Gall bladder wall shows mild to moderate fibrosis with focal mucosal ulceration and marked infiltration by neutrophils, lymphocytes and plasma cells that extends into the surrounding soft tissue. Glands exhibit focal cystic dilatation and appear to be entrapped within muscular coat (Rokitansky-Aschoff sinuses). No evidence of atypia or malignancy.
Acute gangrenous cholecystitis
Received was a 7.5 x 2.5 cm gallbladder specimen exhibiting a grey, ulcerated surface. The gallbladder wall measured 0.4 cm in thickness. The lumen contained a single 1.5 cm yellow calculus.
Gall bladder, cholecystectomy: