Intervertebral disc lesion

General Classification of Disc Lesions

● Normal (excluding aging changes)

● Congenital/developmental variant

● Degenerative/traumatic lesion

Annular tear

Disc Herniation

Protrusion/extrusion

Intravertebral

Degeneration

Spondylosis deformans

Intervertebral osteochondrosis

● Inflammation/infection

● Neoplasia

● Morphologic variant of unknown significance

*Adapted with permission from Milette PC. Classification, diagnostic imaging, and imaging characterization of a lumbar herniated disc. Radiol Clin North AM 2000;38:1267–1292.