Non-functioning kidney due to renal stone
Chronic right flank pain.
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Plain radiograph demonstrate radio opaque calculus at the region of right kidney. No nephrogram and pyelogram are seen in the right side on interval images taken after IV injection of non-ionic water soluble contrast material.
Left side normal nephrogram and pyelogram are seen.
Intravenous urography (IVU) is the oldest imaging modality for evaluation of anatomy and function of the upper urinary tract. Long standing obstruction due to renal calculi can result in impaired functioning of the kidney.