PMC9372729_01
Computed tomography image. Contrast computed tomography image on day X + 1. Multiple wedge-shaped areas of contrast ineffectiveness are seen in the right kidney.
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Blood culture was negative, but urine culture revealed S. saprophyticus 10^7 CFU/mL, and contrast-enhanced computed tomography (CT) showed multiple and extensive wedge-shaped areas of contrast failure in the right kidney, leading to the diagnosis of AFBN (Fig. 1).