Adenomyomatosis of the gallbladder - fundal

Case contributed by Dr Bruno Di Muzio

Presentation

Incidental finding on scans performed for other reasons.

Patient Data

Age: 55 years
Gender: Female

Ultrasound of the abdomen

Ultrasound

Selected images of ultrasound show gallbladder fundal region wall thickening with no internal vascularity. The liver parenchyma around the gallbladder fossa has normal appearances. 

CT Abdomen and pelvis

CT

Typical features of gallbladder fundal adenomyomatosis. Simple hepatic cysts also noted. 

Typical features of gallbladder fundal adenomyomatosis. Simple hepatic cysts also noted. 

Case Discussion

Adenomyomatosis of the gallbladder is a hyperplastic cholecystosis of the gallbladder wall and a common and benign cause of diffuse or focal gallbladder wall thickening.

Three morphological types of adenomyomatosis are described:

  • fundal (localized) - this case 
  • segmental (annular)
  • generalized (diffuse)

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