magnetic resonance imaging of lumbar spine: periosseous mass of L1 vertebra with hypointense T1 signal
magnetic resonance imaging of lumbar spine: periosseous mass of l1 vertebra with hypointense t1 signal
magnetic resonance imaging of lumbar spine: periosseous mass of L1 vertebra with hypointense T1 signal
magnetic resonance imaging of lumbar spine: periosseous mass of l1 vertebra with hypointense t1 signal