病例男,37岁,发现右颈上部包块10余年,双手麻木无力、双下肢活动不灵2年余。查体右颈部可触及约3cm×3cm包块,压痛(-)。T2水平以下痛觉减弱,四肢肌张力增高,肌力减低。颈椎M RI显示:C2～3水平可见一累及椎管内外间隙巨大不规则形软组织影,边界清楚,信号明显不均,T1W I呈等信号, Male, 37 years old, found the right upper cervical mass more than 10 years, his hands numbness weakness, lower extremity activities are not working more than 2 years. Physical examination of the right neck can reach about 3cm × 3cm mass, tenderness (-). T2 below the level of pain weakened, limb muscle tension increased, muscle strength decreased. Cervical M RI showed: C2 ~ 3 levels can be seen involving the huge irregular internal and external spinal canal soft tissue, the border is clear, the signal was significantly uneven, T1WI was equal signal,