magnetic resonance imaging of lumbar spine: mass of medial aspect of L3 vertebra with hypointense T1 signal
magnetic resonance imaging of lumbar spine: mass of medial aspect of l3 vertebra with hypointense t1 signal
spine magnetic resonance imaging T1-weighted lumbar osseous mass hypointense signal L3 medial
spine magnetic resonance imaging t1-weighted lumbar osseous mass hypointense signal l3 medial