magnetic resonance imaging of lumbar spine: caudal mass of L1 vertebra with isointense T2 signal
magnetic resonance imaging of lumbar spine: caudal mass of l1 vertebra with isointense t2 signal
L-spine MRI T2-weighted osseous mass isointense signal L1 caudal
l-spine mri t2-weighted osseous mass isointense signal l1 caudal