A 30 years old male presented with silvery scales on elbow and knee, that bleed on removal. The probable diagnosis is –
Correct Answer: Psoriasis
Description: Morphology of papules/plaques in various papulosquamotas disorders
Psoriasis - Erythematous papules and plaques on extensors (elbow & knee
Lichen planus - Violaceous papules with Wickham's striae an flexural surface
Pityriasis rosea - Annular plaques on Trunk
Seborrheic dermatitis - Yellowish, follicular papules on scalp and face
Pityriasis rubra pilaris - Erythematous follicular papules on Trunk & dorsum of hand
Secondary syphilis - Dusky erythematous papules
Pityriasis lichenoides et varioliformis acuta - Erythematous edematous papules surmounted by vesicles/crust
Coming to question
Clues in this question are :-
Characterstic scales → silver scale
Involvement of elbow & knee
Bleeding on scale removal → Auspitz sign
Category:
Dental
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