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500名男性尿道口位置分析:广泛的变异表明,并非所有小儿前尿道下裂病例都需要尿道口前移。

Analysis of meatal location in 500 men: wide variation questions need for meatal advancement in all pediatric anterior hypospadias cases.

作者信息

Fichtner J, Filipas D, Mottrie A M, Voges G E, Hohenfellner R

机构信息

Department of Urology, Mainz University Medical School, Germany.

出版信息

J Urol. 1995 Aug;154(2 Pt 2):833-4.

PMID:7609191
Abstract

The high incidence (70%) of anterior hypospadias, mostly without penile curvature, in our pediatric hypospadias patients led us to study the meatal location in normal men to investigate if meatal advancement in all patients with anterior hypospadias can be justified when the wide variation of meatal locations in normal men is considered. The location of the external meatus was analyzed in 500 men (mean age 57 years) with classification of the meatal position in relation to the tip of the glans and corona. Quality of erections and sexual intercourse, presence or absence of penile curvature, urinary stream and ability to void in a standing position were assessed in an interview. Of the 500 men only 275 (55%) were normal with the meatus in the distal third of the glans, while 65 (13%) had anterior hypospadias (glanular in 49, coronal in 15 and subcoronal in 1). In 160 men (32%) the urethral meatus was located in the mid third of the glans. Analyzing coronal and subcoronal hypospadias further, all but 6 patients were not aware of any penile anomaly, all but 1 homosexual patient have fathered children and only 1 had penile curvature (subcoronal hypospadias). However, all patients participated in sexual intercourse without problems and were able to void in a standing position with a single stream. In our study of 500 "normal" men the meatal location varied widely with only 55% of all meatus at the tip of the glans and significant hypospadias in patients without complaints about cosmetic or functional aspects. We believe that these observations might question the need for meatal advancement in cases of anterior hypospadias without associated penile curvature.

摘要

在我们的小儿尿道下裂患者中,前型尿道下裂的发生率较高(70%),且大多无阴茎弯曲,这促使我们研究正常男性的尿道口位置,以探讨在考虑到正常男性尿道口位置存在广泛差异的情况下,所有前型尿道下裂患者进行尿道口前移是否合理。对500名男性(平均年龄57岁)的尿道口位置进行了分析,并根据尿道口相对于龟头顶端和冠状沟的位置进行分类。通过访谈评估勃起和性交质量、有无阴茎弯曲、尿流情况以及站立排尿能力。在这500名男性中,只有275名(55%)尿道口位于龟头远端三分之一处,属于正常情况,而65名(13%)患有前型尿道下裂(49名龟头型、15名冠状沟型和1名冠状沟下型)。160名男性(32%)的尿道外口位于龟头中部三分之一处。进一步分析冠状沟型和冠状沟下型尿道下裂,除6名患者外,所有患者均未意识到任何阴茎异常,除1名同性恋患者外,所有患者均育有子女,只有1名患者有阴茎弯曲(冠状沟下型尿道下裂)。然而,所有患者性交均无问题,且能够站立位单股排尿。在我们对500名“正常”男性的研究中,尿道口位置差异很大,只有55%的尿道口位于龟头顶端,且在无外观或功能方面主诉的患者中存在明显的尿道下裂。我们认为,这些观察结果可能会质疑在无相关阴茎弯曲的前型尿道下裂病例中进行尿道口前移的必要性。

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