Colorectal Cancer Flashcards Preview

GI Exam 2 > Colorectal Cancer > Flashcards

Flashcards in Colorectal Cancer Deck (14):
1

Anemic looking patient with classic colon cancer signs - CBC done - what is the next steP?

colonoscopy

2

Development of colorectal cancer process

multistep process - activation of oncogenes and loss of tumor suppressors (4 hit hypothesis)

3

**Whcih genes and order lost to develop colorectal cancer?

**APC, K-ras, DCC, p53

4

Most common polyp type?

tubular adenoma

5

Age of onset for:
FAP
-HNPCC
-FAS

-EARLY-
EARLY
-LATE

6

Number of adenomas:
FAP
-HNPCC
-FAS

>100 - <10 - 0-100

7

Adenoma distribution
for:
FAP
HNPCC
FAS

-LEFT or total
-MAINLY RIGHT SIDE
-MAINLY RIGHT SIDE

8

Cancer distribution for adenomas
FAP
HNPCC
FAS

random
mainly right side
mainly right side

9

Other associated cancers:
FAP
HNPCC
FAS

periampullary
endometrial
periampullary

10

TNM classification:

0=high grade dysplasia
1=beginning to work through the wall - mucosa submucosa
2=through GI wall but NO LN
3=through entire GI wall and INTO LN
4= mets into other organs - liver, lungs

11

HNPCC - signs symptom age

early age
multifocal
high grade often in right colon

12

Is UC or CD higher risk for CRC?

UC has highe rrisk

13

Adenocarcinoma presentation on CT?

apple core - constricting

14

40 yo Patient is hypochromic and has microcytic anemia -diagnosis?

colon cancer until proven otherwise