Ch. 33 Anal Cancer PP Flashcards Preview

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Flashcards in Ch. 33 Anal Cancer PP Deck (12)
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1

who has higher risk for anal cancer? (men or women)

women

2

risk factors (5)

genital warts
genital infections
anal intercourse
HPV
smoking

3

Anus has _____________ up to the dentate or pectinate line then becomes _______ as it transitions into __________ in the rectum

stratified squamous epithelium

cuboidal

columnar epithelium

4

nodal groups at risk intially

perirectal and anorectal lymph nodes

5

nodal groups at risk if past the dentate line

internal iliac and lateral sacral nodes

6

nodal group at risk if below the dentate line

inguinal nodes

7

most common histologic type

SCC

8

2nd most commmon histologic type

basaloid (clacogenic)

9

most common route of spread

direct extension

10

routes of spread

direct extension
lymphatics
blood

11

what is the OAR

small bowel

12

for advanced cancer what are the other OAR

femoral heads
genitalia/perineum
bladder