Presentation
Right upper quadrant pain with tenderness.
Patient Data
Distended gallbladder with thickened wall, and mucosal enhancement, containing numerous gallstones isodense to bile but visible on ultrasound (not shown) with an impacted stone within the gallbladder neck. Intramural diverticulae (Rokitansky-Aschoff sinuses) are noted within the gallbladder wall (adenomyomatosis). Pericholecystic inflammatory fat stranding is noted.
A well-encapsulated mass of fatty density is noted within the right abdominal wall of intermuscular location between the external and internal oblique muscles.
Case Discussion
CT features of an acute calcular cholecystitis and an intermuscular lipoma of the abdominal wall (incidental finding).