Imaging the GI Tract and GI Diseases

Question 1

cholecystitis/biliary colic

Answer 1

first line investigations =
ultrasound

further clarification =
MRCP &/or ERCP

Question 2

pancreatitis

Answer 2

elevated serum amylase
don’t need radiology

imaging is used to evaluate complications

Question 3

perforation

Answer 3

first line investigation = ERECT CXR
free subphrenic gas

CT may help delineate source & show further features such as intra-peritoneal collections

Question 4

appendicitis

Answer 4

first line investigations = ultrasound (only in children and young adults)

Question 5

diverticulitis

Answer 5

investigation = CT

Question 6

other causes for abdominal pain

Answer 6

urological

vascular - sudden, radiates to back

Question 7

distended abdomen

Answer 7

BOWEL SOURCE
first line investigations =
AXR

FLUID SOURCE
first line investigations = ultrasound

Question 8

haematemesis

Answer 8

first line investigation = endoscopy

CT with IV contrast
no oral contrast
±angiography and intervention

Question 9

dysphagia

Answer 9

first line investigation = endoscopy

Question 10

change in bowel habit

Answer 10

PR examination essential

radiology investigations = CT virtual colongraphy and barium enema

Question 11

IBD

Answer 11

first line investigation = endoscopy

MRI in known crohns

Question 12

jaundice

Answer 12

purpose of radiological investigation is to determine HEPATIC vs POST-HEPATIC causes

first line investigations = ultrasound

further investigations =
MRCP +/- ERCP