Emphysematous cystitis (EC) is an uncommon but potentially life-threatening urinary tract infection. Diagnostic difficulty exists because of the variable presentations. We report the case of a 73-year-old woman who presented with diarrhoea and malaise, and emphysematous cystitis was revealed on the abdominal X-ray. As she was treated for EC, the diarrhoea and the radiographic abnormalities of EC also resolved. The evaluation and management of this complicated urinary tract infection are discussed.
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