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Updated: May 17, 2026

Ex Vivo Infection of Human Lymphoid Tissue and Female Genital Mucosa with Human Immunodeficiency Virus 1 and Histoculture
Published on: October 12, 2018
Malignant syphilis with human immunodeficiency virus infection
Jiby Rajan1, P V S Prasad, K Chockalingam
1Department of Dermatology, Venereology and Leprology, RMMCH, Annamalai University, Chidambaram, India.
Malignant syphilis (Lues maligna) is re-emerging due to human immunodeficiency virus (HIV). This case highlights atypical presentations and diagnostic challenges of this severe syphilis form in immunocompromised individuals.
Area of Science:
- Infectious Diseases
- Immunology
- Dermatology
Background:
- Malignant syphilis (Lues maligna) was historically prevalent before antibiotics.
- The resurgence of malignant syphilis is linked to the human immunodeficiency virus (HIV) epidemic.
- HIV-associated immunosuppression creates conditions for atypical and severe presentations of syphilis.
Observation:
- A case of malignant syphilis in a 30-year-old female is presented.
- The patient's presentation was atypical, posing diagnostic challenges.
- The case highlights the complex interplay between HIV infection and Treponema pallidum.
Findings:
- Malignant syphilis can manifest unusually in the context of HIV.
- Early diagnosis and treatment are crucial for managing severe syphilis in immunocompromised patients.
- Penicillin remains an effective treatment for malignant syphilis, even in HIV-positive individuals.
Implications:
- Increased awareness of malignant syphilis is needed among clinicians managing HIV patients.
- Diagnostic protocols should consider atypical presentations of syphilis in immunocompromised individuals.
- This case underscores the importance of prompt treatment for syphilis to prevent severe manifestations.
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