title: Emphysematous cholecystitis--an important clinical variant of acute cholecystitis.
mesh_terms: D000368:Aged; D001646:Bile / Q000382:microbiology; D002764:Cholecystitis / Q000150:complications / Q000175:diagnosis / Q000401:mortality; D002769:Cholelithiasis / Q000175:diagnosis; D003016:Clostridium perfringens / Q000302:isolation & purification; D048909:Diabetes Complications; D005260:Female; D005734:Gangrene / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged