患者王某,男,19岁,学生。2002年7月无明显诱因出现右膝部隐痛,时发时止。患者坚持打篮球等运动。疼痛逐渐加重,夜间较剧,影响睡眠。2003年4月摄X线片示右股骨内髁溶骨性病灶,无反应性新骨,骨皮质变薄,尚无膨胀,无骨膜反应。初步诊断为骨巨细胞瘤。患者往上海求医,于2003年4月17 Patient Wang, male, 19 years old, student. July 2002 no obvious incentive to appear right knee pain when the time limit. Patients insist on playing basketball and other sports. Gradual increase in pain, night drama, affect sleep. 2003 年 4 月 by X-ray film showed the right femoral condyle osteolytic lesions, non-reactive new bone, cortical thinning, no swelling, no periosteal reaction. Preliminary diagnosis of giant cell tumor of bone. Patient went to Shanghai for medical treatment, in April 2003 17