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Abstracts


目的:為了提供參考數據以診斷尿道口狹窄和重建新尿道之大小,而對於未割包皮的男童的尿道口加以研究。 材料及方法:我們測量了88位和尿道無關原因住院手術,且未割包皮的男童的尿道口直徑,割過包皮的男童則排除。尿道口直徑的大小定義為尿道擴張器(sounding)的直胖部分可以進入尿道口的最大尺寸。 結果:尿道口直徑在0歲男童為11.6±0.8F;1-2歲為11.5±1.4F;3-4歲為12.6±2.1F;5-6歲為12.6±2.4F;7-8歲為13.5±1.4F;9-10歲為13.0± 2.1F;11-12歲為15.2±1.8F;13-14歲為17.3±4.2F。大於12歲則尿道口直徑變異增加。所有尿道口直徑都沒有小於10F。0-3歲和4-10歲尿道口直徑分別有38.4%和22.6%等於10F。0-3歲、4-10歲和11-12歲男童尿道口直徑通常不小於10F、12F和14F。 結論:尿道口直徑會隨著年齡增加而變大。未割包皮男童的最小尿道口直徑是10F。

Keywords

尿道 尿道口 陰莖

Parallel abstracts


OBJECTIVE: To determine a reference value for diagnosing meatal stenosis and for reconstructing neourethra the size of normal urethral meatus in uncircumcised boys is investigated. PATIENTS AND METHODS: We calibrated the size of the urethral meatus by sounding in 88 uncircumcised boys who were admitted for surgery of diseases unrelated to the urethra. Circumcised boys were excluded from the study. The size of the urethral meatus was defined as the largest size of a sounding of which the thick straight portion was inserted into the urethra. RESULTS: The sizes of the meatus in boys aged 0 years was 11.6±0.8 F; 1-2 was 11.5±1.4 F; 3-4 was 12.6±2.1 F; 5-6 was 12.6±2.4 F; 7-8 was 13.5±1.4 F; 9-10 was 13.0±2.1 F; 11-12 was 15.2±1.8 F and 13-14 was 17.3±4.2 F, respectively. It varied greatly after age 12 years. No value of the meatus was smaller than 10 F. Of boys aged 0-3 and 4-10 years, 38.4% and 22.6% had a meatus of 10 F. Of boys aged 0-3, 4-10, and 11-12 years, the meatus was usually equal to or larger than 10 F, 12 F, and 14 F, respectively. CONCLUSIONS: The size of the meatus increases with age. The normal minimal size of the urethral meatus in uncircumcised boys is 10 F.

Parallel keywords

urethra urethral meatus penis

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