Teckchandani Narinder, Bajpai Minu
Dept. of Pediatric Surgery, All India Institute of Medical Sciences, New Delhi 110029, India.
Dept. of Pediatric Surgery, All India Institute of Medical Sciences, New Delhi 110029, India.
J Pediatr Urol. 2014 Apr;10(2):352-4. doi: 10.1016/j.jpurol.2013.09.017. Epub 2013 Oct 10.
Penile length-for-age nomograms in prepubertal boys may aid in early recognition of endocrine and genetic disorders associated with abnormal phallic size. There are scarce data on the penile length measurements in children beyond the neonatal period and there is a lack of such a nomogram for Asian Indians.
Of the boys who were admitted in our ward or seen in the outpatient setting for genitalia-unrelated surgical problems, 20 consecutive boys were included in each of the following ten age slots (total of 200 subjects): 0-1, 1-2, 2-3, 3-4, 4-5, 5-6, 6-7, 7-8, 8-9, and 9-10 years. Their stretched penile length (SPL) measurements were used to establish the normal range (mean ± 2 SD) of penile length-for-age in prepubertal Indian boys. Mean ± 2.5 SD was also calculated to define the cut-offs for micropenis and macropenis, respectively, in each age group.
A rapid increase is seen in penile length up to 4 years of age. A much slower increase is implied thereafter.
This study provides reference values of penile lengths for Asian Indian boys aged 0-10 years.
青春期前男孩的阴茎长度与年龄关系列线图有助于早期识别与阴茎大小异常相关的内分泌和遗传疾病。关于新生儿期以后儿童阴茎长度测量的数据很少，并且缺乏针对亚洲印度人的此类列线图。
在我们病房住院或门诊就诊的因与生殖器无关的外科问题前来的男孩中，在以下十个年龄组中每组连续纳入20名男孩（共200名受试者）：0 - 1岁、1 - 2岁、2 - 3岁、3 - 4岁、4 - 5岁、5 - 6岁、6 - 7岁、7 - 8岁、8 - 9岁和9 - 10岁。他们的阴茎牵拉长度（SPL）测量值用于确定青春期前印度男孩阴茎长度与年龄的正常范围（均值±2标准差）。还计算了均值±2.5标准差，分别定义每个年龄组小阴茎和大阴茎的临界值。
阴茎长度在4岁前快速增长。此后增长则慢得多。
本研究提供了0 - 10岁亚洲印度男孩阴茎长度的参考值。
