Clinical Report: Syphilis Presenting as a Metastatic Tumor: A Case Study

Overview

This report details a case of tertiary syphilis presenting as a metastasis-mimicking lesion in a 57-year-old man. It underscores the diagnostic challenges posed by syphilis, particularly in its late stages, where it can resemble malignancy.

Background

Syphilis, caused by Treponema pallidum, can lead to severe complications if untreated, including cardiovascular and neurological manifestations. Tertiary syphilis may present with gummata, which can mimic malignant tumors, complicating diagnosis and management. Recognizing syphilis in such cases is crucial to avoid unnecessary oncologic interventions.

Data Highlights

Key Findings

• A 57-year-old man presented with cervical lymphadenopathy and constitutional symptoms.
• Laboratory tests indicated elevated inflammatory markers and abnormal immunoglobulin levels.
• Imaging revealed lesions suspicious for malignancy, leading to a complex diagnostic process.
• Serological tests ruled out other infections, emphasizing the need for syphilis testing in similar cases.
• Tertiary syphilis can mimic malignancy, highlighting the importance of including it in differential diagnoses.

Clinical Implications

Clinicians should maintain a high index of suspicion for syphilis in patients presenting with atypical lymphadenopathy or lesions that mimic malignancy. Early serologic testing and awareness of syphilis's varied presentations can prevent misdiagnosis and ensure appropriate treatment.

Conclusion

This case illustrates the diagnostic challenges posed by tertiary syphilis and the importance of considering it in differential diagnoses for metastatic disease presentations. Timely recognition and treatment can significantly alter patient outcomes.

Related Resources & Content

1. Condyloma Lata in an HIV-Positive Patient with Secondary Syphilis Presenting as Anal Condyloma: A Case Study, Springer, 2024 -- https://link.springer.com/article/10.1007/s00384-024-04678-9
2. Mesorectal Solitary Fibrous Tumor: A Case Report and Review of Transanal Minimally Invasive Surgical Resection Literature, Springer, 2024 -- https://link.springer.com/article/10.1007/s00384-024-04658-z
3. Case Series and Systematic Review of Metastatic Meningioma, Springer, 2023 -- https://link.springer.com/article/10.1007/s00701-023-05687-3
4. Understanding Syphilis Pathogenesis: The Interaction Between Host Immune Responses and Pathogen Evasion Mechanisms, The Journal of Infectious Diseases, 2023 -- https://academic.oup.com/jid/article/232/4/760/8212102
5. When syphilis imitates cancer: a case of misdiagnosed cutaneous T-cell lymphoma, PMC, 2026 -- https://pmc.ncbi.nlm.nih.gov/articles/PMC13033451/
6. Syphilis - STI Treatment Guidelines, CDC, 2023 -- https://www.cdc.gov/std/treatment-guidelines/syphilis.htm?utm_source=openai
7. Updates on Bicillin L-A Shortage | CDC NCHHSTP
8. Case Report: When syphilis imitates cancer: a case of misdiagnosed cutaneous T-cell lymphoma - PMC
9. Syphilis - STI Treatment Guidelines