影像学表现为包绕骨干的动脉瘤样骨囊肿(aneurysmal bone cyst,ABC)少见,本例术前MRI检查考虑血管瘤,术后病理检查结果为动脉瘤样骨囊肿,谨报道此例以供参考。1病例报告患者,女,37岁,左大腿中段前侧包块4个月。患者4个月前有左大腿锻炼时突发肌肉拉伤疼痛史。入院全身检查未发现其余特殊异常。X线片检查左股骨干中上段局部呈椭圆形骨质低密度改变,前侧骨皮 Imaging findings were aneurysmal bone cyst (ABC), which is a rare case of aneurysmal bone cyst surrounding the bone. In this case, hemangiomas were considered for preoperative MRI and aneurysmal bone cysts were found postoperatively. reference. A case report patients, female, 37 years old, middle left anterior thigh mass 4 months. The patient had a history of sudden muscle strain pain when left thigh exercise 4 months ago. Admission to the whole body examination found no other special abnormalities. X-ray examination of the left upper femur in the upper part of the oval bone low density changes, the front skin