What is the efficacy of surgical treatments for cryptorchidism with nonpalpable testis?

Updated: Dec 17, 2020
  • Author: Joel M Sumfest, MD; Chief Editor: Edward David Kim, MD, FACS  more...
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A comparison study of primary LAO with laparoscopic two-stage Fowler-Stephens orchiopexy (FSO) in 94 patients with 110 nonpalpable testes reported overall success rates of 88% for LAO versus 63% for FSO. For high intra-abdominal testes, atrophy rates were 3% for LAO versus 20% for FSO (odds ratio 0.14, P = 0.049). [69]

Microvascular orchiopexy allows adequate scrotal position with preservation of the spermatic artery blood flow. However, it requires special expertise. The success rate is 84%.

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