血友病性髂骨多发巨大骨囊肿样变罕见 ,我院发现 1例 ,现报告如下。患者　男 ,5 3岁 ,左髂骨反复疼痛 1年余 ,近 1周加重。查体 :左髋部肿胀 ,压痛 ,屈髋功能受限。Ｘ线骨盆平片 :左髂骨成多发大片状溶骨区 ,呈膨胀性生长 ,内见少数不规则房隔 ,周边骨皮质变薄。髂前下棘可见病 Hemophilic iliac bone multiple cysts often become abnormal, we found 1 case, are as follows. Male patient, 53 years old, left iliac pain more than 1 year, nearly 1 week aggravating. Physical examination: left hip swelling, tenderness, hip dysfunction. X-ray pelvic radiographs: the left ilium into multiple large pieces of osteolytic area, was swollen growth, see a small number of irregular atrial septum, peripheral cortical thinning. Anterior inferior iliac spine visible disease