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病史:女51岁,主诉为左大腿远端不适。X线检查发现左股骨干远侧有2.5×3.5cm大小之溶骨性破坏。患者入院4年半以前,曾行左枕部脑膜瘤切除术。股骨病变活检诊断为股骨恶性血管外皮细胞瘤,由颅内病变转移而来。在一个51岁的女性最容易想到的诊断为转移性病灶,纤维肉瘤,恶性纤维性组织细胞瘤和不常见的浆细胞瘤。良性肿瘤与感染病变则不常见。讨论:由股骨干活检取得的材料提示本病为一典型的恶性血管内皮细胞瘤。复习4年半前手术切除之左枕部“脑膜瘤”的组织切片,其所见与股骨的切片相似,故必须考虑其为转移性者。而原发于颅内的病变并无通常脑膜瘤的组织学特征。入院后
History: Female 51 years old, complained of distal left thigh discomfort. X-ray examination found that the left femoral distal fracture size of 2.5 × 3.5cm osteolytic destruction. Four and a half years before admission, he had a left occipital meningioma resection. Femoral disease biopsy diagnosis of malignant hemangiopericytoma, from the intracranial lesions metastasis. The most common diagnoses in a 51-year-old woman are metastases, fibrosarcoma, malignant fibrous histiocytoma, and uncommon plasmacytoma. Benign tumors and infections are less common. Discussion: Materials obtained from the femoral stem biopsy suggest that the disease is a classic malignant hemangioendothelioma. Review 4 and a half years ago surgical resection of the left occipital “meningioma” of the tissue section, which is similar to the resection of the femur, it must be considered as metastatic. The primary lesions in the brain and there is no usual meningioma histological features. After admission