magnetic resonance imaging of lumbar spine: cephalad mass of L5 vertebra with hypointense T1 signal
magnetic resonance imaging of lumbar spine: cephalad mass of l5 vertebra with hypointense t1 signal
L-spine MRI T1-weighted osseous mass hypointense signal L5 cephalad
l-spine mri t1-weighted osseous mass hypointense signal l5 cephalad