Blood Culture-Negative Cardiovascular Syphilis in an Untreated HIV-Positive Man

08 January 2026 : Case report USA

Challenging differential diagnosis, Clinical situation which can not be reproduced for ethical reasons, Rare coexistence of disease or pathology

Habib Behjatnia^{ABCDE 1}, Antonio Crespo^{CDE 2}, Yiliam Castillo^{CEF 2}, Liorge Dominguez^{ABE 2}, Stephen J. Carlan

^{BDEF 3*}

DOI: 10.12659/AJCR.949796

Am J Case Rep 2026; 27:e949796

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Figure 1 Echocardiogram of the patient’s aortic valve. The arrow shows a mass measuring 0.25×1.77 cm on the non-coronary cusp.

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