Gas-forming pyogenic liver abscess

A 74-year-old male with medical history of diabetes mellitus, hypertension and lung cancer, visited our emergency department (ED) because of fever and decreased consciousness level. At the ED, vital signs were normal except tachycardia (134 beats/min), physical examination revealed mild right-upper quadrant tenderness. Laboratory data showed increased leukocyte count (13 010/μl), glucose (919 mg/dl), serum …