(来学网)儿童患者,MRI诊断寰枢椎半脱位,齿状突至环椎前弓的距离大于 ( )
  • A.
    (来学网)0.5mm
  • B.
    (来学网)1.0mm
  • C.
    (来学网)1.5mm
  • D.
    (来学网)2.0mm
  • E.
    (来学网)4.0mm