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1·The differential diagnosis includes fibromatosis and chondroma of soft parts.

鉴别诊断包括纤维瘤病和软组织的软骨瘤。

2·The T1 and T2 of metastasis, pituitary adenoma and chondroma were prolonged moderately.

转移瘤、垂体瘤及软骨瘤的T1、T2呈中度延长。

3·Results Most of intracranial chondroma were located at the position of junctura cartilaginea of basicranial skeleton.

结果颅内软骨瘤主要发生在颅底软骨的结合处。

4·Chondroma of soft parts also affects the hands but it is usually well circumscribed and has more well developed chondroid differentiation.

软组织的软骨瘤也会影响手部，但是通常此瘤界限清楚，有很多发育良好的软骨样分化。

5·Chondroma of soft parts also affects the hands, but it is usually well circumscribed and has more well developed chondroid differentiation.

软组织的软骨瘤也会影响手部，但是通常此瘤界限清楚，有很多发育良好的软骨样分化。

6·Conclusion The ultrastructure characteristics support that the origin of intracranial chondroma is brephic embryonic rest of osteoprogenitor cells in the basicranial periost.

论颅内软骨瘤由不典型的软骨细胞组成，超微结构检查显示其来源于软骨骨膜内残留的骨祖细胞。