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Gallbladder adenomyomatosis: findings on MRI
1Department of Diagnostic Radiology, Research Institute of Radiological Science, Yonsei University College of Medicine, Seodaemun-ku Shinchon-dong 134, Seoul, Republic of Korea.
Background:
To describe the characteristic magnetic resonance imaging (MRI) findings of gallbladder adenomyomatosis in two cases.
Methods:
Two patients had abdominal MRI findings of gallbladder adenomyomatosis confirmed at cholecystectomy.
Results:
The surgical specimen showed findings typical of adenomyomatosis, including marked thickening of both epithelial and muscular elements with multiple Rokitansky-Aschoff sinuses. On gadolinium-enhanced spoiled gradient-echo images and single-shot fast spin-echo images, mild gallbladder wall thickening with multiple intramural cystic components from Rokitansky-Aschoff sinuses were readily visualized.
Conclusion:
Adenomyomatosis of the gallbladder can be detected and diagnosed from MRI findings.