magnetic resonance imaging of cervical spine: cephalad mass of C1 vertebra enhanced with gadolinium
magnetic resonance imaging of cervical spine: cephalad mass of c1 vertebra enhanced with gadolinium
magnetic resonance imaging of cervical spine: cephalad mass of C1 vertebra enhanced with gadolinium
magnetic resonance imaging of cervical spine: cephalad mass of c1 vertebra enhanced with gadolinium