Pathology Localised langerhans cells histiocytosis affecting head & neck is ? A Letterer-siwe disease B Pulmonary langerhans cell histiocytosis C Hand-schuller-christian disease D Eosinophilic granuloma π‘ Explanation Localised langerhans cells histiocytosis affecting head & neck is ? β Correct Answer: D. Eosinophilic granuloma