Nutthawut AkaranuchatChanon ParkpinyoFaculty of Medicine, Siriraj Hospital, Mahidol University2020-12-282020-12-282020-11-01Journal of the Medical Association of Thailand. Vol.103, No.11 (2020), 1236-1239012522082-s2.0-85096180197https://repository.li.mahidol.ac.th/handle/20.500.14594/60560© JOURNAL OF THE MEDICAL ASSOCIATION OF THAILAND | 2020. The present article describes a case of 46-year-old man who presented with progressive pain and swelling at the right lower back and buttock for three weeks. The investigation showed an abscess at the right lower back and buttock, osteomyelitis of the iliac bone, and a hepatic abscess. The causative pathogens were confirmed to be Klebsiella pneumoniae, both K1 and K2 serotype. This patient was treated with surgical management, percutaneous drainage, intravenous antibiotic, and control of his underlying disease risk factor, which was diabetic mellitus.Mahidol UniversityMedicineArticleSCOPUS10.35755/jmedassocthai.2020.11.11111