羊膜粘连带导致儿童先天缺陷常不被人们所认识,易造成误诊,本文报告5例并做讨论。例1 男,2岁,足月产儿。出生时即见右手中、食指根部有一戒指样粘连带缠绕,剪除后呈现一明显缩窄环。食指根部因缩窄严重呈蒂状和手掌相连,生后三日自然脱落形成缺损。2岁时缩窄环深约0.2厘米,皮肤紧贴指骨,患指能做屈伸活 Amniotic adhesions lead to congenital defects in children are often not known, easy to cause misdiagnosis, this article reports 5 cases and to discuss. Example 1 male, 2 years old, full-term infants. At birth, see the right hand, the root of the index finger with a ring-like adhesive tape wound, cut a clear narrowed ring. The root of the index finger due to severe narrow pedicle and palms connected, three days after birth naturally shedding defects. 2-year-old narrowed ring about 0.2 cm deep, the skin close to the phalanges, the fingers can do flexor extension