magnetic resonance imaging of lumbar spine: mass of right side of L4 vertebra with isointense signal intensity (S/I) ratio
magnetic resonance imaging of lumbar spine: mass of right side of l4 vertebra with isointense signal intensity (s/i) ratio
L-spine MRI osseous mass signal intensity (S/I) ratio isointense L4 right side
l-spine mri osseous mass signal intensity (s/i) ratio isointense l4 right side