title: Perforated cholecystitis mimicking ruptured abdominal aortic aneurysm.
mesh_terms: D000368:Aged; D001012:Aorta, Abdominal; D001014:Aortic Aneurysm / Q000175:diagnosis*; D002764:Cholecystitis / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005705:Gallbladder Diseases / Q000150:complications / Q000175:diagnosis*; D006465:Hemoperitoneum / Q000175:diagnosis / Q000209:etiology; D006801:Humans; D008297:Male; D012422:Rupture, Spontaneous