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本文报道9例典型而少见的骨外软骨瘤。肿瘤有两大特点:1.病变位于扁骨及大关节旁者多见;2,肿块平均体积较其它资料明显增大,对其X线征象进行了讨论,提出了骨外软骨瘤的五类X线表现。
This article reports 9 cases of typical and rare extraosseous chondroma. The tumor has two major characteristics: 1. The lesions are more common in the flat bone and large joints. 2. The average volume of the tumor is significantly larger than other data. The X-ray signs are discussed and the five types of extra-osseous chondroma are proposed. X-ray performance.