éruption cutanées, papules Flashcards

1
Q

macule?

A

< 1 cm

non palpable

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2
Q

tache?

A

> 1 cm

non palpable

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3
Q

papule?

A

< 1 cm

palpable

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4
Q

plaque?

A

> 1 cm

palpable

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5
Q

nodule?

A

lésion < 1 cm d’une profondeur significative

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6
Q

tumeur/masse?

A

lésion > 1 cm d’une profondeur significative

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7
Q

kyste?

A

lésion > 1 cm d’une profondeur significative qui contient du liquide

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8
Q

Télangiectasie?

A

vx superficiels dilatés

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9
Q

pustule?

A

lésion élevée, palpable contenant du pus

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10
Q

vésicule?

A

lésion élevée < 1 sm contenant du liquide séreux

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11
Q

Bulle?

A

lésion élevée > 1 cm contenant du liquide séreux

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12
Q

'’wheal’’

A

transient blanchable papule or plaque

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13
Q

agents communs responsable de réaction phototoxique?

A
AINS
quinolones
tetracyclines
amiodarone
phenothiazines
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14
Q

agents communs responsables de réaction photoallergique?

A
savon
fragrance (interaction possible des photoallergènes avec UVA)
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15
Q

localisation des zones phototoxique ou photoallergique?

A
visage
V neck
dos des mains
avant-bras
régions exposées au soleil
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16
Q

ssx réaction phototoxique?

A

'’coup de soleil exagéré’’
érythème, oedème
vésicules, bulles

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17
Q

ssx réaction photoallergique?

A

prurit

indistinguishable from allergique contact dermatitis

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18
Q

dx?
rash malaire (butterfly rash)
et/ou
diffuse erythema in photodistribution

A

LED

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19
Q

dx?
violaceous, periorbital heliotrope rash with edema
erythma of neck and upper trunk (shawl sign)
violaceous papules over knuckles (Gottron papules)

A

Dermatomyosite

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20
Q

dx?

abnormal follicualr keratinization, increased sebum secondary to androgens, propionibacterium acnes, inflammation

A

Acné vulgaire

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21
Q

conduite acné léger?

A

atb topique (clinda, érythro_
peroxide de benzoyl
rétinoide topique (tretinoin, adapalene, tazarotene)
acide salycilique

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22
Q

conduite acée mod%

A

tx acné léger (topique)
+
ATB po (minocycline,doxy, tetracycline)
CO, antiandrogène chez F

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23
Q

conduite acné sévère?

A

isotretinoin oral (accutane)

24
Q

conduite tinea versicolor?

A

selenium sulfide lotion

ketoconazole p.o.

25
Q

conduite vitiligo?

A

protection solaire
camouflage
repigmentation par UVB ou cortico topique ou immunomodulateur topique
depigementaton for extensive dz using topical depigmenting agents on normally pigmented skin

26
Q

distinction entre acné et rosacé?

A

rosacé: pas de comédons

27
Q

Que considérer lors de prescription isotretinoine?

A

contraception/pas de désir de grossesse

car risque tératogénicité +++

28
Q

[…] physical trauma to the skin causes a psoriasis plaque to form

A

phénomène de Koebner

29
Q
A

Auspitz sign (psoriasis)

30
Q

triggers rosacea?

A
hot beverages
spicy foods
alcohol
sun 
heat
31
Q

conduite rosacé?

A

topical metronidazole gel or cream
ATB po (minocycline, doxy, tetracycline)
laser pour telangiectasie ou rhinophyma

32
Q

dx?

chronic, recurrent inflammatory skin condition with abnormal epidermal differentiation and hyperproliferation

A

psoriasis

33
Q

site anato psoriasis?

A
coude
genou
cuir chevelu
ongles
pli interfessier
paumes
plantes de pied
34
Q

signe unguéal pso?

A

pitting,
oil drop
onycholyse
hyperkératose sousunguéale

35
Q

conduite pso?

A
lésion du corps:
cortico med-haut crème ou onguent
onguent calcipotriol
tar
anthralin
tazarotene gel ou crème
triamcinolone
phototx uvb, puva
rx systémique ( mtx, acitretin, cyclosporine, agents biologique)

lésions faciales:
cortico plus faible en crème ou onguent
tacrolimus en onguent/pimecrolimus en crème

lésion du cuir chevelu:
tar shampoo
cortico topique en lotion solution ou mousse
calcipotriol en solution
tazarotene gel
36
Q

dx?

acute or chronic inflammatory disorder affecting the skin, mucous membranes, and nails

A

lichen plan

37
Q

présence de Wickham striae suggère quel dx?

A

lichen plan

38
Q

conduite rx lichen plan?

A

cortico topique en crème

si étendu: agent systémique (acitretin, cyclosporine)

39
Q

conduite dermatite périorale?

A

metronidazole topique
érythromycine topique
ATB systémique (minocycline, doxycycline, tetracycline)

40
Q

lichen plan has been associated with […] although infrequently.

A

hépatite C

donc faire une sérologique hépatique si lichen plan

41
Q

% de surface corporelle dans SJS?

A

< 10 %

42
Q

% de surface corporelle dans SJS/TEN?

A

entre 10 et 30 %

43
Q

% de surface corporelle dans TEN?

A

> 30 %

44
Q

conduite pemphigoide bulleux?

A

cortico topique fort localisé

+/- pred ou MTZ azathiprine, mycophenolate mophetil

45
Q

conduite pemphigus vulgaire?

A

admission –> H ou centre de brulé
pred haute dose puis steroid sparing agent (en maintenant cortico) azathioprine, mycophenolate mofetil, methotrexate, cyclosphosphamide, IVIG
ATB si infection secondaire

46
Q

signe clinique de nécrose de l’épiderme?

A

Nikolsky sign:
rubbing the skin causes separation of epidermis and formation of a neur blister

Asboe-Hanson sign:
rubbing the lesion in the latera direction causes it to extend

47
Q

conduite herpès simplex?

A

support
antiviral po: réduit dlr, viral shedding, healing time si initié dans les premières 72h

pas antiviraux topique

48
Q

conduite herpès zoster?

A

support
*tx si sévère/disséminé

antiviral po: réduit dlr, viral shedding, healing time si initié dans les premières 72h

pas antiviraux topique

49
Q

conduite SJS/TEN?

A

cesser le rx en cause
tx support dont H USI/centre de brulé, ohptalmoATB si infection

IVIG = controversé

50
Q

rx en cause SJS/TEN?

A
carbamazépine
phénytoine
allopurinol
lamotrigine
AINS
sulfa

(anticonvulsivant
antidépresseur
AINS
ATB)

51
Q

néo ovaire, sein, GI et lymphome –> quel patho dermato associée?

A

DM –> néo associé dans 15% des cas

52
Q

[…] are used in the tx of severe poison ivy dermatitis that is widespread and severe for topical tx alone, especially if involving the face or genital region.

A

Systemic glucocortico

53
Q

tx acné chez femme enceinte?

A
#1 topique
si plus sévère: poou topique érythomycine ou clindamycine
54
Q

[…] is a clinical diagnosis which should be suspected in a child or young adult who develops a tear-drop shaped paupalr rash on the trunk and/or extremities, 2-3 weeks after a streptococcal infection.

A

Psoriasis en goutte

55
Q

Vrai ou faux:
Etanercept, a commonly used anti-TNF medicthat can be employed in the tx of pso, can put pt at increased risk for ingfection and reactivation of latetnt infections such as TB; therefore, a baseline chest XR and PPD skin test/Quantiferon test is necessary to assess for latent TB before commencing tx.

A

Vrai