A 35 year old sailor from a merchant ship that has been cruising the Caribbean presents to a clinician because of painful, flocculent masses in his groin. Physical examination demonstrates multiple enlarged, abscessed lymph nodes draining through the skin indolent sinuses. The sailor describes previously having a small papular lesion on his penis that spontaneously resolved. Which of the following is the most likely diagnosis?

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Vikas Bhardwaj
Medical Technologist, AIIMS New Delhi
Updated: Apr 17, 2026