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Saudi Journal of Kidney Diseases and Transplantation
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ORIGINAL ARTICLE Table of Contents   
Year : 2001  |  Volume : 12  |  Issue : 1  |  Page : 28-31
Comparison of "Direct" and "Indirect" Nuclear Cystography in the Diagnosis of Vesicoureteric Reflux


1 Department of Pediatrics, King Hussein Medical Center, Amman, Jordan
2 Department of Radiology and Nuclear Medicine, King Hussein Medical Center, Amman, Jordan

Correspondence Address:
Imad Khriesat
Department of Pediatrics, King Hussein Medical Center, P.O. Box 140440, Amman 11814
Jordan
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PMID: 18209357

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This study was undertaken to compare "direct" and "indirect" nuclear cystography for the detection of vesicoureteral reflux (VUR). Forty-five children (15 males and 30 females), ranging in age from 5 months to 10 years, were studied at the King Hussein Medical Center, Amman, Jordan between January 1998 and December 1999, using both direct (catheter) and indirect techniques of nuclear cystography (NC). Of the 82 ureters that could be compared, 32 ureters were positive for VUR on the direct technique while only 20 ureters showed VUR on the indirect technique (sensitivity 62%). Nine ureters, which did not show VUR on the direct cystogram, were read as positive on the indirect cystogram (specificity 82%). The false positive results of indirect nuclear cystogram make it invalid for VUR screening program, while the ease of assessment and low radiation dose from the direct NC has made this the recommended test for screening and follow-up of VUR.


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