<prompt> Tabes dorsalis is seen in:-Primary syphilisSecondary syphilisTeiary syphilisLatent syphilis  <response>: Tabes dorsalissyphilitic myelopathy- slow degeneration of the nerves primarily in the dorsal columns of the spinal cord These nerves- maintain a persons sense of position, vibration, and discriminative touch. Tabes dorsalis is caused by demyelination caused by advanced syphilis infection teiary syphilis, when the primary infection by Treponema pallidum is left untreated for an extended period of time 