Emphysematous pyelonephritis
An 82-year-old diabetic lady presented with acute confusion. She was afebrile, hyperglycaemic and in acute renal failure. Her abdomen was mildly distended and she had loin tenderness. An abdominal radiograph shows extensive gas within the right renal parenchyma and subcapsular region (Fig 1). These findings were confirmed with a CT scan (Fig 2). Findings are consistent with those of emphysematous pyelonephritis, to which diabetics are prone. There is no gas extension into the ureter, bladder or retroperitoneum. Initial symptoms and signs are often non-specific and there is a high associated mortality unless treated aggressively. Treatment revolves around fluid resuscitation and systemic antibiotics for E. coli and Klebsiella species. Percutaneous drainage is indicated in cases with obstruction.
- © 2013 Royal College of Physicians
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