Silver-Russel 综合征又称不对称身材-矮小-性发育异常综合征。现将我院收治的2例报告如下。例1.男,5岁,以生长发育迟缓5年,右上肢比左上肢细4年为主诉入院。足月顺产,第1胎第1产,母孕期正常,出生体重2000g,1岁时发现右上肢比左上肢细。生后生长缓慢,智力同正常同龄儿。父身高1.70米,母身高1.64米,家族中无同类病史。查体:身材矮 Silver-Russell syndrome, also known as asymmetric stature - dwarf - sexual dysplasia syndrome. Now in our hospital admitted 2 cases are as follows. Example 1. Male, 5 years old, with growth retardation of 5 years, right upper limb than the left upper limb thin 4-year-old hospitalized. Full-term follow-up, first-born first child, normal pregnancy, birth weight 2000g, 1 year old found that the right upper limb than the left upper limb thin. Slow growth after birth, intelligence with normal peers. Father height 1.70 meters, 1.64 meters tall, no similar family history. Physical examination: short stature