Tumori benigne Flashcards

1
Q

fibroadenomul mamar- definitie

A

tumora beningna a glandei mamare ce afecteaza cel mai frecvent femeile in perioada de activitate genitala ( apare foarte rar la barbati)

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2
Q

fibroadenomul mamar- macro

A

tumora nodulara de consistenta crescuta, bine delimitata

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3
Q

fibroadenomul mamar- micro

A

proliferare bifazica care asociaza proliferarea ductelor si a stromei fibroase. se descriu 2 forme:
Fibroadenomul intracanalicular- prolifereaza mai mult epiteliul ductal formand ducte ramificate in coarne de cerb
Fibroadenomul pericanalicular- prolifereaza mai mult stroma fibroasa care izoleaza ducte mici rotunde

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4
Q

Leiomiofibromul uterin- def

A

tumora benigna a miometrului- tunima musculara a uterului

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5
Q

Leiomiofibromul uterin- macro

A

tumora nodulara, bine delimitata, de consistenta ferma, care herniaza pe suprafata de sectiune

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6
Q

Leiomiofibromul uterin- micro

A

alcatuit din fascicule de fibre musculare netede, alungite, mari, cu nuclei ovali, cu capete rotunjite, in trabuc

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7
Q

Papilomul- definitie

A

tumora benigna a epiteliilor pavimentoase stratificate

-localizat pe pele si mucoase

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8
Q

Papilomul-macro

A

dimensiuni de cativa mm pana la 1-2 cm

  • pedicula sau sesil
  • suprafaa neteda sau rugoasa
  • culoare asemanatoare epiteliului din care se dezvolta
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9
Q

Papilomul- micro

A

Epiteliu ingrosat

  • hiperplazia dermului subiacent
  • papilomatoza
  • acantoza ( ingrosarea stratului spinos)
  • hiperkeratoza ( ingrosarea straurilor granular si cornos)
  • ulcereaza si se suprainfecteaza
  • nu malignizeaza
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10
Q

polipul adenomatos- definitie

A

tumora benigna a epiteliilor de acoperire cilindrice; cel mai frecvent la nivelul mucoaselor organelor cavitare;
polipul este o masa tisulara ce protrude in lumenul intestinal

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11
Q

polipul adenomatos- macro

A

polipul tubular- aspect globulos, culoare rosie violacee, cca 1 cm, sesil sau pediculat, proemina in lumen

polip vilos are suprafata neregulata, biloasa mai deschisa decat cel tubular, diam in general de mai multi cm , de regula sesil

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12
Q

polipul adenomatos- micro

A

polipul tubular- celule epitealiale cu dispozitie tubulara, pediculul fiind acoperit de epiteliu cilindric

polipul vilos- proliferari papilare digitiforme formate din axe conjunctivo-vasculare subtiri acoperite de epiteliu cilindric

polipul tubulo-vilos- reuneste caracterele celor 2 tipuri precedente

CELULE INALTE, CU NUCLEI LA POLUL BAZAL, HIPERCROMI, CITOPLASMA BAZOFILA CU MICI PICATURI DE MUCUS

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