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Updated: May 21, 2026

Procedures for In Vitro Cultivation of Treponema pallidum, the Syphilis Spirochete
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[Neurosyphilis].

Tetsuo Ando1

  • 1Kameda Medical Center, Neurocenter, Department of Neurology.

Brain and Nerve = Shinkei Kenkyu No Shinpo
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PubMed
Summary
This summary is machine-generated.

Neurosyphilis, a central nervous system infection, is resurging globally. Early diagnosis and treatment with penicillin G are crucial to prevent irreversible neurological damage.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Neuroscience

Background:

  • Neurosyphilis is a central nervous system infection caused by Treponema pallidum.
  • It can manifest at any stage of syphilis with varied neurological and psychiatric symptoms.
  • A global resurgence of syphilis has increased the clinical relevance of neurosyphilis.

Purpose of the Study:

  • To review the current understanding of neurosyphilis.
  • To summarize clinical features, diagnostic methods, differential diagnoses, and treatment strategies.
  • To emphasize the importance of timely recognition in neurological practice.

Main Methods:

  • Review of current literature on neurosyphilis.
  • Summary of diagnostic approaches including serological testing and cerebrospinal fluid analysis.
  • Discussion of neuroimaging findings and standard treatment protocols.

Main Results:

  • Neurosyphilis presents with diverse early (meningitis, cranial neuropathies) and late (general paresis, tabes dorsalis) manifestations.
  • Diagnosis relies on clinical suspicion, serology, and cerebrospinal fluid analysis, supported by neuroimaging.
  • Intravenous high-dose penicillin G is the standard treatment, with early intervention being key.

Conclusions:

  • Timely recognition and treatment of neurosyphilis are essential to prevent irreversible neurological damage.
  • The resurgence of syphilis necessitates increased awareness and vigilance for neurosyphilis in clinical practice.
  • This review provides a comprehensive overview for contemporary neurological practice.