A form of neurosyphilis characterized by slowly progressive degeneration of the spinal cord. Signs and symptoms include pain, ataxia, loss of coordination, personality changes, blindness, urinary incontinence, dementia, and degeneration of the joints. The disease is Monarch Disease Ontology entry MONDO_0005977 (tabes dorsalis). Also known as: posterior spinal sclerosis, tabes dorsalis - neurosyphilis.