CM 9- colon Flashcards

(11 cards)

1
Q

Où se termine les tenias (coalesce ce des tenias)

A

Jonction colo rectale

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2
Q

Dans quelle couche se trouvent les cellulea anormales vs cancer colon

A

Cellules anormales : muqueuse
Cancer : à partir de muscularis mucosa/sous muqueuse (passent la membrane basale)

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3
Q

Difference entre diverticulite simple vs compliqueee

A

Simple (inflammation) vs compliquée (infection)

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4
Q

Indication de chx pour diverticulite

A

Non compliquee : attendre 2e crise

Compliquee: chx ou drainage si abces

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5
Q

Quelle est la cause la plus frequente HDB ?

A

Maladie diverticulaire (40%)

Gros saignement autoresolutifs, avec recidives

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6
Q

3 causes d’obstruction du colon

A

Cancer
Volvulus
Diverticulite

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7
Q

*** 4 polypes non neo vs 3 polypes neo

A
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8
Q

Difference entre polypose adenomatejse familiale et HNPCC

A

Polypose adeno familiale : mutation APC

HNPCC(lynch): mutation gene de reparation adn 3-2-1
-3 parents atteints tumeurs
-2 generations successives
-1 cancer avant 50 ans

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9
Q

** 3 voies de formation cancer colorectal

A

Instabilite chromo 80% (apc, krass,dccsmad4,p53)

Instabilite microsatellite (mutation gene reparation, hnpcc, D plus que G)

Epigenetique/methylation (festonnés)

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10
Q

Depistage cancer colorectal quebec

A

Recherche sang oculte selles chaques
2 ans 50-75 ans

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11
Q

Facteur numero 1 de cancer colon

A

Age

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