Radiology Session #4 Flashcards
How do abcesses appear on CT?
fluid with bright border/capsule
VAlves of Kerkring looks how?
in small bowel and is circumferential
How does air in a peritoneal perforation look like in x-ray when supine?
air floats to top, get accentuated small bowel borders
How much cm until considered dilated for small, large, cecum?
3cm - small bowel
6cm -large bowel
9cm - cecum
causes of strictures in large bowel?
diverticulosis bowel ischaemia UC Cancer - adenocarcinoma faecal impaction
recurrent inflammation in large bowel or long term vesico-colic fistula?
strictures
Air-fluid levels found in what condition?
small bowel obstruction
causes of small bowel obstruction
adhesions IBD - strictures tumours lymphoma incarcerated hernias
Crohn’s usually affect what area?
terminal ilieum
volvulus
sigmoid folds over on itself, massive obstruction of air etc.