Colorectal CA Flashcards
1
Q
Complics
A
Mets- liver the eg lung etc
Supraclavic LN- as thoracic duct to L SCV
2
Q
px
A
Anaemia Pain Diarr Urgency Tenesmus Wet wind Colic Constipation Change bowel habit Bleeding Emergency
3
Q
sites in order of prevalence
A
Sigmoid Caecum Ascending Rectum Transv Desc
4
Q
Tum pathol
A
Polypoidal eg R colon
Ulcerative
Annular
5
Q
dukes
A
A confined to muscula propria B through Mp C into LNs. C1 under 5 LN, C2 5 or more. D distant mets 5 year surv- A 94%, B76%, C32%
6
Q
Mx
A
Chemo, radio Hemicolectomy Rectum ant resection Abdomino perineal resection May need temp defunctioning stoma Surg can be curative Surg complics- anast leak,
7
Q
ix
A
Siggy and biop DRE EUA CT- fixity, upper lim, lat extent, staging MRI Endoanal US Liver scanning
8
Q
TNM staging
A
Rectal CA
9
Q
Anal CA
A
Younger pt, HPV infec, leading in stage (AIN)
RF- MSM, HIV, imm supp, kidn transpl
Chemo and radio effective
10
Q
polyps
A
Hyperplastic- excess norm tiss. Comm, not pre malig.
Adenomatous der from mucosa. can prog to CA. FAP autos domin, late phenpot dev, APC gene.
