title: An infant ill with a systemic disease and swollen gums.
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D005260:Female; D005882:Gingival Diseases / Q000473:pathology; D006646:Histiocytosis, Langerhans-Cell / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D007223:Infant; D008198:Lymph Nodes / Q000473:pathology; D009912:Oral Manifestations