PMC5870632_01
Contrast-enhanced CT was performed to evaluate the suspected urine leakage.. Notes: (A) The delayed phase image reveals a urine leak into the perirenal area, consistent with the urinoma in the bilateral perirenal area (arrows). (B) The excretory phase image reveals fluid retention in the perirenal area (arrows).. Abbreviation: CT, computed tomography.
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Therefore, hemodialysis and contrast-enhanced computed tomography (CT) (Figure 1) were performed on that same day. The delayed phase image (Figure 1A) shows the intravenous contrast media in the perirenal area without filling defects. The excretory phase image reveals (Figure 1B) fluid retention in the perirenal area without enhancement. These radiologic findings indicated urinoma in the bilateral perirenal area, that is, perirenal urinoma.
Histopathologic examination of the kidney revealed interstitial mononuclear cell infiltration (arrow head) with glomerular sparing (arrow).. Note: Scale bar 70 mum.
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Kidney biopsy was performed on January 2, 2017, and histopathologic examination (Figure 2) revealed mononuclear cell infiltration and eosinophils in the renal parenchyma with glomerular sparing.