title: Letterer-Siwe disease in a young adult.
mesh_terms: D000293:Adolescent; D001639:Bicarbonates / Q000097:blood; D005260:Female; D005334:Fever; D006529:Hepatomegaly; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology; D010033:Otitis Media; D011188:Potassium / Q000097:blood; D012867:Skin / Q000473:pathology; D012964:Sodium / Q000097:blood; D013163:Splenomegaly; D014508:Urea / Q000097:blood
chemical_list: D001639:Bicarbonates; D014508:Urea; D012964:Sodium; D011188:Potassium