A 30-year-old man presented with 1-month history of asymptomatic, reddish, scaly plaques over his palms and soles for which he was being treated for palmoplantar psoriasis. On examination, a painless indurated ulcer (primary chancre) was noted on the upper labial mucosa. Oral mucosa had snail track ulcers and mucous patches. There were split papules at the angles of mouth and alar creases. Erythematous papules were also present over the body, coalescing at flexures to form moist plaques (condyloma lata)....... To read the full article, log in using your NHS OpenAthens details.