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General paresis, also known as general paralysis of the insane (GPI), paralytic dementia, or syphilitic paresis is a severe neuropsychiatric disorder, classified as an organic mental disorder, and is caused by late-stage syphilis and the chronic meningoencephalitis and cerebral atrophy that are associated with this late stage of the disease when left untreated.
Neurosyphilis is the infection of the central nervous system by Treponema pallidum, the bacterium that causes the sexually transmitted infection syphilis.In the era of modern antibiotics, the majority of neurosyphilis cases have been reported in HIV-infected patients.
Syphilis (/ ˈ s ɪ f ə l ɪ s /) is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum. [1] The signs and symptoms depend on the stage it presents: primary, secondary, latent or tertiary.
Meningeal syphilis (as known as syphilitic aseptic meningitis or meningeal neurosyphilis) is a chronic form of syphilis infection that affects the central nervous system. Treponema pallidum , a spirochate bacterium, is the main cause of syphilis, which spreads drastically throughout the body and can infect all its systems if not treated ...
Tabes dorsalis is caused by demyelination by advanced syphilis infection (tertiary syphilis) when the primary infection by the causative spirochete bacterium, Treponema pallidum, is left untreated for an extended period of time (past the point of blood infection by the organism). [3]
The term "crazy" (from Middle English meaning cracked) and insane (from Latin insanus meaning unhealthy) came to mean mental disorder in this period. The term "lunacy", long used to refer to periodic disturbance or epilepsy, came to be synonymous with insanity. "Madness", long in use in root form since at least the early centuries AD, and ...
The major treponeme species of human pathogens is Treponema pallidum, whose subspecies are responsible for diseases such as syphilis, bejel, and yaws. Treponema carateum is the cause of pinta. [2] Treponema paraluiscuniculi is associated with syphilis in rabbits. [3]
In syphilis, the gumma is caused by a reaction to spirochaete bacteria in the tissue. It appears to be the human body's way to slow down the action of this bacteria; it is a unique immune response that develops in humans after the immune system fails to kill off syphilis. [citation needed]