magnetic resonance imaging of lumbar spine: perineural mass of L4 vertebra with hypointense T1 signal
magnetic resonance imaging of lumbar spine: perineural mass of l4 vertebra with hypointense t1 signal
magnetic resonance imaging of lumbar spine: perineural mass of L4 vertebra with hypointense T1 signal
magnetic resonance imaging of lumbar spine: perineural mass of l4 vertebra with hypointense t1 signal