1. Granulomatous secondary syphilis: Another diagnostic pitfall for the dermatopathologist.
- Author
-
Jin, Annie, McLarney, Brett D., Hsu, Sylvia, and Lee, Jason B.
- Subjects
SYPHILIS ,TREPONEMA pallidum ,PLASMA cells ,DELAYED diagnosis ,DERMATOMYOSITIS ,IMMUNOSTAINING ,POLYMYOSITIS - Abstract
Syphilis is growing ever more prevalent in the United States with its incidence rising every year. Dermatopathologists need to maintain a high index of suspicion to avoid delayed diagnosis of this treatable disease. Accordingly, it is imperative to be aware of its myriad of presentations--including secondary syphilis with granulomatous inflammation. Most cases show aggregations of epithelioid histiocytes associated with plasma cells. Other patterns include an interstitial granuloma-annulare-like pattern, sarcoidal, and tuberculoid pattern. Immunohistochemical stains for Treponema pallidum may be negative, especially in late secondary or tertiary syphilis. We present a case of nodular secondary syphilis with granulomatous inflammation with negative T. pallidum staining. [ABSTRACT FROM AUTHOR]
- Published
- 2023
- Full Text
- View/download PDF