Clinical Spectrum of Oral Secondary Syphilis in HIV-Infected Patients
Figure 4
Secondary syphilis. H&E stain (4x) shows a psoriasiform and lichenoid lymphoplasmacytic estomatitis with neutrophilic microabscesses in the stratum corneum (a), Warthin Starry stain (10x) shows a spirochete within the epithelium (dark small arrow) (b), and Treponema pallidum antibody (20x) shows multiple spirochetes within the epithelium (c).
