magnetic resonance imaging of lumbar spine: caudal mass of L4 vertebra with hyperintense T1 signal
magnetic resonance imaging of lumbar spine: caudal mass of l4 vertebra with hyperintense t1 signal
spine magnetic resonance imaging T1-weighted lumbar osseous mass hyperintense signal L4 caudal
spine magnetic resonance imaging t1-weighted lumbar osseous mass hyperintense signal l4 caudal