magnetic resonance imaging of lumbar spine: paraspinal mass of L1 vertebra with hypointense T2 signal
magnetic resonance imaging of lumbar spine: paraspinal mass of l1 vertebra with hypointense t2 signal
magnetic resonance imaging of lumbar spine: paraspinal mass of L1 vertebra with hypointense T2 signal
magnetic resonance imaging of lumbar spine: paraspinal mass of l1 vertebra with hypointense t2 signal