Abstract
Various techniques have been reported to repair severe hypospadias. The Koyanagi repair uses a meatal based foreskin flap. We modified this procedure and reviewed the outcome of the repair of severe hypospadias. The modified Koyanagi repair was performed in 151 children 7 months to 15 years old (mean age 3 years) with severe hypospadias. The records of these patients were reviewed. In all cases the meatus was at or proximal to the penoscrotal junction. Followup was 6 months to 16 years (mean 6 years). Flap design is the same as in the Koyanagi repair, although our modified technique requires removal of the subcutaneous tissue of the distal portion of the flap, which acts as a full-thickness free skin graft. A fistula developed in 19 patients (12.6%), meatal stenosis in 3 (2%) required meatoplasty and infection in 2 (1.3%) resulted in a regressed meatal position. Good cosmetic results were achieved in all except the latter 2 cases. Our modified Koyanagi repair affords an excellent cosmetic appearance. The complication rate is relatively low and compares favorably with that of other techniques.
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