Retrospective Analysis of 110 Cases of Retractile Testis

Shinkai Toko, Kitagawa Hiroaki, Wakisaka Munechika, Furuta Shigeyuki, Hamano Shiho, Shima Hideki, Nagae Hideki, Aoba Takeshi

doi:10.11164/jjsps.48.1_33

Purpose: A retractile testis is a normally descended testis that retracts into the inguinal canal as a result of cremaster muscle contraction. There has long been a controversy as to its indication of surgery. The purpose of this study is to analyze our experience of patients with retractile testis. Materials and Methods: We retrospectively reviewed the medical charts of 110 patients with a retractile testis between 1998 and 2009. Group A (14 cases): patients who received orchidopexy after annual observation. Group B (21 cases): patients who required surgery because of associated conditions such as inguinal hernia, hydrocele, and contralateral undescended testis. Group C (75 cases): patients who were followed up without surgery. Results: There were no significant differences in demographic data or follow-up period between group A and C. Group B had a significantly shorter follow-up period than group A or C. Fourteen of 89 patients (15.7%) required surgery after observation. In group A, 6 patients developed ascending testis and 2 were diagnosed as cryptorchidism. Conclusion: These findings suggest that the majority of patients with retractile testes have a spontaneously favorable outcome. However, 8 cases required orchidopexy because of ascending testis or cryptorchidism. It is important that patients with retractile testis be monitored annually until the testes have clearly descended.

Retrospective Analysis of 110 Cases of Retractile Testis

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