Objective: Our study was planned based on the hypothesis that epididymal anomalies may be more incidental and more severe in cases with bilateral undescended testicles compared to unilateral undescended cases. We also aimed to review the classifications of epididymal anomalies in the literature and to establish a simpler and clinically applicable classification in the present study.
Materials And Methods: In this study, we retrospectively reviewed 197 pediatric patients who had been operated for undescended testis between January 2014 and January 2018. In the collective analysis of bilateral undescended testes cases, if the present anomaly were present in any testis, the anomaly was considered to be present for these cases and subjected to statistical analysis.
Results: The study included a total of 241 testicles of 197 patients. The incidence of epididymal anomalies was found to be significantly higher in cases with bilateral undescended testicles compared to unilateral cases (68.2%, 43.1%, respectively; p = 0.003). It was observed that the incidence of epididymal anomaly and the severity of the anomaly statistically significantly decreased as the localization of the undescended testicle changed between the intraabdominal position and the external inguinal ring (p = 0.0001).
Discussion: The effects of the undescended testicles on fertilization have been subject to evaluation in a limited number of studies and it has been reported that the rate of fertility is lower in patients with bilateral undescended testicles, whereas the fertility rate is close to that of healthy males in patients with unilateral undescended testicles. The incidence of epididymal anomalies was found to be higher in cases with bilateral undescended testicle, as shown in our study. However, based on these data, it is not possible to make a comment about whether this condition leads to infertility or not. Furthermore, accurate documentation of epididymal anomalies and standardization of the classifications of epididymal anomalies may be guiding in the prevention of complications for the surgeons in the treatment of patients who will undergo orchiopexy.
Conclusions: We concluded that the incidence of epididymal anomalies was significantly higher in cases with bilateral undescended testicles compared to unilateral cases. In our study, based on a comprehensive high-quality surgical image archive, we believe that the differentiation of epididymal anomalies according to the classification we have proposed will make it possible to create a database that is easier to use clinically in a more objective way.
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