magnetic resonance imaging of lumbar spine: caudal mass of L1 vertebra with hypointense T2 signal
magnetic resonance imaging of lumbar spine: caudal mass of l1 vertebra with hypointense t2 signal
spine magnetic resonance imaging T2-weighted lumbar osseous mass hypointense signal L1 caudal
spine magnetic resonance imaging t2-weighted lumbar osseous mass hypointense signal l1 caudal