Colon, Rectum and Anus Flashcards Preview

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Flashcards in Colon, Rectum and Anus Deck (20):
1

25 cm scope

proctoscope

2

60 cm scope

sigmoidscope

3

true or false: standard CT scan is sensitive for detection of intraluminal lesions

false

4

imaging for evaluation of pelvic sidewall

MRI

5

most common type of polyp
A. hyperplastic
B. inflammatory
C. hamartoma
D. neoplastic

hyperplastic polyp

6

GI polyposis + alopecia + cutaneous pigmentation + atrophy of fingernails and toenails

Cronkite-Canada syndrome

7

facial trichilemmomas + breast cancer + thyroid cancer + GI polyps

Cowden syndrome

8

most common type of neoplastic polyps

tubular adenomas

9

neoplastic polyps with highest risk of cancer

villous adenoma

10

transforms normal epithelium to dysplastic epithelium

APC

11

transforms adenoma to carcinoma

p53

12

FAP: mandibular osteomas

Garnder's syndrome

13

FAP: CNS tumors

Turcot's syndrome

14

Screening for HNPCC

yearly
beginning at either age 20 or 25 years or 10 years than the youngest age at diagnosis in the family, whichever comes first

15

Screening for familial colorectal cancer

every 5 years
beginning at age 40 years or beginning 10 years before the age of the earliest diagnosed patient in in the pedigree

16

cut-off for APR

< 5 cm from anal verge

17

diagnosis of carcinoid

24-hour 5-HIAA collection

18

Most common fistual-in-ano

Intersphincteric

19

Which of the following is important in maintaining the integrity of the colonic mucosa?
A. short-chain fatty acids
B. alanine
C. medium-chain fatty acids
D. glutamine

short-chain fatty acids

20

True or false: anal epidermoid carcinoma is treated primarily with surgery

chemoradiation