CHORUS

Collaborative Hypertext of Radiology

Liver and biliary system

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adenomyomatosis of gallbladder

• increase in number and height of mucosal folds
• secondary to hyperplasia of mucosal and muscular elements
• Rokitansky-Aschoff sinuses (intramural diverticula)

• 5% of all cholecystecomies
• > 35 years; M:F = 1:3

• gallstones in 25-75%
• cholesterolosis in 33%

• "comet-tail" artifact seen by US - cholesterol crystals in RA sinses
• may have smooth sessile fundal mass in GB
• may have an "hourglass" configuration with transverse septum
• "pearl necklace gallbladder" on OCG

Related CHORUS documents: hyperplastic cholecystosis cholesterolosis focal gallbladder wall thickening Rokitansky-Aschoff sinuses gallstones gallbladder carcinoma

Copyright © 2013, Charles E. Kahn, Jr.