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Plaque psoriasis — MCCQE Part 1 MCQ

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EasyRashPlaque psoriasisMCCQE Part 1

A 35-year-old woman has well-demarcated erythematous plaques with silvery scale on elbows/knees/scalp plus nail pitting. Emollients not helpful. Most appropriate initial pharmacotherapy?

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Correct answer: B — Topical corticosteroids plus calcipotriol

Plaque psoriasis: topical combination (potent steroid + calcipotriol) first-line. Systemic steroids AVOID — rebound flares/pustular psoriasis on withdrawal. Screen for psoriatic arthritis (nail pitting).

Reference: Canadian Psoriasis Guidelines