الفهرس 
Modified koyanagi technique for the single - stage repair of proximal hypospadias
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Abstract
To assess the effectiveness of the modified koyanagi technique as a repair for proximal hypospadias, and the effectiveness of single stage repair of proximal hypospadias. This study was conducted in the general pediatric surgery unit, in Cairo university specialized pediatric hospital, during the period of March 2014 to March 2015. 20 cases with proximal hypospadias were included in our prospective study. We performed the single stage repair, modified koyanagi technique to all of them. 20 cases were included, the mean age was 2.83 ± 1.17 years, 16 cases ( 80%) were penoscrotal, 4 cases (20%) were perineal. 6 cases (30%) had associated external genitalia anomaly. 12 cases ( 60%) received topical androgen for a mean period of 1.79 ± 0.66 months. Mean operative time was 193.5 ± 41.84 minutes. The follow up period ranged from 2 to 12 months, with mean of 8.15 ± 3.53 months. The overall success was fulfilled in 11 cases ( 55%), as they needed no reoperation. Early complications as bleeding was noted in 1 case ( 5%), urine retention was noted in 1 case ( 5%), infection was noted in 1 case ( 5%), stenosis in 3 cases (15%), in which it responded to urethral dilatation. Late complications as fistulae were noted in 4 cases 20% , all of them were penoscrotal