title: Thymic involvement in acute disseminated histiocytosis X.
mesh_terms: D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000000981:diagnostic imaging*; D006801:Humans; D007223:Infant; D008206:Lymphatic Diseases / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D013950:Thymus Gland / Q000000981:diagnostic imaging*