Presentation
Right upper quadrant pain
Patient Data
Age: 50 years
Gender: Female
From the case:
Gallbladder adenomyomatosis
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Thickened gallbladder wall. Streaky echogenic lines from the anterior GB wall in keeping with comet-tail artifact. No gallstones.
Case Discussion
The comet-tail artifact is a type of ultrasound reverberation artifact caused by cholesterol crystals being trapped within Rokitansky-Aschoff sinuses in gallbladder adenomyomatosis.