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Mycosis Fungoides — SCE Dermatology MCQ

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HardSkin CancerMycosis FungoidesSCE Dermatology

A patient has indurated alopecic scalp plaques, eyebrow loss and follicular mucinosis. Biopsy shows a folliculotropic CD4-positive infiltrate with cerebriform nuclei. Which diagnosis must be prioritised?

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Correct answer: A — Folliculotropic mycosis fungoides

Folliculotropic mycosis fungoides commonly presents with follicular papules, indurated plaques and alopecia. Follicular mucinosis can be reactive, but an atypical folliculotropic CD4-positive infiltrate and adult infiltrated plaques require clinicopathological assessment for cutaneous lymphoma.

Reference: https://academic.oup.com/bjd/article/180/3/496/6749857