performed as a noninvasive procedure , with or without intravenous contrast enhancement , it can be used to diagnose paravertebral soft tissue lesions , constrictive lesions of the bony spinal canal , structure changes of the vertebral column or of individual vertebrae , vascular intraspinal lesions , and intraspinal tumors with abnormally high or abnormally low attenuation values .
C0037922
spinal canal
C0549207
vertebrae