Plaques en Prairie Fauchée Tongue Lesions in Secondary Syphilis
Abstract
A 29-year-old man with well-controlled HIV presented with a painful whitish discoloration on his tongue and reported a history of genital ulcers. Physical examination revealed characteristic pink macules on the posterior tongue surrounded by a white coating. Initial treatment for presumed candidiasis failed. Serologic testing later confirmed secondary syphilis, and a diagnosis of “plaques en prairie fauchée” tongue lesions was made. The patient responded well to a single dose of penicillin G benzathine. This case illustrates the diagnostic challenge of oral syphilis and highlights the importance of considering it in the differential for unusual oral lesions.
Keywords:
secondary syphilis
oral lesions
plaques en prairie fauchée
tongue lesions
HIV
Treponema pallidum
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