Ch. 33 Anal Cancer PP Flashcards
who has higher risk for anal cancer? (men or women)
women
risk factors (5)
genital warts genital infections anal intercourse HPV smoking
Anus has _____________ up to the dentate or pectinate line then becomes _______ as it transitions into __________ in the rectum
stratified squamous epithelium
cuboidal
columnar epithelium
nodal groups at risk intially
perirectal and anorectal lymph nodes
nodal groups at risk if past the dentate line
internal iliac and lateral sacral nodes
nodal group at risk if below the dentate line
inguinal nodes
most common histologic type
SCC
2nd most commmon histologic type
basaloid (clacogenic)
most common route of spread
direct extension
routes of spread
direct extension
lymphatics
blood
what is the OAR
small bowel
for advanced cancer what are the other OAR
femoral heads
genitalia/perineum
bladder