Adenomyomatosis of the gallbladder: fundal localized type

Case contributed by Dr Domenico Nicoletti


Swelling palpable in the right upper quadrant. Normal inflammatory markers.

Patient Data

Age: 55
Gender: Female

Adjacent the bottom of the gallbladder is visible oval (4 cm) hypoechoic inhomogeneous lesion.

Gallbladder with thin walls without lithiasis. 

CT confirms heterogeneously enhancing lesion of 4 cm closely adjacent the bottom of the gallbladder with cystic areas in the context.

Case Discussion

Surgery and histopathological examination confirmed adenomyomatosis gallbladder and ruled out gall bladder carcinoma.

Adenomyoma is a benign lesion, is a process of hyperplastic nature that affects all layers of the gallbladder wall, especially the mucous and muscular layers. The localized form at the bottom of the gallbladder gives the appearance of "phrygian cap".


  • Dr.ssa Eleonora Renzi
  • Dr.ssa Lucia Braccaioli
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Case information

rID: 39148
Published: 22nd Aug 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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