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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 24 yr-old female has flaccid bullae over the skin and oral erosions. Histopathology shows intraepidermal blister with acantholytic cells. Diagnosis is:
assistant
The correct answer is  The features of intaepidermal acantholytic blisters coupled with flacid bullae over skin and oral erosions points towards P. vulgaris. The other 3 diseases do now show intraepidermal blistering. They are devoid of mucosal involement. Erythema Multiforme: Target lesion seen on distal extremeties. If mucosa involved it is called as Epidermal Multiforme Major Dermatitis herpetiformis: Extremely pruritic vesicopapules over extensors Pemphigoid: Tense bullae