- Adenomyomatosis is a benign condition characterized by hyperplastic changes of unknown etiology involving the gallbladder wall and causing overgrowth of the mucosa, thickening of the muscular wall, and formation of intramural diverticula or sinus tracts termed Rokitansky Aschoff sinuses.
- Three types
a.generalised
b.segmental/annular
c.fundal
- Comet tail artefact due to cholesterol crystal in Rokitansky Ascoff sinuses is highly specific for Adenomyomatosis
- Rokitansky-Aschoff sinuses gives gives CT ROSARY SIGN
- Fuid filled intramural diverticula appear as pearl necklace sign on MRI
FUNDAL VARIETY OF ADENOMYOMATOSIS
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