Actinomycotic cholecystitis.

Actinomycotic cholecystitis is rare. We report a 65-year-old woman who was admitted with repeated attacks of pain in the abdomen and vomiting. Clinical and laboratory findings suggested the diagnosis of cholecystitis with cholelithiasis. At cholecystectomy the gall bladder was inflamed with a small perforation, and contained many calculi. Gram's staining of the gall bladder wall revealed Gram-positive actinomycotic colonies.