Gallbladder adenomyomatosis

Case contributed by Dr Bruno Di Muzio

Presentation

Incidental finding.

Patient Data

Age: 57-year-old
Gender: Female

CT abdomen (selected images)

Modality: CT

Gallbladder demonstrates small calcified stones and focal wall thickening at its fundus. The remainder of the study is unremarkable. 

US Abdomen (selected images)

Modality: Ultrasound

Liver has normal sonographic appearances with no evidence of focal lesions. No intra or extrahepatic biliary dilatation, the common biliary duct measures up to 6 mm in calibre. Gallbladder demonstrates two small mobile stones within and an area of focal thickening of its wall in the region of the fundus; this area does not demonstrate increased vascularity and shows small irregular cystic areas and hyper echogenic foci. 

Case Discussion

This case illustrates a focal thickening of the gallbladder wall that demonstrates contrast enhancement on CT and tiny echogenic fociwithin the lumina of small cystic-like lesions on ultrasound (Rokitansky-Aschoff sinuses). These imaging features favour adenomyomatosis over the other differentials. 

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Case Information

rID: 48163
Case created: 22nd Sep 2016
Last edited: 28th Sep 2016
Tag: rmh
Inclusion in quiz mode: Included

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