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KMID : 0359920140330030150
Korean Journal of Nephrology
2014 Volume.33 No. 3 p.150 ~ p.153
Emphysematous pyelonephritis initially presenting as a spontaneous subcapsular hematoma in a diabetic patient
Min Ji-Won

Lee Soon-Kyu
Ko Yu-Mi
Kwon Ki-Wook
Lim Jeong-Uk
Lee Yeong-Bok
Lee Hye-Won
Won Yoo-Dong
Kim Young-Ok
Abstract
Emphysematous pyelonephritis (EPN) is a life-threatening infection characterized by the formation of gas. Complications of EPN include septic shock, acute renal failure, and disseminated intravascular coagulation. Spontaneous subcapsular hematoma (SCH) has also been reported as a rare complication of EPN, although there have been no reports to date of this occurring prior to the presentation of EPN. We report a case of EPN that initially presented as spontaneous SCH. The patient was admitted for left ?ank pain, and initial computed tomography revealed SCH without any air shadows. Laboratory ?ndings and clinical symptoms suggested the presence of urinary tract infection and the patient was started on antibiotics. Fever developed 24 hours after admission. On follow-up computed tomography 7 days later, EPN was newly observed, and a percutaneous drain was inserted. Blood, urine, and drainage ?uid cultures all revealed growth of extended-spectrum ¥â-lactamase- negative Escherichia coli.
KEYWORD
Emphysema, Hematoma, Pyelonephritis
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