<prompt> Langerhans cell shows which of these?Badminton racquet appearanceCD100aMPOBirbecks granules  <response>: d. Birbecks granulesRef: Nelsons 20e p 2484-2489; Ghai 8e p 620-623Tennis racquet and not badminton racquet appearance is seen in EM of LCH; LCH is positive for CD1a and S100. 