magnetic resonance imaging of lumbar spine: expansile lesion of L4 vertebra with isointense T1 signal
magnetic resonance imaging of lumbar spine: expansile lesion of l4 vertebra with isointense t1 signal
L-spine MRI T1-weighted osseous expansile lesion isointense signal L4
l-spine mri t1-weighted osseous expansile lesion isointense signal l4