Results The skeletal anomalies in 8 cases including generalized sternal prominence, sternal bowing, pouter pigeon breast, hemivertebrae and butterfly vertebrae of thoracic spine, and deformities of ribs were discovered. 结果发现胸部骨骼异常8例,包括弥漫性胸骨前凸、胸骨弓形前凸、鸽胸、颈、胸椎蝴蝶椎、半椎体及肋骨畸形。