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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). In …
Contributors All the listed authors contributed significantly to the manuscript preparation.
Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent Detail has been removed from this case description/these case descriptions to ensure anonymity. The editors and reviewers have seen the detailed information available and are satisfied that the information backs up the case the authors are making.
Provenance and peer review Not commissioned; externally peer reviewed.