Langerhans cell shows which of these?: (A) Badminton racquet appearance, (B) CD100a, (C) MPO +, (D) Birbeck's granules
Answer is D. 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.