MCQ MAHE 2000 Dermatology Answer 1
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Psoriasis: common scaling dermatosis; may be assoc. w/ arthritis; Variants include: classic plaque (mica-like silvery); guttate (eruptive process w/ small scaly papules – assoc w/ strep pyogenes); erythrodermic (red scaly skin); pustular (pustules in red plaques); pinpoint bleeding when scale is removed is Auspitz sign; nail dystrophies = 30% of patients
M: regular acanthosis w/o spongiosis; parakeratotic scale; collections of PMN’s in the epidermal living layer (spongiform pustule) and stratum corneum (Munro’s microabscesses) are pathognomonic.
C: the Koebner phenomenonon = development of psoriasis at a site of non-specific trauma; psoriasis tend to be AD inheritance
Tags: MCQ, Dermatology, Psoriasis
Category: MAHE 2000 MCQs
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