病例患儿社会性别男性,5岁。其父母代诉:患儿足月顺产,出生后发现生殖器不正常,阴茎小,尿液从阴囊下方一呈裂隙状的小孔中排出,但可成线;随年龄增大仍不见排尿正常,需取蹲位。患儿父母非近亲结婚,三个姐姐发育正常。体检:发育、营养、智力与同龄儿童相称,五官正常;心肺无特殊;腹平软、肝脾未触及;脊柱四肢 Case children gender, male, 5 years old. The parents complained: children with full-term follow-up, found that after birth, genital abnormalities, the penis is small, urine from the scrotum below the hole was a fissure-like discharge, but can be a line; with age still not see normal urination, Need to take squats. Parents of children with non-relatives married, three sisters normal development. Physical examination: development, nutrition, intelligence and children of the same age commensurate, normal facial features; no special cardiopulmonary; abdominal soft, liver and spleen not touched; spine limbs