男患,52岁,以"椎管内肿瘤"为初步诊断入院,行脊髓碘油造影发现碘油阻塞端深杯口状,

题型:单项选择题

问题:

男患,52岁,以"椎管内肿瘤"为初步诊断入院,行脊髓碘油造影发现碘油阻塞端深杯口状,脊髓变细,移位。()

A.髓内肿瘤

B.髓外硬脊膜内肿瘤

C.硬膜外肿瘤

D.脊髓空洞症

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