患者，男，39岁。腰部外伤后疼痛1个月。骨盆正位片显示两侧髂骨对称性骨性突出物。追问病史，患者自幼双前臂不能伸直，15岁以前双手拇指......

<正> Nail-Patella syndrome (NPS) or onychoosteodysplasia is an au-tosomal dominant disorder characterized by skeletal ab......