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GI

Gallbladder Adenomyomatosis

History: 50 year old female with abdominal pain with an incidental finding.

Axial CT of the abdomen with oral and IV contrast shows focal thickening of the gallbladder wall (arrows).

Gallbladder Adenomyomatosis: Axial CT of the abdomen with oral and IV contrast shows focal thickening of the gallbladder wall (arrows).

Adenomyomatosis is focal gallbladder wall thickening secondary to hyperplastic smooth muscle proliferation and exaggeration of the Rokitansky-Aschoff sinuses. It is usually asymptomatic, incidental, and of little clinical importance. Cholecystectomy can be performed if patients are symptomatic.  The differential diagnosis includes adenomatous polyp, and much less likely in this case gallbladder carcinoma and chronic cholecystitis.

Read about the differential diagnosis of gallbladder wall thickening here.

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About radiologypics

I am a radiology physician from California, USA.

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