Figure 4.
Intramedullary tissue surgically removed. A solid white material mixed with hematoma is observed. (b,c) Histological appearance of the material. Fragments of degenerate cartilaginous tissue (black arrows) consistent with cartilaginous metaplastic degeneration of IVD nucleus pulposus. Adjacent abondant fibrinohemorragic material (yellow stars). Haematoxylin and eosin stain. (a) x5. (b) x20.