Objective To investigate the application value of laparoscopy in the treatment of impalpable testis in children . Methods Clinical data of 40 children with impalpable testis ( 45 sides ) from December 2007 to June 2014 were retrospectively analyzed.The sites and sizes of the testis were identified by abdominopelvic ultrasonography in all the patients .The findings and management included:33 cases of intra-abdominal testis (38 sides) were treated with one-session (29 cases, 33 sides) or two-staged (4 cases, 5 sides) orchidopexy; 6 cases of cord structure entering the internal inguinal ring (6 sides) were treated with inguinal exploration;1 case was given a vasectomy after laparoscope exploration indicating that cord structure was caecum (1 side). Results All the 40 cases (45 sides) were successfully operated .The operative time was 34-65 min ( mean, 46 min) and the postoperative hospital stay was 2-5 days (mean, 3.2 days).Forty cases were followed up for 6-24 months (mean, 8.7 months).There were 4 cases of testicular retraction to the top of the scrotum , 1 case of atrophy of testis , and 3 cases of scrotal edema and hematoma .No testicular torsion and necrosis happened . Conclusions Laparoscopic surgery can obtain clear exposure and anatomy , less damage the surrounding tissue , and less trauma in children , which can improve the success rate of the fixed testicular descent , especially for intra-abdominal blind vas deferens and high position of testis .Laparoscopic surgery has an important clinical value for treating children with high cryptorchidism .%目的：探讨腹腔镜在未触及睾丸隐睾患儿中的应用价值。方法选取2007年12月～2014年6月诊疗的未触及睾丸的隐睾患儿40例（45侧），根据患儿情况在腹腔镜下行相应手术治疗。腹腔内睾丸33例（38侧），其中行一期睾丸下降固定术29例（33侧），分期睾丸下降固定术4例（5侧）；精索血管进入腹股沟管6例（6侧），行腹股沟区探查术；1例（1侧）腹腔内见输精管呈盲端，镜下切除。结果40例（45侧）均手术顺利。手术时间34～65 min，平均46 min。术后住院时间2～5 d，平均3．2 d。40例随访6～24个月，平均8．7月。睾丸回缩至阴囊上方4例，睾丸萎缩1例，阴囊水肿、血肿3例，无睾丸扭转坏死。结论腔镜技术暴露清楚，解剖明确，不易损伤周围组织，对患儿创伤较小，有助于提高睾丸下降固定的成功率，尤其对腹腔内盲端输精管和很高位置的睾丸有较好的治疗效果，对治疗小儿高位隐睾具有重要的临床价值。
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