1
Q
Bowel cancer
A
Bowel cancer
2
Q
Rectal cancer
A
Rectal cancer
3
Q
C. dif
A
C. dif
4
Q
Sig volv
A
Sig volv
5
Q
Pseudo-obstruction
A
Pseudo-obstruction
6
Q
Anal fissure
A
Anal fissure
7
Q
AIN
A
8
Q
Anal SCC
A
Anal SCC
9
Q
UC
A
Distribution
- Always rectum involved unless on anti-inflammatory enemas
- No skin lesions
- “Backwash” ileitis possible if ileocaecal junction involved.
Micro
- Mucosal inflammation
- Goblet cell depletion
- Crypt of Lieberkuhn distortion
- Vascular congestion
- Branching crypts
10
Q
Extra-colonic manifestations of UC
A
Respond to colectomy:
- Peripheral arthropathy (present in 20%)
- Erythema nodosum (present in 10-20%)
- Iritis
Do not respond to colectomy:
- Pyoderma gangrenosum (present in 1-10%)
- Axial athropathy (present in 5%)
- PSC (present in 5%)
- Uveitis
- Episcleritis (most common eye disease)
11
Q
Crohns
A
Crohns
12
Q
Anal fistula
A
Anal fistula
13
Q
Haemorrhoids
A
Haemorrhoids
14
Q
Appendicitis
A
Appendicitis
15
Q
Appendiceal neoplasm
A
Appendiceal neoplasm
16
Q
Pseudomyoma peritonei
A
Pseudomyoma peritonei
17
Q
Diverticular disease
A
Diverticular disease
18
Q
Perianal warts
A
Perianal warts
19
Q
HNPCC tumour features
A
Proximal colon Multiple tumours Mucinous Poorly differentiated Signet-ring
FRACS Pathophys
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