骨内神经鞘瘤是一种少见的肿瘤,国内外共报道过47例,恶性的只有国内周志道报告过1例。我院收治过2例胫骨内神经鞘瘤,其中有1例恶性的,现分别报道如下:例一:男性,52岁,农民,住院号:134870,于1981年5月11日以“胫骨纤维肉瘤继发性贫血”之诊断收住院。 Intraosseous schwannoma is a rare tumor. A total of 47 cases have been reported at home and abroad. Only one case has been reported in Zhou Zhidao in China. Our hospital had treated 2 cases of sacral schwannomas, of which 1 case was malignant, and are reported separately as follows: Case 1: Male, 52 years old, farmer, hospital number: 134870, on May 11, 1981 with "sacral fiber The diagnosis of secondary anemia of sarcoma is admitted to hospital.