Aim: We aimed to investigate long-term testicular growth and the position of congenital undescended testes (UDT) after orchidopexy (ORP), taking into account that nowadays UDT has to be divided into congenital and acquired forms. Methods: This study included 181 patients with 199 congenital UDT (91 right-sided, 72 left-sided, 18 bilateral), in whom ORP had been carried out (1986–2006). Long-term testicular position and growth were assessed by clinical examination and ultrasound (US). Results: In 44.5% (65/146), testicular volume of the unilaterally operated congenital UDT was >50th percentile for age. In 55.5% (81/146), the volume was ≤50th percentile, and 13.0% (19/146) of these were ≤10th percentile. In 7 of 34 (20.6%) bilaterally operated congenital UDT, testicular volume was ≤10th percentile. The difference in size between the operated congenital UDT and the contralateral non-operated testes measured by both Prader orchidometer (p = 0.00) and US (p = 0.00) was statistically significant. There was a strong correlation between the orchidometer and US. On examination, 87.9% (175/199) of the operated testes were located in the lower scrotum. Conclusion: The findings of this study suggest that ORP for congenital UDT is safe, and even when performed later than current recommendations did not result in severe growth retardation.

Keywords:
Orchidopexy, Congenital undescended testis, Cryptorchidism, Testicular volume, Ultrasound
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© 2009 S. Karger AG, Basel
2009
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