Radiology of Liver, Pancreas, Gallbladder

Question 1

What does MRI actually look at?

Answer 1

Hydrogen protons..

Question 2

What’s an easy fluid to look at to tell if your looking at a T1 or T2 MRI?

Answer 2

CSF
T1: CSF is dark.
T2: CSF is bright.

Question 3

What other tissue/fluid do metastases in the liver look like?

Answer 3

Metastases look like spleen.

Question 4

What other tissue/fluid do hemangiomas/cysts in the liver look like?

Answer 4

Hemangiomas and cysts look like CSF.

Question 5

What is NASH?

Answer 5

Non-alcoholic Steatohepatitis.

It seems to be associated with obesity, but it’s at this point mysterious.

Question 6

What does opposed-phase T1 imaging of the liver help you see?

Answer 6

Fat.

Question 7

What does genetic hemochromatosis look like on MRI? (treatment?)

Answer 7

Very dark liver on T1.

Treatment = phlebotomy. - the one remaining indication for bloodletting.

Question 8

What’s a good MRI-related imaging tool to help you see gallstones?

Answer 8

MRCP

Question 9

What is a “double-duct” sign the pancreas suggestive of?

Answer 9

Pancreatic cancer.

Question 10

What’s ERCP?

Answer 10

Endoscopic Retrograde Cholangio-Pancreatography… good for looking for… stones and aberrations in ducts that can be indicative of cancer.