颅骨锁骨发育不全是一种少见的先天性全身骨胳发育不全性疾病[1]。1766年由Morand首先报道，1870年Cuffer又首先报道了家庭性的发病，Marie和Santon于1897年正式命名为锁颅骨发育不全症。我们收集9例，其中散发3例，家庭性发病6例，现就该病的影像学改变分析如下。1材料与方法9 Cranial clavicular hypoplasia is a rare congenital total body dysplasia [1]. First reported by Morand in 1766, Cuffer first reported the onset of familial disease in 1870, and Marie and Santon officially named craniofacial dysplasia in 1897. We collected 9 cases, of which 3 cases were distributed, 6 cases of family history, the disease is now on the imaging changes are analyzed as follows. 1 Materials and Methods 9