Radiology Session #5 Flashcards
1
Q
causes of bright PR bleeding:
A
diverticular disease angiodysplasia Crohn's Anal fissures haemorrhoids
2
Q
CT angiogram can pick up bleeds at what speed?
A
> 1ml/min
3
Q
how to treat diverticular disease bleeding?
A
embolization
Surgery
4
Q
what to do to visualize bile duct in CT?
A
biliscopin to visualize the bile duct
5
Q
when can’t you use CTIV?
A
6
Q
how to treat gallstones?
A
ERCP
cholecystectomy
7
Q
stranding of the fat in CT indicates what?
A
inflammation, eg. in pancreatitis
8
Q
potential complications of pancreatitis?
A
pseudocyst/pseudo aneurysm massive bleeding from splenic artery erosion pancreatis necrosis pancreatic insufficiency peritonitis SIRS
9
Q
% of gallstones high density on CT?
A
99%
10
Q
definition of pseudo-cyst?
A
no epithelium
11
Q
painless jaundice indicative of?
A
pancreatic cancer
12
Q
cholelithiasis complications?
A
biliary colic
cholecystitis
13
Q
what to do before Abdo ultrasound to check gall bladder?
A
fasted for >6hours
14
Q
cholecystitis 3 signs on U/S
A
- U/S positive murphy’s, press on gall bladder
- wall thickening (>3mm)
- peri-cystic fluid
Can get acalculus cholecystitic or if necrotic: won’t be tender
