Neurosyphilis

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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. Neurosyphilis may present a variety of symptoms that depend on the affected structure of the central nervous system. While early neurosyphilis is often asymptomatic, meningitis is the most common neurological presentation of the early stage. Late neurosyphilis typically involves the brain and spinal cord parenchyma, manifesting as tabes dorsalis and general paresis. Tertiary syphilis can involve several different organ systems, though neurosyphilis may occur at any stage of infection. Clinical history, a physical neurological examination, and a lumbar puncture to obtain cerebrospinal fluid (CSF) for analysis are crucial for diagnosing neurosyphilis. There is no single laboratory test to confirm the diagnosis of neurosyphilis...

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