system
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 50 years old man has a 2 year history of facial bullae & oral ulcers. Microscpic smear from skin lesions is most likely to disclose -
assistant
The correct answer is  B. i.e. Acantholytic cell