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Codman三角是下列哪种骨肿瘤的特点()

单选题
2021-08-31 02:30
A、骨巨细胞瘤
B、骨肉瘤
C、骨软骨瘤
D、骨纤维肉瘤
E、尤文肉瘤
查看答案

正确答案
B

试题解析
典型的骨肉瘤的X线表现为骨组织同时具有新骨生成和骨破坏的特点。肿瘤多位于长管状骨的干骺端,边缘不清,骨小梁破坏,肿瘤组织密度增高,穿破骨皮质后,肿瘤将骨膜顶起,产生该病具有特征性的X线征象--考德曼套袖状三角(Codman-三角)。这种现象在部分骨髓炎和尤文肉瘤病人中可见到,在骨肉瘤中则是非常典型的。晚期可看到肿瘤浸润软组织的阴影,可在部分病例中见到病理性骨折。

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