结果：脊索瘤的低场MRI的主要表现有：肿瘤信号变化，肿瘤形态改变，骨质破坏，周围血管侵蚀及肿瘤外周侵犯等。
Results: The chief characteristics of chordoma in low field MRI were: tumor signal change, tumor shape transformation, bone destruction, the perivascular erosion , etc.
如果与活动、饮食变化无关，是消化系统肿瘤信号。
If and activities, independent of dietary changes, is the digestive system cancer signal.
但椎管内神经鞘膜肿瘤的MR信号变化与脊膜瘤和室管腆窟无法区分。
However, the changes of MR signal intensity of neurinoma are not distinguishable with those of meningioma and ependymoma in the spinal canal.
少数纯瘤株移植瘤结节内见巨噬细胞是肿瘤免疫应答的结果，SPIO增强MRI信号变化可作为评价肿瘤免疫的方法。
The results suggest that macrophages in several of transplantation tumor lesions and changes of SPIO-enhanced MRI signal can be used as the method of evaluating the tumor immunological responses.
少数纯瘤株移植瘤结节内见巨噬细胞是肿瘤免疫应答的结果，SPIO增强MRI信号变化可作为评价肿瘤免疫的方法。
The results suggest that macrophages in several of transplantation tumor lesions and changes of SPIO-enhanced MRI signal can be used as the method of evaluating the tumor immunological responses.
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