title: Acute emphysematous cholecystitis.
mesh_terms: D000208:Acute Disease; D000368:Aged; D002763:Cholecystectomy; D002764:Cholecystitis / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology; D004646:Emphysema / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000209:etiology; D005704:Gallbladder / Q000098:blood supply; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014652:Vascular Diseases / Q000150:complications