title: Pathology of histiocytosis X.
mesh_terms: D001842:Bone and Bones / Q000473:pathology; D003937:Diagnosis, Differential; D006646:Histiocytosis, Langerhans-Cell / Q000276:immunology / Q000401:mortality / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D007801:Langerhans Cells / Q000648:ultrastructure; D008168:Lung / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D011379:Prognosis; D012867:Skin / Q000473:pathology