Gallbladder adenomyomatosis

Case contributed by Ammar Haouimi
Diagnosis almost certain


Right upper quadrant pain.

Patient Data

Age: 55 years
Gender: Female

Moderate thickening of the gallbladder wall with a comet-tail artifact arising from the gallbladder wall. No gallstones are seen.

Case Discussion

Comet-tail artifact or comet tail reverberation artifacts are highly specific for adenomyomatosis, representing the unique acoustic signature of cholesterol crystals within the lumina of Rokitansky-Aschoff sinuses.

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