magnetic resonance imaging of cervical spine: mass of C1 vertebra with hypointense T2 signal
magnetic resonance imaging of cervical spine: mass of c1 vertebra with hypointense t2 signal
cervical spine MRI T1-weighted osseous mass T2 image hypointense signal at C1 vertebra
cervical spine mri t1-weighted osseous mass t2 image hypointense signal at c1 vertebra