失踪的

Objective:To evaluate the effect of circumcision on the glans penis sensitivity by comparing the changes of the glans penis vibrotactile threshold between normal men and patients with simple redundant prepuce and among the patients before and after the operation.

目的：比较单纯包皮过长患者与正常人，以及单纯包皮过长患者在包皮环切术前、术后阴茎头振动感觉阈变化，评估手术对阴茎头敏感度的影响。

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