Spontaneous Cervical Intradural Disc Herniation Associated with Ossification of Posterior Longitudinal Ligament

Figure 5

Intraoperative photograph after removal of the herniated disc fragment. Surgical approach was from the right side. The disc fragment has been removed. The near-intact arachnoid layer is seen as a bleb protruding through the dural tear. There is minimal cerebral spinal fluid leakage. SCM = sternocleidomastoid muscle. Esoph = trachea and esophagus deep to the retractor.