997. p.355. 25 Vishteh AG Schievink WI Baskin JJ Sonntag VK. Cervical bone spur presenting with spontaneous intracranial hypotension. Case report. J Neurosurg 1998. 89:483. 26 Eross EJ Dodick DW Nelson KD et al. Orthostatic headache syndrome with CSF leak secondary to bony pathology of the cervical spine.