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Nomenclature and Classification of Lumbar Disc Pathology

(Figure 13)
Schematic representation of various types of posterior central herniations. A, Small sub-ligamentous herniation (or protrusion) without significant disc material migration. B, Sub-ligamentous herniation with downward migration of disc material under the posterior longitudinal ligament (PLL). C, Sub-ligamentous herniation with downward migration of disc material and sequestered fragment (arrow). (From Milette PC. Classification, diagnostic imaging and imaging characterization of a lumbar herniated disc. Radiol Clin North Am 2000; 38:1267-1292)
| Preface | Introduction | Recommendations | Discussion (part 1) |
| Discussion (part 2) | Glossary | References | Appendix |