患儿，男，１岁６个月。因左足先天性畸形就诊。患儿系第三胎，足月顺产。查体：智力正常，发育营养中等，头颅五官端正，心肺、腹部、脊柱、双上肢、右下肢及关节均无异常。左侧腓肠肌发育不良，小腿明显变细，左下肢较右下肢短缩３ｃｍ，左足呈马蹄外翻畸形，足内侧缘胼... Children, male, 1 year and 6 months. Due to congenital malformations left foot treatment. Pediatric third child, full-term follow-up. Physical examination: normal intelligence, moderate nutrition, head and shoulders facial features, heart and lungs, abdomen, spine, upper limbs, right lower limbs and joints were normal. Left gastrocnemius dysplasia, calf was significantly thinned, left lower extremity shortened 3cm, left foot was horseshoe valgus deformity, medial peduncle ...