锁骨颅骨发育不全(cleidocranial dysostosis,CCD)临床及法医鉴定中较为罕见。笔者分别于2008年及2013年收集CCD患者遭受头、胸部外伤各1例,均为法医鉴定影像学检查时发现,现报道如下。1案例资料案例1葛某,男,25岁。因土地纠纷遭外力击伤头部2h到医院就诊。体格检查:身高约1.5m,侏 Cladding skull dysplasia (cleidocranial dysostosis, CCD) clinical and forensic identification is relatively rare. The authors collected 1 case of head and thoracic trauma patients who were suffering from head and neck injuries respectively in 2008 and 2013. They were found during forensic imaging examination and are reported as follows. 1 case data case 1 Gemou, male, 25 years old. Due to land disputes were wounded outside the head 2h to the hospital. Physical examination: height of about 1.5m, dwarf