magnetic resonance imaging of thoracic spine: intramedullary mass of cord with signal intensity (S/I) ratio
magnetic resonance imaging of thoracic spine: intramedullary mass of cord with signal intensity (s/i) ratio
T-spine MRI spinal cord mass intramedullary S/I (signal intensity) ratio
t-spine mri spinal cord mass intramedullary s/i (signal intensity) ratio