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KMID : 1218220090010010046
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Korean Journal of Pediatric Urology
2009 Volume.1 No. 1 p.46 ~ p.50
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Congenital Urethral Abnormalities on the Voiding Cystourethrography in Boys
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Kim Soo-Dong
Seo Ju-Hyung
Shin Chan-Wook
Cho Won-Yeol
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Abstract
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Purpose: We aimed to investigate the relationship between vesicoureteral reflux (VUR) and the urethral abnormalities on the voiding cystourethrography (VCUG) in boys.
Patients and Methods: Between October 2000 and September 2005, 91 boys, who presented with febrile urinary tract infection (UTI) or prenatal hydronephrosis, underwent a VCUG to evaluate the VUR. We also evaluated the urethral abnormalities and other urological anomalies.
Results: The VUR was identified in 17 boys and the urethral abnormalities in 23. Four (23.5%) boys had VUR (3 high grade, 1 low grade) and urethral abnormalities as well. They underwent surgery for VUR and urethral abnormalities. Among 13 VUR patients without urethral abnormalities, 6 boys had high grade VUR. Patients with urethral abnormalities had more severe VUR. In the 19 boys who had urethral abnormalities without VUR, 9 (47.4%) had mild hydronephrosis or bladder wall thickening on ultrasonography.
Conclusions: Our data suggest that the urethral abnormalities could contribute to aggravate the grade of VUR, and may account for secondary hydronephrosis or bladder wall thickening. So, for the appropriate diagnosis and treatment of VUR, careful observation of urethral abnormalities is very important.
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KEYWORD
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Abnormalities, Congenital, Urethra
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