Ultrasonography, an intravenous urogram, retrograde pyelogram, and computerized tomography aided in diagnosing the presence of a renocolic fistula. |
An intravenous urogram revealed a filling defect in the right renal pelvis, and cystoscopy showed blood emerging from the right ureteric orifice only. |
An intravenous urogram is superior in these circumstances and would therefore be the next investigation. |