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Comparative Study
. 1979 Jun;148(6):855-9.

Orchidopexy in cryptorchidism assessed by clinical, histologic and sperm examinations

J A Bar-Maor, S Nissan, O Z Lernau, M Oren, E Levy
  • PMID: 36676
Comparative Study

Orchidopexy in cryptorchidism assessed by clinical, histologic and sperm examinations

J A Bar-Maor et al. Surg Gynecol Obstet. 1979 Jun.

Abstract

A study was undertaken of 187 patients with unilateral and 41 patients with bilateral cryptorchidism before and after orchidopexy. The mean tubular diameter and the mean tubular fertility index were used as quantitative criteria for assessment of the development of the testes. Before orchidopexy, no significant differences were found between scrotal and cryptorchid testes in patients up to six years of age. Thereafter, the scrotal testis showed marked development in distinction to the cryptorchid testis. After orchidopexy, follow-up examinations were carried out when the patients had reached the age, at least, 18 years. Based on the results of the mean tubular diameter and the mean tubular fertility index, a reasonable degree of fertility would be expected in both the unilateral and the bilateral cryptorchid testes. However, histologic assessment of spermatogenesis in the unilateral cryptorchid testes after orchidopexy showed spermatogenic arrest in 81 per cent and in all patients with bilateral cryptorchid testes after orchidopexy. In the unilateral orchidopexy patients, in distinction to the histologic assesment of spermatogenesis, sperm counts gave good results in 80 per cent; evidently, in these patients, the source of the spermatozoa was the contralateral scrotal testis. That spermatogenesis was defective in 20 per cent of the patients after unilateral orchidopexy suggests and underlying systemic factor affecting both testes.

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