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
Langerhans cell shows which of these?
assistant
The correct answer is  d. Birbeck's granules(Ref: Nelson's 20/e p 2484-2489; Ghai 8/e p 620-623)Tennis racquet and not badminton racquet appearance is seen in EM of LCH; LCH is positive for CD1a and S100.