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What is A patient presenting with tense bullae on erythematous base. On histopathological examination following can be seen? and explain in detail?
Ans. is 'b' i.e., Sub epidermal split * Tense bullae on erythematous base on erythematous base are characteristic presentation of bullous pemphigoid. Bullous pemphigoid is a sub epidermal blistering disorder.* Characteristic histopathological finding of BP is sub epidermal split with relatively normal epidermis and mixed inflammatory infiltrate consisting of numerous eosinophils, mononuclear cells and few neutrophills.