Accidental intrathecal administration of vincristine.

Vincristine is a chemotherapeutic agent used in the treatment of various neoplastic diseases. Its neurotoxicity after therapeutic and pharmacologic doses has been well documented. We report a case of accidental intrathecal administration of vincristine in order to describe the complications seen, discuss possible means of therapeutic intervention, and serve as a reminder that preventive measures are mandatory to avoid such accidents in the future.