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男子进入青春期后,随年龄增加性的发育与成熟逐渐完善,其标志是睾丸增大、阴茎增长变粗,第二性征呈男性型。此与下丘脑一垂体一性腺轴的活动增强有密切关系。临床上遇见的已进入青春期男性患者,阴茎仍处于儿童型,即谓过小阴茎(Micropen-is)。小阴茎仅为临床征象,多为先天因素引起胎睾分泌雄激素不足或促性腺激素生成低下所致。本文收集40例小阴茎症,进行临床与内分泌观察,分析报道如下: 临床资料所选择之病例包括门诊与住院病人,具备以下条件:(1)年龄16～30岁。(2)阴茎长度小于5cm(以其最大伸展长度计算。)(3)生殖器无两性畸形。(4)未经性激素治疗。临床表现:(1)阴茎形状正常,大小自1.4×1cm至5×1.5cm,平均2.4×1.2cm。18例能轻度勃起。(2)睾丸。38例小睾丸,
Men into adolescence, with increasing age, the development and maturation gradually improved, the signs of increased testis, penis growth thicker, secondary sexual characteristics were male. This and the hypothalamus-gonadal axis of activity is closely related. Clinical encounter has entered the adolescent male patients, the penis is still in children, that is, the penis (Micropen-is). Small penis is only a clinical sign, mostly caused by congenital factors androgen secretion or less fetal gonadotropin production caused by low. This collection of 40 cases of small penis, clinical and endocrine observations, analysis reported as follows: Clinical data selected cases include outpatient and inpatient, with the following conditions: (1) age 16 to 30 years old. (2) The length of the penis is less than 5 cm (calculated based on its maximum extension length.) (3) Genital hermaphroditism. (4) without sex hormone treatment. Clinical manifestations: (1) normal penis shape, the size of 1.4 × 1cm to 5 × 1.5cm, an average of 2.4 × 1.2cm. 18 cases of mild erection. (2) testicles. 38 cases of small testicles,