大腿部壊死性筋膜炎を来たしたサンゴ状結石による気腫性腎盂腎炎の1例

概要

We report a rare case of necrotizing fasciitis in the thigh induced by emphysematous pyelonephritis due to a staghorn stone. A 60-year-old female was diagnosed with a staghorn stone in the right kidney at another clinic. We referred her to another hospital for indication of percutaneous nephrolithotripsy. However, she chose not to visit the hospital. One year and three months later, she was transported to the emergencyward of our hospital because of a high fever and right hip joint pain. The diagnosis of right emphysematous pyelonephritis with a perinephric abscess was diagnosed by computed tomography. Transurethral ureteral stenting and percutaneous abscess drainage were performed and her condition improved. However, two weeks after the initial treatment, she developed swelling and pain in the right thigh. Computed tomographyrevealed multiple areas of gas in the right thigh and urgent debridement was performed. Escherichia coli was isolated from the cultures of urine and debrided tissues. The patient received several treatments, including two additional debridements, negative pressure wound therapy, and antimicrobial chemotherapy. Three months after the first debridement, the open wound of the right thigh was completely closed. Necrotizing fasciitis in the thigh due to emphysematous pyelonephritis is very rare. A favorable outcome was obtained byprompt debridement and negative pressure wound therapyin this case.

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