the authors report the case of a young female patient submitted to chemonucleolysis at l4-5 with collagenase , in whom severe tissue lesions affecting the cartilaginous end-plate , the vertebral bone , the posterior intervertebral ligament , the epidural fat , and the dura mater were verified at laminectomy , which had become necessary due to functional motor deterioration .
C0549207
vertebral bone
C0022983
laminectomy