcissent les cellules dans la section du contrôle de qualité.

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8
Q
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Cellules malpighiennes superficielles normales

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9
Q
A

Cellules malpighiennes intermédiaires normales

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10
Q
A

Cellules malpighiennes parabasales normales à côté d’une cellule intermédiaire

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11
Q
A

Cellules malpigihennes basales et parabasales normales

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12
Q
A

Cellules endocervicales bénignes vue de côté (piquets de clotures)

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13
Q
A

Cellules endocervicales normales vu de haut (nid d’abeille)

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14
Q
A

Cellules endocervicales bénignes

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15
Q
A

Cellules endocervicales bénignes

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16
Q
A

Cellules endométriales bénignes

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17
Q
A

Cellules endométriales bénignes

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18
Q
A

Cellules endométriales bénignes

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19
Q
A

Cellules endométriales bénignes

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20
Q
A

Cellules stromales endométriales bénignes

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21
Q
A

Cellules de type parabasal regroupées, distribution caractéristique en « pavée »

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22
Q
A

Cellule parabasale isolée au centre avec noyau rond, chromatine fine et uniformément distribuée.

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23
Q
A

Cellules en métaplasie squameuse avec processus cytoplasmiques fusiformes (spider cells)

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24
Q
A

Cellules en métaplasie squameuse dont le noyau est de la taille de celui d’une cellule parabasale. Ici, le petit nucléole est compatible avec des changements réactionnels et de réparation.

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25
Q
A

Glande endométriale bénigne

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26
Q
A

Glande endométriale bénigne

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27
Q
A

Parakératose. En a), perle squameuse. En b), petit amas de cellules squameuses miniatures avec petits noyaux pycnotiques.

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28
Q
A

Parakératose (amas orangeophile)

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29
Q
A

Parakératose (amas éosinophiles avec petits noyaux opaques)

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30
Q
A

Hyperkératose (amas de squames anucléés)

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31
Q
A

Hyperkératose (Cellules squameuses matures polygonales et anucléées avec fantômes nucléaires)

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32
Q
A

Hyperkératose avec squames anucléées

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33
Q
A

Parakératose en plaque

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34
Q
A

Cellules ciliées avec « terminal bar »

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35
Q
A

Cellules ciliées cylindriques. La flèche montre une cellule caliciforme.

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36
Q
A

Cellules ciliées (flèche) avec « terminal bar ». Pseudo-stratification proéminente et noyaux de grande taille à risque de confondre avec AIS

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37
Q
A

Métaplasie tubaire

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38
Q
A

Métaplasie tubaire

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39
Q
A

Atrophie sur préparation en milieu liquide. Amas plat et monocouche de cellules de type parabasal avec polarité nucléaire préservée.

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40
Q
A

Atrophie sur préparation en milieu liquide. Dissociation des cellules parabasales dans un background plus propre.

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41
Q
A

Atrophie sur préparation en milieu liquide. Les débris granulaires sont amassés autour des cellules atrophiques. Ne pas surdiagnostiquer comme « clinging tumor diathesis ».

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42
Q
A

Atrophie sur frottis conventionnel. Cellules géantes multinucléées (trouvaille non-spécifique, souvent vue dans les spécimens post-ménopause ou post-partum). Ne pas confondre avec syncytiotrophoblaste et cellules multinucléées de l’herpès.

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43
Q
A

SurePath Pap test shows “blue blobs” (white curved arrow), which are epithelial cell alterations in atrophic vaginitis. Parabasal cells (white solid arrow) with debris (white open arrow) are seen.

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44
Q
A

Cellules parabasales dégénérées en contexte atrophique

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45
Q
A

Atrophie avec “blobs” bleutés

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46
Q
A

Atrophie avec pseudo-diathèse

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47
Q
A

Métaplasie transitionnelle bénigne

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48
Q
A

Cellules naviculaires (glycogénation en contexte de grossesse)

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49
Q
A

Cellules naviculaires (glycogénation en contexte de grossesse)

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50
Q
A

Cellule déciduale

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51
Q
A

Cellules déciduales

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52
Q
A

Les changements déciduaux ressemblent à des anomalies des cellules épithéliales, à la fois LSIL et HSIL. Ces cellules sont lâchement cohésives, environ de la taille d’une cellule intermédiaire, avec cytoplasme fin, peu défini. Les noyaux sont pâles, finement granulaires avec chromatine distribuée uniformément. Les nucléoles sont présents. En l’absence des renseignements cliniques pertinents (grossesse ou post-partum), on risque de les interpréter comme cellules réactionnelles ou LSIL.

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53
Q
A

Syncytiotrophoblastes

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54
Q
A

Modifications d’Arias-Stella

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55
Q
A

Cellules squameuses réactionnelles avec augmentation de la taille nucléaire mais chromatine fine et uniforme et contours nucléaires réguliers.

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56
Q
A

Modifications réactionnelles

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57
Q
A
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58
Q
A

Cellules glandulaires réactionnelles

Mime LSIL (environ même taille de cellule) or nucléole pas caractéristique de LSIL

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59
Q
A

Hyperplasie micro-glandulaire (cellules endocervicales réactionnelles)

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60
Q
A

Changements de réparation. Amas cohésif de cellules endocervicales réactionnelles. Nucléoles proéminents.

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61
Q
A

Changements de réparation. Cohésion cytoplasmique et streaming. PMN intracytoplasmiques.

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62
Q
A

Feuillet monocouches de cellules réactionnelles de réparation avec bordures cytoplasmiques distinctes, polarité nucléaire montrant un streaming, nucléole proéminent. Sur le dessus, on voit un amas de cellules endocervicales réactionnelles.

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63
Q
A

Changements réactionnels sur préparation en milieu liquide. Le streaming est moins apparent vu les amas arrondis. On note des PMN intracytoplasmiques.

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64
Q
A

Préparation en milieu liquide: population lymphocytaire polymorphe, macrophages à corps tingibles. Dans ces préparations, les lymphocytes tendent plus à s’agréger.

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65
Q
A

Cervicite folliculaire

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66
Q
A

Cervicite folliculaire

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67
Q
A

Changements réactionnels et de réparation dans une cervicite folliculaire. Un macrophage à corps tingible est visible au centre.

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68
Q
A

ThinPrep Pap test shows reactive changes due to radiation in endocervical cells. There is nucleomegaly with corresponding increase in cytoplasm resulting in normal N:C ratios. Degenerative cytoplasmic vacuoles are another common feature (white curved arrow).

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69
Q
A

Changements réactionnels et de réparation secondaires aux radiations: karyomégalie, cytoplasme abondant, vacuolisé et polychromatique, noyau légèrement hyperchromatique sans chromatine grossière, nucléole proéminent. Encadré: multinucléation.

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70
Q
A

a) Changements réactionnels secondaires aux radiations sur des cellules squameuses. Cytoplasme abondant de forme irrégulière, avec streaming. Noyau agrandis pâles ou hyperchromatiques avec nucléole.
b) En milieu liquide, les cellules ne montrent pas le streaming et le cytoplasme est plus dense.

La dégénération nucléaire et la vacuolisation cytoplasmique sont fréquentes dans les deux types de préparation.

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71
Q
A

Cellules malpighiennes intermédiaires avec granules kératohyalines

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72
Q
A

Atrophie et pseudo-parakératose

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73
Q
A

Atrophie

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74
Q
A

Cervicite folliculaire

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75
Q
A

Modifications post-radiques

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76
Q
A

Petit amas de cellules glandulaires avec des vacuoles cytoplasmiques déplaçant le noyau.

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77
Q
A

Dans une préparation en milieu liquide, les amas cellulaires sont plus serrés mais on retrouve, comme dans le frottis, une vacuolisation cytoplasmique et des changements nucléaires réactionnels.

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78
Q
A

Modifications secondaires à un dispositif intra-utérin

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79
Q
A

Organismes un peu flous

Petit noyau pâle

Granules cytoplasmiques (difficilement visibles)

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80
Q
A

Trichomonas vaginalis: organismes en forme de poire avec noyau excentré et granules cytoplasmiques éosinophiles. Le noyau et la présence de granules différencie trichomonas de fragments cytoplasmiques artéfactuels.

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81
Q
A

Pap test shows the pear-shaped trichomonas organisms (black solid arrow), which are overlying squamous epithelial cells and between cells. The thin long filamentous leptothrix (cyan solid arrow) are usually seen in association with trichomonas. Bacterial vaginosis covering cells is also frequently seen (black open arrow).

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82
Q
A

Trichomonas vaginalis

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83
Q
A

Poly balls, ici avec quelques trichomonas en background. Les poly balls sont des indices de trichomonas.

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84
Q
A

Trichomonas vaginalis

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85
Q
A

Liquid-based Pap shows pear-shaped trichomonas organisms containing a single nucleus (white solid arrow), cytoplasmic granules (white curved arrow), and a flagellum (black open arrow) that is not easily visualized.

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86
Q
A

Leptothrix (Pap-stained, SurePath monolayer): Long bacilli, noted singly or in colonies, often noted with trichomonas, clinically insignificant.

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87
Q
A

Trichomonas et Leptothrix

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88
Q
A

Trichomonas vaginalis

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89
Q
A

Trichomonas vaginalis

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90
Q
A

Pseudo-hyphes et spores (qui bourgeonnent des pseudo-hyphes). Noter le shish-kebab de cellules épithéliales.

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91
Q
A

Pseudo-hyphes avec quelques spores sur préparation en milieu liquide.

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92
Q
A

Shish kebab de cellules squameuses se voyant à faible grossissement même si les pseudo-hyphes ne sont pas proéminentes.

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93
Q
A

Candida

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94
Q
A

Candida

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95
Q
A

Liquid-based Pap shows organisms consistent with Candida species with spearing of squamous cells (black solid arrow) (best appreciated on low magnification). Also note the cells covered by a film of bacteria (cyan solid arrow) consistent with bacterial vaginosis.

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96
Q
A

Liquid-based Pap shows organisms consistent with Candida species with spearing of squamous cells (black solid arrow) (best appreciated on low magnification). Also note the cells covered by a film of bacteria (cyan solid arrow) consistent with bacterial vaginosis.

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97
Q
A

Clue cell: cellule squameuse recouverte d’un film de bactéries

Préparation en milieu liquide avec background propre

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98
Q
A

Lactobacilles: flore normale.

Les lactobacilles causent la cytolyse des cellules squameuses, donc on retrouve des noyaux nus.

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99
Q
A

Clue cells: les bactéries adhèrent aux cellules squameuses, leur donnant l’aspect d’un tapis shag.

Absence de lactobacilles.

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100
Q
A

Coccobacilles en background qui remplacent les lactobacilles (frottis conventionnel)

Clue cells

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101
Q
A

Préparation en milieu liquide à background propre

Clue cell

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102
Q
A

Gardnerella vaginalis: bactéries dans le background et recouvrant les cellules squameuses (clue cells). Peu/pas de PMN.

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103
Q
A

Actinomyces

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104
Q
A

Colonies bactériennes avec aspect en boule de coton. Les organismes sont filamenteux (voir en périphériE ceux qui font protrusion).

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105
Q
A

Amas emmêlés d’organismes filamenteux formant un aspect de boule de coton. Noter la réponse inflammatoire aiguë importante.

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106
Q
A

Les amas protéinacés sont lavés (donc absents) des préparations en milieu liquide, laissant seulement de fins filaments bactériens beaucoup plus minces que candida.

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107
Q
A

SurePath Pap test shows a fluffy ball-like structure from the periphery of which radiate fine filamentous bacteria (black solid arrow), consistent with the Actinomyces species.

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108
Q
A

SurePath Pap test shows filamentous bacteria morphologically consistent with the Actinomyces species.

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109
Q
A

Noyaux emplis de particules virales à apparence pâle et homogène. La chromatine est marginée. Certains noyaux ont une inclusion intra-nucléaire éosinophile.

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110
Q
A

Inclusions de type Cowdry A. Noyau en verre dépoli.

L’encadré montre une cellule multinucléée typique sur préparation en milieu liquide.

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111
Q
A

ThinPrep Pap test shows herpes viral cytopathic effect with multinucleation (white solid arrow), molding of nuclei (white curved arrow) and margination of chromatin.

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112
Q
A

Cellule de grande taille avec noyau de grande taille

Inclusion intranucléaire entourée d’un halo clair

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113
Q
A

CMV

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114
Q
A

Chaque cellule est dotée d’une grosse inclusion intranucléaire entourée d’un halo clair. Le cytoplasme contient aussi de multiples petites granules basophiles.

Habituellement, seules quelques rares cellules sont identifiées.

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115
Q
A

ASC-US

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116
Q
A

Cellules intermédiaires atypiques avec noyau 2-3x la taille d’un noyau normal + légères irrégularités de contour. (ASC-US)

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117
Q
A

Cellule intermédiaire avec noyau augmenté de taille et légère irrégularité du contour. (ASC-US)

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118
Q
A

Cellule atypique isolée avec halo cytoplasmique mal défini dans un background d’inflammation. (ASC-US)

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119
Q
A

Cellule intermédiaire atypique binucléée avec moulage et cytoplasme orangeophile. Suggère un LSIL mais pas suffisant. (ASC-US)

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120
Q
A

Cellules multinucléées avec noyaux augmentés de taille, mais artéfacts de séchage. (ASC-US)

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121
Q
A

Amas cohésif de cellules avec ↑ de la taille nucléaire focale, cytoplasme orangeophile, vacuoles cytoplasmiques pas très bien formées et binucléation. (ASC-US)

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122
Q
A

Groupe de cellules avec légère augmentation de la taille nucléaire, légères irrégularités de contour, légère hyperchromasie. (ASC-US)

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123
Q
A

Cellules intermédiaires avec noyaux 2-3x la taille d’une cellule intermédiaire normale. Rares cellules binucléées. Légère irrégularité de contour et hyperchromasie. (ASC-US)

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124
Q
A

Cellule squameuse intermédiaire atypique binucléée avec noyaux légèrement augmentés de taille. Background inflammatoire. (ASC-US)

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125
Q
A

Plusieurs cellules avec légère hyperchromasie et N:C légèrement augmenté. Binucléation occasionnelle et halos cytoplasmiques. On pourrait voir ces trouvailles dans un processus réactionnel ou infectieux mais vu l’absence d’organisme et d’histoire clinique, a été classé comme ASC-US.

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126
Q
A

Cellule intermédiaire atypique avec un noyau légèrement augmenté de taille et un halo péri-nucléaire pas très bien formé. (ASC-US)

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127
Q
A

Rare intermediate cell with nuclear enlargement and some cytoplasmic degenerative changes is shown, which is not diagnostic of LSIL, hence ASC-US. HPV status in this case was negative.

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128
Q
A

Parakératose atypique (ASC-US)

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129
Q
A

(ASC-US) Pap-stained ThinPrep shows squamous parakeratosis. Small cuboidal squamous cells with dense orangeophilic cytoplasm and enlarged pyknotic nuclei may mimic keratinizing dysplasia or worse, particularly in a background of inflammation.

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130
Q
A

Feuillet cohésif de cellules kératinisées fusiformes avec augmentation de la taille nucléaire, hyperchromasie et cytoplasme orangeophile. (ASC-US)

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131
Q
A

Feuillet cohésif de cellules squameuses atypiques avec cytoplasme orangeophile et noyaux entassés, allongés et hyperchromatiques. (ASC-US)

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132
Q
A

Réparation atypique. Cellules en feuillet bidimensionnel et cytoplasme avec streaming et aspect étiré. Les noyaux sont pléomorphes avec multinucléation. Le degré de pléomorphisme justifie l’ASC-US. La chromatine fine et granulaire est en faveur d’un processus de réparation.

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133
Q
A

Réparation atypique. La chromatine irrégulière et le N:C augmenté sont atypiques et justifient l’ASC-US, parfois même l’ASC-H (ici, ASC-US).

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134
Q
A

Réparation atypique (ASC-US)

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135
Q
A

SurePath Pap test shows robust squamous metaplasia, “atypical” tissue repair. Karyomegaly, marked anisonucleosis, syncytial architecture, nucleoli, and nuclear molding may mimic LSIL or squamous carcinoma. (ASC-US)

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136
Q
A

ASC-US + Atrophie

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137
Q
A

Patron atrophique principalement composé de cellules parabasales. Noyaux augmentés de taille occasionnels = caractéristique de l’atypie post-ménopause qui est souvent surdiagnostiquée comme ASC-US.

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138
Q
A

ThinPrep Pap test from a postmenopausal woman with rare cells shows high nuclear:cytoplasmic ratios, mild hyperchromasia, and nuclear contour irregularities (white solid arrow). A normal parabasal cell nearby can be used to make a comparison of nuclear size (white curved arrow). (ASC-US)

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139
Q
A

a) Petites cellules isolées avec N:C variable et quelque cellules avec irrégularités nucléaires. b) Petites cellules avec noyau agrandi et irrégulier mais dégénéré.

(ASC-H)

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140
Q
A

ASC-H. Rares cellules métaplasiques avec cytoplasme dense, noyau augmenté de taille et hyperchromatique dans un background inflammatoire. À la biopsie, il s’agissait de cellules métaplasiques. La catégorie ASC-H est acceptable quand on trouve seulement de rares cellules anormales avec un cytoplasme « métaplasique » et un haut rapport N:C.

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141
Q
A

Lame sans particularité sauf cette seule grosse cellule atypique dans un background propre. Noyau irrégulier et hyperchromasie suspects mais pas suffisants pour HSIL. À la biopsie, on a identifié de la métaplasie tubaire mais pas de CIN.

(ASC-H)

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142
Q
A

ASC-H. Trois petites cellules métaplasiques atypiques avec hyperchromasie et noyaux de contours irréguliers. Le LEEP a révélé des zones focales de HSIL et de la métaplasie immature.

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143
Q
A

Groupes de cellules métaplasiques immatures atypiques avec noyaux augmentés de taille, haut ratio N:C, contours irréguliers et chromatine grossière. Pas suffisant pour classer comme HSIL.

(ASC-H)

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144
Q
A

Groupe isolé de cellules métaplasique immatures atypiques avec cytoplasme dense, haut ratio N:C, noyaux augmentés de taille, contours irréguliers et sillon nucléaire.

ASC-H

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145
Q
A

Agrégat épais de cellules cohésives, séchées et superposées. La chromatine est régulière et les contours nucléaires lisses, mais l’épaisseur de l’amas rend l’évaluation difficile. La désorganisation des cellules rend suspect de HSIL.

(ASC-H)

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146
Q
A

Frottis d’une femme post-ménopausée avec cellules ovoïdes à noyaux irréguliers et mal préservés.

ASC-H

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147
Q
A

ASC-H

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148
Q
A

Cellules squameuses métaplasiques immatures avec atypies nucléaires suggérant un HSIL, mais le degré d’augmentation de taille du noyau, d’hyperchromasie et d’irrégularité membranaire est insuffisant pour un diagnostic définitif.

(ASC-H)

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149
Q
A

Conventional Pap smear with rare immature cells (white solid arrow) shows increased N:C ratios, nuclear hyperchromasia, and slight nuclear membrane irregularity.

(ASC-H)

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150
Q
A

A rare isolated cell interpreted as atypical squamous cells (ASC), cannot rule out high-grade squamous intraepithelial lesion (HSIL) (ASC-H) (white solid arrow) on SurePath preparation is shown. Note the high N:C ratio and nuclear enlargement between 1.5-2.0x compared with adjacent intermediate cell nucleus (white curved arrow) and adjacent parabasal and immature metaplastic-type cells (white open arrow).

(ASC-H)

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151
Q
A

Histiocytes (mimique de ASC-H)

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152
Q
A

Histiocytes (mimique d’ASC-H)

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153
Q
A

Cellules endométriales mimant un HSIL. Groupe de cellules endométriales mal préservées, de petite taille avec noyau hyperchromatique et haut ratio N:C.

Peut mimer un ASC-H

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154
Q
A

Collection of endometrial cells (white open arrow) (~ the same size as adjacent intermediate cell nucleus (white solid arrow)) with high N:C ratios is shown. The small size of the cells and clustering is a clue to their endometrial origin.

(Peut mimer un ASC-H)

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155
Q
A

An isolated single cell with high N:C ratio and dark, smudged chromatin was interpreted as ASC-H. Follow-up was benign and HPV test was negative. In retrospect, it was felt to be an isolated and degenerated decidual cell as patient was pregnant at the time.

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156
Q
A

Koïlocytes classiques avec grande cavité cytoplasmique délimitée par un renforcement cytoplasmique. Cellules fréquemment binucléées. L’augmentation de la taille du noyau peut être moins marquée que dans les LSIL non-koïlocytaires.

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157
Q
A

LSIL non-koïlocytaire. Les noyaux sont significativement plus grands avec hyperchromasie légère et contours irréguliers.

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158
Q
A

LSIL avec kératinisation.

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159
Q
A

LSIL

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160
Q
A

Cellules de grande taille, chromatine smudgy, cytoplasme bien défini, multinucléation.

(LSIL)

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161
Q
A

Anomalies nucléaires; l’effet cytopathique du HPV avec le halo périnucléaire n’est pas en lui seul suffisant pour parler de LSIL.

162
Q
A

Koïlocytes: cavité péri-nucléaire bien définie, condensation du cytoplasme en périphérie, noyaux anormaux (grande taille, membrane irrégulière). L’hyperchromasie peut être moins visible sur les préparations en milieu liquide.

(LSIL)

163
Q
A

Cellules squameuses matures avec noyau agrandi, chromatine variable et membranes nucléaires variables. Ici, les koïlocytes sont présents.

(LSIL)

164
Q
A

Low-grade squamous intraepithelial lesion (LSIL) on ThinPrep shows cells (white solid arrow) without the koilocytic cytoplasmic clearing but with nuclear features, including enlargement, hyperchromasia, and contour irregularities. Koilocytes are seen in the lower part of the image (white curved arrow).

165
Q
A

ThinPrep Pap test with thick clumps of koilocytes of varying sizes and optically clear halos and peripheral condensation of cytoplasm is shown.

(LSIL)

166
Q
A

ASC-US vs LSIL

167
Q
A

ASC-US vs LSIL: amas de cellules squameuses avec quelques anomalies nucléaires. Cette cytologie a été interprétée comme ASC-US.

168
Q
A

ASC-US vs LSIL. Les caractéristiques nucléaires sont borderline entre les deux catégories. De tels cas ont une mauvais reproductibilité inter-observateurs.

169
Q
A

ASC-US vs LSIL. Augmentation anormale de la taille des noyaux sans changement koïlocytaire cytopathique de HPV.

170
Q
A

Pap smear shows navicular cells with yellow-tinged coloration (black solid arrow) to the cytoplasmic clearing. Nuclear changes of LSIL are absent in this mimic.

171
Q
A

Tight halos (white solid arrow) from reactive changes secondary to Candida (white curved arrow) overgrowth. These reactive halos are small, not optically clear, and the nucleus tends to be centrally located within the halo. Unlike koilocytes, there is no peripheral cytoplasmic condensation.

172
Q
A

Cellules avec peu de cytoplasme, un noyau très hyperchromatique et des contours nucléaires irréguliers.

(HSIL)

173
Q
A

Cellules avec quantité modérée de cytoplasme, anciennement classées comme CIN 2.

(HSIL)

174
Q
A

HSIL

175
Q
A

HSIL

176
Q
A

HSIL

177
Q
A

HSIL

178
Q
A

Une grosse cellule LSIL avec 4 petites cellules HSIL au ratio N:C élevé

(HSIL)

179
Q
A

Amas syncytial (groupe entassé hyperchromatique, traduction libre de « crowded hyperchromatic group »

(HSIL)

180
Q
A

HSIL

181
Q
A

HSIL. Les noyaux sont ceux d’un HSIL, mais le ratio N:C est plutôt bas pour un HSIL.

182
Q
A

HSIL avec variation de la forme et de la taille des noyaux. Le cytoplasme est délicat.

183
Q
A

HSIL avec cytoplasme dense « métaplasique ». Au faible grossissement, risque de les confondre avec des cellules métaplasiques.

184
Q
A

HSIL

185
Q
A

HSIL sur préparation en milieu liquide. Les noyaux sont irréguliers et la chromatine anormale, mais l’hyperchromatisme est moins prononcé que sur un frottis conventionnel.

186
Q
A

HSIL. Les nucléoles sont rarement présents, mais se voient particulièrement en cas d’extension du CIN dans les glandes endocervicales.

187
Q
A

HSIL kératinisant. Les critères nucléaires sont plus difficiles à appliquer sur les cellules kératinisées.

188
Q
A

HSIL

189
Q
A

HSIL

190
Q
A

ThinPrep Pap with usual (not imager) Pap stain shows hypochromatic HSIL. The nuclei are hypochromic but do show high N:C ratios and contour irregularities (black curved arrow). These are unique to ThinPreps and may be related to the fixative medium. This can be misinterpreted as metaplasia.

(HSIL)

191
Q
A

Conventional Pap shows keratinizing HSIL. Orangeophilic cells (black curved arrow) with high N:C ratios and dense, dark nuclei with irregular contours (black solid arrow) are shown.

(HSIL)

192
Q
A

HSIL avec extension dans les glandes endocervicales. L’aplatissement des cellules en périphérie favorise un HSIL par rapport à une lésion glandulaire.

193
Q
A

HSIL avec aspect d’extension dans les glandes endocervicales

194
Q
A

A : HSIL

B : Endomètre

195
Q
A

HSIL évoquant des changements de réparation. Cytoplasme plus abondant avec infiltrat inflammatoire.

196
Q
A

Noyaux nus anormaux à rechercher des cellules HSIL classiques ailleurs dans le spécimen. Il faut les distinguer des noyaux nus de cellules intermédiaires cytolysées et des « petites cellules bleues »

197
Q
A

HSIL dans le mucus

198
Q
A

HSIL avec kératinisation atypique

199
Q
A

Cellules kératinisées avec nucléoles et noyaux anguleux ou « en forme de carotte » qui sont suspects pour de l’invasion à Interpréter comme HSIL, ne peut éliminer une composante invasive.

200
Q
A

HSIL sur atrophie. Les cellules HSIL arrangées en feuillet montrent une anisokaryose significative et une perte de polarité avec chevauchement. On identifie un amas de cellules parabasales.

201
Q
A

Cellules endométriales (NILM)

202
Q
A

Jeune femme au 2e trimestre de grossesse. Cellules isolées avec N:C élevé et hyperchromatisme, mais la chromatine smudgy et nucléole sont des indices de l’origine stromale déciduale.

203
Q
A

Carcinome kératinisant sur préparation en milieu liquide. Diathèse tumorale, cellules kératinisées anormales, cellules fusiformes.

204
Q
A

Carcinome kératinisant. Les cellules malignes sont de taille et de forme variables. On note des cellules têtards kératinisées. Les noyaux varient de vésiculés et irréguliers à pycnotiques (celluules kératinisées)

205
Q
A

Carcinome épidermoïde kératinisant

206
Q
A

Carcinome kératinisant. Les cellules sont pléomorphes en taille et en forme, il y a de la kératinisation et de la diathèse tumorale en background.

207
Q
A

Carcinome kératinisant sur préparation en milieu liquide. La diathèse est plus subtile et s’amasse autour des groupes de cellules (clinging diathesis).

208
Q
A

Bizarre malignant keratinized cell has a long club-shaped tail. Nuclear chromatin is dark with irregular clearing and nuclear contours. Note diathesis (black solid arrow), which can be subtle.

(Carcinome épidermoïde kératinisant)

209
Q
A

Keratinizing squamous cell carcinoma (KSqCa) on SurePath Pap test shows a cellular specimen with diathesis (black solid arrow) and inflammation in which large keratinized malignant cells are easily seen (black open arrow).

210
Q
A

ThinPrep Pap test shows spindle and bizarre cells (black solid arrow) of a KSqCa. Note the subtle clinging diathesis (black open arrow) along the periphery of an otherwise clean background.

(Carcinome épidermoïde kératinisant)

211
Q
A

Pap smear shows a pearl of abnormal keratinized cells with nuclear contour irregularities (white solid arrow) and a rare cell with a nucleolus (white open arrow). Pearls from this KSqCa can be mistaken for high-grade keratinized dysplasia in the absence of diathesis. Either way, this degree of nuclear abnormality in a pearl should be called a high-grade or malignant lesion on Pap, depending on other features.

(Carcinome épidermoïde kératinisant)

212
Q
A

Carcinome épidermoïde non-kératinisant

213
Q
A

Carcinome épidermoïde non-kératinisant

214
Q
A

Diathèse tumorale

215
Q
A

Carcinome non-kératinisant. Les cellules présentent les caractéristiques d’un HSIL. Les cellules sont cependant pléomorphes, ce qui rend suspect d’invasion. La diathèse et les nucléoles sont absents sur ce champ.

216
Q
A

Préparation en milieu liquide. Noyaux anormaux avec nucléoles proéminents et distribution irrégulière de la chromatine. Groupe et cellules isolées. Diathèse tumorale en background.

(Carcinome épidermoïde non-kératinisant)

217
Q
A

Préparation en milieu liquide. Les contours des amas sont plus ronds dans les préparations en milieu liquide, pouvant simuler une lésion glandulaire.

(Carcinome épidermoïde non-kératinisant)

218
Q
A

Carcinome non-kératinisant. Amas de cellules anormales et cellules isolées avec background de cellules inflammatoires.

219
Q
A

Nonkeratinizing SqCa (NKSqCa) in a bloody diathesis (white solid arrow) consisting of lysed blood and fibrin is shown. Note nucleoli (black solid arrow) and vesicular chromatin of the cells, which are round and irregular with occasional cells showing pulled, a columnar-like cytoplasm (black open arrow).

220
Q
A

AGC endocervical

221
Q
A

AGC endocervical

222
Q
A

AGC endocervical (probable métaplasie tubaire dont on ne voit pas les cils)

223
Q
A

AGC endocervical (probable métaplasie tubaire dont on ne voit pas les cils)

224
Q
A

Métaplasie tubaire avec cils (mimique d’AGC endocervical)

225
Q
A

AGC endocervical (probable métaplasie tubaire)

226
Q
A

AGC (probable métaplasie tubaire dont on ne voit pas les cils)

227
Q
A

AGC endocervical (probable modifications post-radiques)

228
Q
A

Modifications post-radiques (NILM)

229
Q
A

Modifications post-radiques (NILM)

230
Q
A

AGC endocervical (hyperplasie microglandulaire au follow-up)

231
Q
A

AGC endocervical (AIS au follow-up)

232
Q
A

AGC (HSIL avec extension dans les glandes au follow-up)

233
Q
A

AGC endocervical (HSIL avec extension dans les glandes endocervicales au follow-up)

234
Q
A

AGC favorisant néoplasie (AIS au follow-up)

235
Q
A

AGC favorisant néoplasie (AIS au follow-up)

236
Q
A

AGC favorisant néoplasie

237
Q
A

Modifications en contexte de dispositif intra-utérin (mimique d’AGC)

238
Q
A

Modification d’Arias-Stella (mimique d’AGC)

239
Q
A

Endométriose (mimique d’AGC)

240
Q
A

Endométriose (mimique d’AGC)

241
Q
A

AGC endométrial (hyperplasie endométriale au follow-up)

242
Q
A

AGC endométrial

243
Q
A

AGC endométrial (adénocarcinome endométrial au follow-up)

244
Q
A

AGC endométrial (hyperplasie endométriale au follow-up)

245
Q
A

AGC endométrial

246
Q
A

AIS

247
Q
A

AIS

248
Q
A

AIS

249
Q
A

AIS

250
Q
A

AIS

251
Q
A

AIS

252
Q
A

AIS

253
Q
A

AIS

254
Q
A

AIS (variante endométrioïde)

255
Q
A

AIS (variante intestinale)

256
Q
A

AIS

257
Q
A

AIS

258
Q
A

AIS

259
Q
A

AIS

260
Q
A

AIS

261
Q
A

AIS et HSIL

262
Q
A

AIS

263
Q
A

A : AIS

C : Métaplasie tubaire

264
Q
A

Adénocarcinome endocervical invasif

265
Q
A

Adénocarcinome endocervical invasif

266
Q
A

Adénocarcinome endocervical invasif

267
Q
A

Adénocarcinome endocervical invasif

268
Q
A

Adénocarcinome endocervical invasif

269
Q
A

Adénocarcinome endocervical invasif

270
Q
A

Adénocarcinome endocervical invasif (en haut) vs cellules réactionnelles (en bas)

271
Q
A

Adénocarcinome endocervical invasif

272
Q
A

Adénocarcinome endocervical invasif

273
Q
A

Adénocarcinome endocervical invasif

274
Q
A

Adénocarcinome endocervical invasif

275
Q
A

Adénocarcinome endocervical invasif

276
Q
A

Adénocarcinome endocervical invasif

277
Q
A

Adénocarcinome endocervical invasif (aspect d’AIS + diathèse tumorale)

278
Q
A

Adénocarcinome endocervical invasif (aspect d’AIS + diathèse tumorale)

279
Q
A

Adénocarcinome endocervical invasif variante villoglandulaire

280
Q
A

Adénocarcinome endocervical invasif variante villoglandulaire

281
Q
A

Adénocarcinome endocervical invasif variante mucineuse

282
Q
A

Adénocarcinome endocervical invasif variante mucineuse

283
Q
A

Adénocarcinome endométrial invasif

284
Q
A

Adénocarcinome endométrial invasif

285
Q
A

Adénocarcinome endométrial invasif (diathèse acqueuse)

286
Q
A

Adénocarcinome endométrial invasif (aspect d’AGC + diathèse)

287
Q
A

Adénocarcinome endométrial invasif (au-moins AGC endométrial)

288
Q
A

Adénocarcinome endométrial invasif

289
Q
A

Adénocarcinome endométrial invasif

290
Q
A

Adénocarcinome endométrial invasif

291
Q
A

Adénocarcinome endométrial invasif

292
Q
A

Adénocarcinome endométrial invasif (diathèse)

293
Q
A

Adénocarcinome séreux de haut grade

294
Q
A

Adénocarcinome séreux de haut grade

295
Q
A

Adénocarcinome endométrial (G) comparé aux dispositifs intra-utérins (D)

296
Q
A

Carcinome extra-utérin avec psammommes

297
Q
A

Carcinome extra-utérin avec psammommes

298
Q
A

Carcinome séreux de haut grade

299
Q
A

Carcinome séreux de haut grade

300
Q
A

Carcinome séreux de haut grade

301
Q
A

Carcinome séreux de haut grade

302
Q
A

Carcinome séreux de haut grade

303
Q
A

Superficial and Intermediate Squamous Cells. The mature squamous epithelium of the ectocervix in women of reproductive age is composed throughout most of Its thickness by superficial (arrowhead) and intermediate (arrow) cells.

304
Q
A

Parabasal and Basal Cells (postpartum smear). Parabasal cells (large arrow) are oval and typically have dense cytoplasm. Basal cells (small arrow) are similar but have less cytoplasm. Many cells have abundant pale-yellow staining glycogen, a characteristic but nonspecific feature of squamous cells of pregnancy and the postpartum period.

305
Q
A

Parabasal Cells (postmenopausal smear). (A) Atrophic epithelium is composed almost exclusively of parabasal cells, often arranged in broad, flowing sheets.

306
Q
A

Figure 01-06B. Parabasal Cells (postmenopausal smear). (B) Transitional cell metaplasia. In this uncommon condition, the atrophic epithelium resembles transitional cell epithelium by virtue of its longitudinal nuclear grooves. Nuclear membrane irregularities raise the possibility of a high-grade squamous intraepithelial lesion, but the chromatin is pale and finely textured.

307
Q
A

Figure 01-07A. Parabasal Cells (postmenopausal smear). (A) Degenerated parabasal cells in atrophic Pap test results have hypereosinophilic cytoplasm and a pyknotic nucleus. Note the granular background, which is commonly seen.

308
Q
A

Figure 01-07B. Parabasal Cells (postmenopausal smear). (B) Dark blue blobs are seen in some atrophic smears. These featureless structures should not be interpreted as a significant abnormality.

309
Q
A

Figure 01-08. Squamous Metaplasia. Interlocking parabasal-type cells, as seen here, represent squamous metaplasia.

310
Q
A

Figure 01-09A. Keratosis. (A) Hyperkeratosis. Anucleate squames are a protective response of the squamous epithelium.

311
Q
A

Figure 01-09A. (B) Parakeratosis. Parakeratosis appears as plaques, as seen here, or isolated cells.

312
Q
A

Figure 01-10A. Endocervical Cells. (A) Normal endocervical cells are often arranged in cohesive sheets. Note the even spacing of the nuclei, their pale, finely granular chromatin, and the honeycomb appearance imparted by the sharp cell membranes.

313
Q
A

Figure 01-10A. Endocervical Cells. (B) Sometimes they appear as strips or isolated cells. Abundant intracytoplasmic mucin results in a cup-shaped nucleus.

314
Q
A

Figure 01-11. Tubal Metaplasia. Ciliated endocervical cells are occasionally seen.

315
Q
A

Figure 01-12A. Endometrial Cells. (A) Spontaneously exfoliated endometrial cells, as in menses, are small cells arranged in balls. Cytoplasm is scant. Nuclei around the perimeter appear to be wrapping around adjacent cells (arrow), a characteristic but nonspecific feature.

316
Q
A

Figure 01-12A. Endometrial Cells. (B) Some exfoliated endometrial cells have a double-contoured appearance and resemble a sombrero. The inner, dense core consists of endometrial stromal cells and the outer rim of endometrial glandular cells.

317
Q
A

Figure 01-13A. Mimics of Exfoliated Endometrial Cells. (A) High-grade squamous intraepithelial lesion (HSIL). The cells of some HSILs are small, but still larger than endometrial cells and usually arranged in flatter aggregates rather than spheres.

318
Q
A

Figure 01-13B. Mimics of Exfoliated Endometrial Cells. (B) Squamous cell carcinoma (SQC). Some poorly differentiated SQCs are indistinguishable from endometrial cells. The granular debris (“tumor diathesis”) is more prominent than in most normal menstrual Pap test results.

319
Q
A

Figure 01-13C. Mimics of Exfoliated Endometrial Cells. (C) Adenocarcinoma in situ (AIS). Some cases of AIS have an endometrioid appearance, but mitoses (arrows) are distinctly uncommon in exfoliated endometrial cells.

320
Q
A

Figure 01-13C. Mimics of Exfoliated Endometrial Cells. (D) Small cell carcinoma. The cells resemble endometrial cells but are even darker. There is nuclear smearing, which is not characteristic of benign endometrial cells.

321
Q
A

Figure 01-14A. Endometrial Cells, Directly Sampled. (A) An intact endometrial tubule is surrounded by well-preserved endometrial stromal cells.

322
Q
A

Figure 01-14B. Endometrial Cells, Directly Sampled. (B) Benign stromal cells are elongated and mitotically active (arrow) and might suggest a high-grade squamous intraepithelial lesion or malignancy. The pale, finely granular chromatin and the association with intact endometrial glands are clues to a benign interpretation.

323
Q
A

Figure 01-14C. Endometrial Cells, Directly Sampled. (C) The glandular cells are crowded and mitotically active (arrow), but evenly spaced.

324
Q
A

Figure 01-15. Syncytiotrophoblast. The nuclei of these multinucleated cells are dark and coarsely granular, unlike those of histiocytes.

325
Q
A

Figure 01-16A. Follicular Cervicitis. (A) This smear from a 61-year-old woman contains numerous lymphocytes in various stages of maturation, including an occasional plasma cell (arrow). Most normal lymphocytes have a round nuclear contour, unlike the cells of a high-grade squamous intraepithelial lesion, to which they bear a superficial resemblance.

326
Q
A

Figure 01-16B. Follicular Cervicitis. (B) Lymphocytes are also a mimic of exfoliated endometrial cells. They are roughly the same size or a bit smaller, more heterogeneous in size, and less tightly clustered than most endometrial cells.

327
Q
A

Figure 01-17. Histiocytes. Histiocytes have abundant multivacuolated cytoplasm and an oval, occasionally folded nucleus.

328
Q
A

Figure 01-18. Lactobacilli. These bacteria are part of the normal flora of the vagina. Note the bare nuclei of the intermediate cells, which are subject to cytolysis by these organisms.

329
Q
A

Figure 01-19A. Artifacts and Contaminants. (A) “Cornflaking.” This refractile brown artifact results from bubbles of air trapped on superficial squamous cells, resulting in obscuring of the nuclei. It can be reversed by returning the slide through xylene and alcohol to water, then restaining and recoverslipping.

330
Q
A

Figure 01-19B. Artifacts and Contaminants. (B) Lubricant artifact. In this example, the lubricant is purple and has a granular, thread-like appearance. Depending on the formulation, it may be purple or red, and sometimes it has a denser, sheet-like appearance.

331
Q
A

Figure 01-19C. Artifacts and Contaminants. (C) “String of pearls.”

332
Q
A

Figure 01-19D. Artifacts and Contaminants. (D) “Cockleburs.” This is the name given to radiating arrays of club-shaped orange bodies composed of lipid, glycoprotein, and calcium, surrounded by histiocytes. They are most commonly associated with, but not limited to, pregnant patients. They have no clinical significance.

333
Q
A

Figure 01-19E. Artifacts and Contaminants. (E) Trichome. These large star-shaped structures are derived from plants. They stain a pale yellow and have from three to eight legs. Trichomes are produced by many different plants and vary in color, size, and shape.

334
Q
A

Figure 01-19F. Artifacts and Contaminants. (F) Carpet beetle parts. These arrow-shaped structures are contaminants from sources such as gauze pads and tampons.

335
Q
A

Figure 01-20. Shift in Flora Suggestive of Bacterial Vaginosis. Numerous small bacteria cover large portions of the slide. In some but not all cases, these bacteria adhere to squamous cells (“clue cells”), giving them the appearance of a shag rug, as seen here. Lactobacilli are absent.

336
Q
A

Figure 01-21A. Trichomonas Vaginalis. (A) This organism is pear-shaped, with a pale oval nucleus and red cytoplasmic granules, often inconspicuous. The flagellum, barely seen here, is usually inapparent (SurePath preparation, image courtesy Keith V. Nance, MD, UNC Rex Healthcare, Raleigh, NC).

337
Q
A

Figure 01-21B. Trichomonas Vaginalis. (B) “Trich picnic.” Numerous faintly visible organisms are aggregated, in this example on a platform of squamous cells.

338
Q
A

Figure 01-22. Candida. Pseudohyphae and yeast forms, some of them budding from pseudohyphae, are seen. Note the skewered squamous cells.

339
Q
A

Figure 01-23. Actinomyces Spp. These bacterial colonies resemble dark cotton balls. The organisms are filamentous, shown here protruding from the mass of bacteria.

340
Q
A

Figure 01-24A. Viral Cytopathic Changes. (A) Herpes simplex. The nuclei of infected cells are filled with viral particles, which impart a pale, homogeneous appearance. Nuclear chromatin is visible only at the periphery of some nuclei. Some have a well-defined eosinophilic intranuclear inclusion.

341
Q
A

Figure 01-24B. Viral Cytopathic Changes. (B) Cytomegalovirus. Each cell has a large basophilic intranuclear inclusion that is surrounded by a halo; the cytoplasm contains multiple small basophilic inclusions as well. This patient was immunocompetent and symptom free, and the inclusions were identified in only a few cells.

342
Q
A

Figure 01-25A. Benign Squamous Cell Changes. (A) “PM cells.” Nuclear enlargement, with little in the way of nuclear membrane irregularity or hyperchromasia, is a common finding in intermediate squamous cells from perimenopausal women. Such bland nuclear enlargement should not be mistaken for a significant atypia.

343
Q
A

Figure 01-25B. Benign Squamous Cell Changes. (B) A similar bland nuclear enlargement can occur in squamous metaplastic cells.

344
Q
A

Figure 01-26A. Nonspecific Halos. (A) Small halos around the nuclei of squamous cells are nonspecific and do not represent human papillomavirus-related changes.

345
Q
A

Figure 01-26B. Nonspecific Halos. (B) Some normal squamous cells have abundant glycogen that mimics koilocytosis. Note the normal nucleus.

346
Q
A

Figure 01-27A. Reactive Endocervical Cells. (A) A common finding, reactive endocervical cells are enlarged and have a prominent nucleolus. (B) Isolated cells can be as big as mature squamous cells and mimic a low-grade squamous intraepithelial lesion (LSIL), but a prominent nucleolus is uncharacteristic of an LSIL.

347
Q
A

Figure 01-27B. Reactive Endocervical Cells. (B) Isolated cells can be as big as mature squamous cells and mimic a low-grade squamous intraepithelial lesion (LSIL), but a prominent nucleolus is uncharacteristic of an LSIL.

348
Q
A

Figure 01-28. Reactive Endocervical Cells (microglandular hyperplasia). These cells are enlarged and have a prominent large cytoplasmic vacuole.

349
Q
A

Figure 01-29. Typical Repair. Reparative epithelium is cohesive and arranged in a monolayered, streaming sheet.

350
Q
A

Figure 01-30A. Treatment Effect. (A) Radiation effect. Radiation looks like a wild reparative reaction, with very large cells, multinucleation, cytoplasmic vacuolization, and a curious “two-tone” (pink and blue) cytoplasmic staining pattern.

351
Q
A

Figure 01-30B. Treatment Effect. (B) Chemotherapy effect. Similar changes are seen with some cytotoxic drugs. This patient received busulfan after a stem cell transplant for leukemia.

352
Q
A

Figure 01-31. Intrauterine Device (IUD) Effect. The two types of cells are seen here: a vacuolated cell and a small dark cell with scant cytoplasm. This combination is characteristic of IUD effect.

353
Q
A

Figure 01-32. Glandular Cells Status Post Hysterectomy. The squamous mucosa of the vagina has undergone focal mucinous metaplasia.

354
Q
A

Figure 01-33A. Endometriosis of the Cervix. (A) The dark and pseudostratified nuclei of endometrial-type epithelium mimic endocervical neoplasia.

355
Q
A

Figure 01-35A. Low-Grade Squamous Intraepithelial Lesions (LSIL). (A) LSIL. Classic koilocytes, as seen here, have a large cytoplasmic cavity with a sharply defined inner edge and are frequently binucleated. Nuclear enlargement may not be as marked as in the nonkoilocytic LSILs.

356
Q
A

Figure 01-35B. Low-Grade Squamous Intraepithelial Lesions (LSIL). (B) Nonkoilocytic LSIL. Nuclei are significantly enlarged and show hyperchromasia and nuclear contour irregularity. No definite koilocytes are seen. This pattern was once called mild dysplasia or CIN 1.

357
Q
A

Figure 01-36. Low-Grade Squamous Intraepithelial Lesion, Keratinizing Type. A squamous pearl is being formed.

358
Q
A

Figure 01-37A. High-Grade Squamous Intraepithelial Lesion (HSIL). (A) These cells have scant cytoplasm and a markedly hyperchromatic nucleus with highly irregular nuclear contours.

359
Q
A

Figure 01-37B. High-Grade Squamous Intraepithelial Lesion (HSIL). (B) Cells with a moderate amount of cytoplasm, formerly called moderate dysplasia or CIN 2, are included in the HSIL category.

360
Q
A

Figure 01-38. High-Grade Squamous Intraepithelial Lesion (HSIL). The cells of an HSIL are often arranged in dark, three-­dimensional groups in which individual cell borders are indistinct (syncytium-like).

361
Q
A

Figure 01-39. High-Grade Squamous Intraepithelial Lesion (HSIL). Some HSILs are comprised of very small, dispersed, highly atypical cells. The nucleus of these small cells is not much larger than that of normal intermediate cells. They are nevertheless identified as abnormal because of their hyperchromasia, markedly irregular nuclear outline, or both. Some HSIL cells have cytoplasmic vacuoles. These do not indicate a glandular lesion.

362
Q
A

Figure 01-40. High-Grade Squamous Intraepithelial Lesion (HSIL). The cells of some HSILs have an elongated configuration that makes them look columnar. In the absence of strips, rosettes, or feathering, this should not be taken for evidence of glandular differentiation (i.e., an adenocarcinoma in situ).

363
Q
A

Figure 01-41. High-Grade Squamous Intraepithelial Lesion (HSIL), Keratinizing Type. Although the cells show differentiation by keratinizing, they are classified as HSIL if the nuclei are sufficiently abnormal.

364
Q
A

Figure 01-42A. Endocervical Polyp Atypia Mimicking HSIL. (A) The slide contains scattered isolated cells with dark nuclei.

365
Q
A

Figure 01-43A. HSIL vs AIS (besoin d’un bloc cellulaire). (A) The distinction between a squamous and glandular lesion can be problematic, especially when individual cells in dark cell clusters are poorly visualized. .

366
Q
A

Figure 01-44A. Squamous Intraepithelial Lesion, Cannot Determine Grade. When a lesion is extensively keratinized and there is no definite high-grade squamous intraepithelial lesion, it is difficult to grade. Colposcopically directed biopsies showed CIN1

367
Q
A

Figure 01-44B. Squamous Intraepithelial Lesion, Cannot Determine Grade. When a lesion is extensively keratinized and there is no definite high-grade squamous intraepithelial lesion, it is difficult to grade. Colposcopically directed biopsies showed CIN2,3.

368
Q
A

Figure 01-45. Squamous Cell Carcinoma. Slides from deeply invasive tumors show abundant tumor diathesis, a granular precipitate of lysed blood and cell fragments. In some cases, the malignant cells can be hard to identify.

369
Q
A

Figure 01-46. Squamous Cell Carcinoma (SQC), Non-Keratinizing. The malignant cells have irregularly distributed chromatin and a prominent nucleolus, characteristic features of invasive SQCs.

370
Q
A

Figure 01-47. Squamous Cell Carcinoma (SQC), Nonkeratinizing. The sheet-like arrangement of poorly differentiated squamous carcinoma cells with nucleoli and mitoses mimics the appearance of reparative epithelium, but the crowding and haphazard arrangement of the cells are not typical of repair.

371
Q
A

Figure 01-48A. Squamous Cell Carcinoma, Keratinizing. (A) In keratinizing carcinomas, the cells have markedly aberrant shapes, as seen here. “Fiber cells” are numerous.

372
Q
A

Figure 01-48B. Squamous Cell Carcinoma, Keratinizing. (B) Tumor diathesis and a tadpole cell are seen in this tumor.

373
Q
A

Figure 01-49A. Atypical Squamous Cells of Undetermined Significance (ASC-US). (A) The nucleus of this mature squamous cell is significantly enlarged and there is moderate hyperchromasia. Cells like this, particularly if few in number, are suggestive but not diagnostic of a squamous intraepithelial lesion.

374
Q
A

Figure 01-49B. Atypical Squamous Cells of Undetermined Significance (ASC-US). (B) Some cells have large cytoplasmic cavities but minimal nuclear atypia. It is preferable to diagnose such cases as ASC-US when abnormal cells are few and the changes minimal.

375
Q
A

Figure 01-50A. Atypical Squamous Cells of Undetermined Significance, Associated with Atrophy. (A) Histologic section of benign atrophy-associated atypia.

376
Q
A

Figure 01-50B. Atypical Squamous Cells of Undetermined Significance, Associated with Atrophy. (B) A cytologic smear shows occasional markedly enlarged, hyperchromatic nuclei.

377
Q
A

Figure 01-51. Atypical Squamous Cells of Undetermined Significance, with Features of Atypical Parakeratosis. Small, keratinized squamous cells with mild variation in nuclear size and contour may represent either a reactive process or a significant squamous lesion.

378
Q
A

Figure 01-52. Atypical Squamous Cells of Undetermined Significance, Atypical Repair Reaction. In some cases of repair there is such striking nuclear atypia that an invasive cancer cannot be excluded. The flat, sheet-like arrangement with nuclear separation, the finely textured chromatin, and the prominent streaming appearance are more typical of benign repair rather than cancer.

379
Q
A

Figure 01-53. Atypical Squamous Cells, Cannot Exclude High-Grade Squamous Intraepithelial Lesion (HSIL). These metaplastic-like cells show significant nuclear membrane irregularity. There is no hyperchromasia or nuclear size variation, however, which makes the diagnosis of HSIL uncertain.

380
Q
A

Figure 01-54A. Atypical Squamous Cells, Cannot Exclude High-Grade Squamous Intraepithelial Lesion (HSIL). (A) Immature squamous metaplastic cells sometimes show some nuclear atypia, which raises the possibility of Hsil, but the degree of nuclear enlargement, hyperchromasia, and membrane irregularity is insufficient for a definite diagnosis.

381
Q
A

Figure 01-55A. Adenocarcinoma in Situ (AIS). (A) At first glance, some groups of neoplastic cells resemble the hyperchromatic crowded groups of a high-grade squamous intraepithelial lesion. Only slight feathering is seen (arrows).

382
Q
A

Figure 01-55B. Adenocarcinoma in Situ (AIS). (B) The columnar features are subtle with liquid-based preparations.

383
Q
A

Figure 01-55C. Adenocarcinoma in Situ (AIS). (C) A picket-fence arrangement is indicative of glandular differentiation.

384
Q
A

Figure 01-56A. Adenocarcinoma in Situ (AIS). (A) Rosettes are highly characteristic of AIS and virtually never seen with high-grade squamous intraepithelial lesion, benign endocervical cells, or lower uterine segment (LUS) or endometrial epithelium.

385
Q
A

Figure 01-56B. Adenocarcinoma in Situ (AIS). (B) The endocervical glandular nature of these neoplastic cells is betrayed by “feathering.”

386
Q
A

Figure 01-57A. (A) Endocervical AIS. Cells are columnar in shape, dark, crowded, and arranged in a curved strip.

387
Q
A

Figure 01-57C. (C) Tubal metaplasia. Atypical glandular cells bear a resemblance to those of AIS except that cilia are identified.

388
Q
A

Figure 01-58A. Endocervical Adenocarcinoma. (A) The cells are round rather than elongated as in adenocarcinoma in situ. They are crowded and hyperchromatic, and a tumor diathesis is present. Tumor diathesis on liquid-based preparations appears as clumps and as a granular ring around groups of malignant cells (“clinging diathesis”).

389
Q
A

Figure 01-58B. Endocervical Adenocarcinoma. (B) High magnification reveals nuclear crowding and very large nucleoli.

390
Q
A

Figure 01-59A. (A) Endocervical adenocarcinoma, well-differentiated. The cells are enlarged and crowded, but the features are not conclusive for malignancy (note the absence of tumor diathesis). A diagnosis of atypical glandular cells was made.

391
Q
A

Figure 01-59C. AGC (C) Reactive endocervical cells.

392
Q
A

Figure 01-60. Endocervical Adenocarcinoma. These malignant cells show variation in nuclear size, with very prominent nucleoli and coarsely granular chromatin.

393
Q
A

Figure 01-61A. Minimal Deviation Adenocarcinoma. (A) The cells are sometimes impossible to distinguish from normal endocervical cells, as in this case.

394
Q
A

Figure 01-63A. Endometrial adenocarcinoma. (A) “Bag of polys” cells have a large cytoplasmic vacuole filled with neutrophils, often obscuring the nuclear detail of the neoplastic cell.

395
Q
A

Figure 01-63C. Inflamed endocervical polyp. (C) The large vacuolated cells are associated with neutrophils, just like the cells of endometrial adenocarcinoma.

396
Q
A

Figure 01-64A. Atypical Glandular Cells. (A) Atypical endocervical cells. These cells are columnar and clearly of endocervical origin but crowded and hyperchromatic. Although mitoses were not seen, the case was reported as “atypical endocervical cells, favor neoplastic.”

397
Q
A

Figure 01-64B. Atypical Glandular Cells. (B) Atypical endometrial cells. These cells have enlarged nuclei with slightly irregular contours and some infiltration by neutrophils.

398
Q
A

Figure 01-65. Small Cell Neuroendocrine Carcinoma of the Cervix. The malignant cells have dark nuclei and scant cytoplasm.

399
Q
A

Figure 01-66. Malignant Melanoma of the Vagina. The malignant spindled and epithelioid cells are noncohesive. There is focal finely granular melanin pigment (arrow).

400
Q
A

Figure 01-67. Psammoma Bodies. These calcific spheres are dark blue or purple and have concentric laminations. They are often fractured, as seen here. These psammoma bodies originated from a borderline serous tumor of the ovary. When cells from ovarian or tubal neoplasms travel through the endometrial cavity, they can be seen on cervical or vaginal Pap samples.

401
Q

Femme de >45 ans

A

Figure 01-68. Endometrial Cells in a Woman Older Than 45 Years of Age. These cells are indistinguishable from menstrual endometrial cells (see Fig. 1.12A).

402
Q
A

Figure 01-69. Bare Squamous Cell Nuclei. They are about the size of endometrial cells and sometimes aggregate. Cells that lack cytoplasm should not be interpreted as endometrial cells.