Incidence and clinical impact of vertebral endplate changes after limited lumbar microdiscectomy and implantation of a bone-anchored annular closure device

摘要

Demonstration of the nomenclature of upper and lower endplate changes in relation to the vertebra. a ACD anchor implanted in the inferior endplate of L4 with EPC in the upper endplate of L5. b ACD anchor in the superior endplate of L5 with EPC in the lower EP of L4. EPC Endplate changes, EP Endplate