title: Acute emphysematous cholecystitis due to Clostridium perfringens.
mesh_terms: D000208:Acute Disease; D002764:Cholecystitis / Q000209:etiology*; D003015:Clostridium Infections / Q000150:complications*; D003016:Clostridium perfringens; D004646:Emphysema / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged