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