脊髓mri检查显示不同节段脊髓长t 1长t2信号，病变主要位于胸段脊髓，累及节段较长。

MRI of spinal cord revealed long T1 and T2 signal in different segments, the lesions mainly located in thoracic segments, and were relatively longer.

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脊髓mri检查显示不同节段脊髓长t 1长t2信号，病变主要位于胸段脊髓，累及节段较长。

MRI of spinal cord revealed long T1 and T2 signal in different segments, the lesions mainly located in thoracic segments, and were relatively longer.

youdao