Presentation
Referred for further assessment of a fundal mural thickening of the gallblader seen on ultrasound.
Patient Data
Age: 50 years
Gender: Female
From the case:
Adenomyomatosis of the gallbladder - fundal
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There is a localized mural thickening involving the fundal region of the gallblader containing multiple cystic spaces (Rokitansky–Aschoff sinuses) leading to the characteristic "pearl necklace sign".
From the case:
Adenomyomatosis of the gallbladder - fundal
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The ultrasound study shows a fundal mural thickening of the gallblader with some hyperechoic comet-tail artifacts.
Case Discussion
Localized adenomyomatosis of the gallblader (a.k.a focal adenomyomatosis) is the most common pattern and typically occurs at the fundus.
The comet-tail artifact seen on ultrasound is highly specific for adenomyomatosis.
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