Papulosquamous & Vesiculobullous Disorders · NEET PG Preparation Dermatology
A 35-year-old man presents with well-demarcated erythematous plaques covered by silvery-white scales predominantly on his extensor surfaces and scalp…
Practice question from Papulosquamous & Vesiculobullous Disorders (NEET PG Preparation Dermatology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-1DDEE9
A 35-year-old man presents with well-demarcated erythematous plaques covered by silvery-white scales predominantly on his extensor surfaces and scalp. Which of the following histological findings is most characteristic of this condition?
- A.Suprabasal clefting with acantholysis
- B.Subepidermal blister with eosinophils
- C.Acanthosis with Munro microabscesses and parakeratosisCorrect answer
- D.Dyskeratosis and civatte bodies in the lower epidermis
Solution
Psoriasis is characterized histologically by epidermal hyperplasia (acanthosis), thinning of the suprapapillary plates, parakeratosis (retention of nuclei in the stratum corneum), elongation of dermal papillae, and the presence of neutrophils in the stratum corneum forming Munro microabscesses.
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