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Chromoblastomycosis — SCE Infectious Diseases MCQ

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HardTropical & Imported InfectionsChromoblastomycosisSCE Infectious Diseases

A chronic verrucous plaque acquired in the tropics contains brown muriform “sclerotic” bodies on histology. Which diagnosis best fits?

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Correct answer: B — Chromoblastomycosis caused by dematiaceous fungi with review after review with follow-up

The best answer is “Chromoblastomycosis caused by dematiaceous fungi with review after review with follow-up”. Muriform or Medlar bodies are the characteristic tissue form of chromoblastomycosis; treatment is prolonged and may combine antifungals with physical methods. “Mycetoma without grains or sinuses” is less appropriate because it conflicts with the clinical discriminator or cited guidance. “Cutaneous leishmaniasis with amastigotes” is less appropriate because it conflicts with the clinical discriminator or cited guidance. “Sporotrichosis with cigar-shaped yeast” is less appropriate because it conflicts with the clinical discriminator or cited guidance. “Lymphatic filariasis causing lymphoedema” is less appropriate because it conflicts with the clinical discriminator or cited guidance.

Reference: WHO chromoblastomycosis fact sheet: https://www.who.int/news-room/fact-sheets/detail/chromoblastomycosis