Contrast induced obstructive anuria in uretero-pelvic junction obstruction secondary to a crossing vessel in a solitary kidney.

Acute renal dysfunction due to iodinated contrast is usually associated with non-oliguric renal failure. We report an unusual occurrence of complete obstructive anuria in a case of uretero-pelvic junction obstruction secondary to an occlusive crossing vessel precipitated by an intravenous urogram.