title: Case 5. Histiocytosis X involving the skin.
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D005500:Follow-Up Studies; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D007231:Infant, Newborn; D007801:Langerhans Cells / Q000276:immunology / Q000648:ultrastructure; D008854:Microscopy, Electron; D012867:Skin / Q000473:pathology / Q000648:ultrastructure; D012871:Skin Diseases / Q000175:diagnosis / Q000473:pathology*; D013601:T-Lymphocytes / Q000276:immunology