Gu Sheng-li, Luo Xue-song, Hu Liang-wu
Department of Paediatric Surgery, Zunyi Women and Children' s Hospital, Zunyi 563000, China.
Zhonghua Zheng Xing Wai Ke Za Zhi. 2011 Jul;27(4):269-72.
To investigate the application of Koyanagi technique for repairing proximal hypospadias with penoscrotal transposition.
Koyanagi procedure was used for repairing proximal hypospadias with penoscrotal transposition in 26 boys (mean age 4.2 years) between July 2005 and June 2010.
Primary healing was achieved in 22 cases. Three patients suffered from urinary fistula and the external urethral orifice in one patient was retracted to penis coronary sulcus, who were re-operated successfully. Two cases showed slight penile ventral curvature. Slight stricture of the urethral external orifice was noted in one case, which relieved after one to two times of urethral sounding every week for eight months. 20 patients were followed up for 6-36 months (mean 10.5 months) with good cosmetic result and normal urethra function. The penoscrotal transposition was also corrected.
The original Koyanagi procedure might be one of the simple and effective method for repairing proximal hypospadias with penoscrotal transposition.
探讨小柳（Koyanagi）技术在修复合并阴茎阴囊转位的近端型尿道下裂中的应用。
2005年7月至2010年6月，采用小柳手术对26例（平均年龄4.2岁）合并阴茎阴囊转位的近端型尿道下裂患儿进行修复。
22例一期愈合。3例发生尿瘘，1例尿道口回缩至阴茎冠状沟，均再次手术成功。2例有轻度阴茎腹侧弯曲。1例尿道口轻度狭窄，每周行尿道扩张1～2次，共8个月后缓解。20例随访6～36个月（平均10.5个月），外观良好，尿道功能正常，阴茎阴囊转位也得到纠正。
原始的小柳手术可能是修复合并阴茎阴囊转位的近端型尿道下裂的简单有效方法之一。
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