肱骨头发育不全是一种极为罕见的畸形疾病,文献报道甚少,现将临床工作中遇到的1例报道如下。 患者男,12岁。右肩部不适,疼痛3年余,进行性加重半年。无外伤史。查体:患儿一般情况可,右上肢发育较细,右肩部压痛,肩关节前屈后伸、外展运动受限,肩部附近各肌肉废用性萎缩。肩部正位x线片显示:右肱骨头扁平,无半球形突起,仅在解剖颈上方有一扁半突起,肩关节盂不呈半 Humeral hypoplasia is a very rare deformity disease, reported little literature, clinical work now encountered in 1 case reported as follows. Patient male, 12 years old. Right shoulder discomfort, pain more than 3 years, progressive increase of six months. No history of trauma. Physical examination: Children can be generally, the right upper limb development, fine, right shoulder tenderness, flexion and extension of shoulder joint, outreach movement is limited, the muscles around the shoulder waste atrophy. Shoulder anteroposterior x-ray film shows: the right humeral head flat, no hemispherical protrusions, only in the top of the anatomical neck has a flat half protrusion, shoulder glenoid is not half