<prompt> Geographic lytic lesions in vault of skull with bevelled edges are seen withMultiple myelomaEosinophilic granulomaHyperparathyroidismReticular cell CA  <response>: B i.e. Eosinophillic Granuloma Features Disorder Geographic lytic skullQ Eosinophillic granulomaHand? Veebrae planaQ Schuller Christian ds Histocytosis 