Spinal arachnoiditis ossificans (AO) is a rare entity, characterized by bony metaplasia of the arachnoid membrane. Many factors have been implicated as favoring this condition, and they are generally related to traumatic, ...

Neurosyphilis results from infection of the brain, meninges or spinal cord by Treponema pallidum and develops in about 25%-40% of persons who are not treated for syphilis. Some patients with neurosyphilis present with ...