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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.
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.
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.
The deep tendon reflexes are also diminished or absent; for example, the "knee jerk" or patellar reflex may be lacking (Westphal's sign). A complication of tabes dorsalis can be transient neuralgic paroxysmal pain affecting the eyes and the ophthalmic areas, previously called "Pel's crises" after Dutch physician P.K. Pel .
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 ...
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 ...
The history of syphilis has been well studied, but the exact origin of the disease was the source of debate until archaeological and genetic evidence showed conclusively it originated in the Americas.
A chancre (/ ˈ ʃ æ ŋ k ər / SHANG-kər) [1] is a painless genital ulcer most commonly formed during the primary stage of syphilis. [2] This infectious lesion forms around 21 days after the initial exposure to Treponema pallidum, the gram-negative spirochaete bacterium causing syphilis, but can range from 10 to 90 days. [2]