PMC5035827_01
Coronal reconstruction of a computerized tomographic urography showing bilateral renal excretion with left hydronephrosis and urine extravasation from the ureteropelvic junction site.
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To further clarify these findings, intravenous contrast was administered 3 hours later and the NCCT was completed with a computerized tomographic urography showing bilateral symmetrical renal excretion with left hydronephrosis and retroperitoneal urinary extravasation originating at the level of the left ureteropelvic junction (Fig. 1).