预后最差的骨肿瘤是A.未分化网状细胞肉瘤B.骨肉瘤C.原发性软骨肉瘤D.骨巨细胞瘤Ⅱ级E.骨纤维肉瘤

作者: rantiku 人气: - 评论: 0
问题 预后最差的骨肿瘤是
选项 A.未分化网状细胞肉瘤 B.骨肉瘤 C.原发性软骨肉瘤 D.骨巨细胞瘤Ⅱ级 E.骨纤维肉瘤
答案 A
解析 :未分化网状细胞肉瘤恶性程度最高且早期全身转移,因而预后最差。

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