99mtechnetium-dimercapto-succinic acid renal scanning and excretory urography in diagnosis of renal scars in children

Journal Article · Fri Sep 01 00:00:00 EDT 1989 · Journal of Urology; (USA)

OSTI ID:5480943

McLorie, G A; Aliabadi, H; Churchill, B M; Ash, J M; Gilday, D L ^[1]

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1. Hospital for Sick Children, Toronto, Ontario (Canada)

We compared the ability of excretory urography (without tomography) and 99mtechnetium-dimercapto-succinic acid renal scanning to detect renal scars in 32 children with primary vesicoureteral reflux. These children did not have hydronephrosis, renal failure or urinary tract obstruction. In all cases both studies were conducted within a 10-month period. The findings from both modalities were in agreement for 51 of the 64 renal units evaluated (80%). Evaluation of the excretory urogram indicated 6 cases of diffuse and 2 of focal scarring that were not detected by evaluation of the renal scan. The sensitivity of excretory urography to detect renal scars was 84% and the specificity was 83%. The 99mtechnetium-dimercapto-succinic acid renal scan showed 5 cases of focal renal scarring not detected by excretory urography. The sensitivity of the renal scan to detect renal scars was 77% and the specificity was 75%. We conclude that neither study alone could effectively replace the other for the detection of renal scars, and recommend that both be included in the initial evaluation and followup of patients with renal scars.

• OSTI ID: 5480943
• Journal Information: Journal of Urology; (USA), Vol. 142:3; ISSN 0022-5347
• Country of Publication: United States
• Language: English

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