2. GI Radiology

Question 1

What is the five-step process for the interpretation of a CT?

Answer 1

1. Solid organs.
2. Gallbladder / Biliary tree.
3. Lymph nodes.
4. Duodenum, small intestine, colon, stomach.
5. Fat planes, abdominal wall, bones.

Question 2

What is Nutcracker syndrome?

Answer 2

Compression of the left renal vein between the superior mesenteric artery and the aorta.

Question 3

What is superior mesenteric artery syndrome?

Answer 3

Compression of the duodenum between the superior mesenteric artery and the aorta.

Question 4

What is importantly contraindicated in patients with Zenker’s diverticulum?

Answer 4

Endoscopy.

Question 5

What is this?

Answer 5

Zenker’s diverticulum.

Question 6

What is the typical clinical presentation for Zenker’s diverticulum?

Answer 6

The main symptoms are difficulty swallowing due to the diverticulum, a cough due to the pressure of the diverticulum, and halitosis, probably due to food getting stuck underneath or onto the diverticulum.

Question 7

What is ERCP for?

Answer 7

Visualization of the biliary tree

Question 8

What’s your diagnosis?

Answer 8

Achalasia

Question 9

Are you more likely to see reflux in a patient with a sliding hiatal hernia or a paraesophageal hiatal hernia?

Answer 9

Reflex is more common in sliding hiatal hernias.

Question 10

What is the leadpipe sign?

Answer 10

Loss of haustra in the large intestine, appearing like a lead pipe during barium enema.

Question 11

What is the modality of choice for diagnosing cholelithiasis in the US?

Answer 11

Ultrasonography.