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Renal Artery Stenosis in En-Bloc Pediatric Renal Transplant: Demonstration by Captopril-Enhanced Renal Scintigraphy

Department of Diagnostic Radiology and Nuclear Medicine, Allegheny General Hospital, and Allegheny Campus, Medical College of Pennsylvania, Pittsburgh, Pennsylvania

Correspondence: For reprints contact: Ba D. Nguyen, MD, Department of Diagnostic Radiology and Nuclear Medicine, Allegheny General Hospital, Pittsburgh, PA 15212

ABSTRACT

A double-pediatric kidney transplant recipient, who developed hypertension, was found to have unilateral renal artery stenosis. The stenosis was successfully assessed by single-dose ^99mTc-diethylenetriaminepentaacetic acid renal scintigraphy, confirmed by renal arteriography, and treated by percutaneous transluminal angioplasty. This case illustrates the usefulness of Captopril-enhanced renography in screening en-bloc transplant patients suspected for renal vascular hypertension.