title: [Two cases of reactive histiocytosis complicated with malignant lymphoma].
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006258:Head and Neck Neoplasms / Q000150:complications* / Q000473:pathology; D006801:Humans; D008113:Liver Neoplasms / Q000150:complications* / Q000473:pathology; D008206:Lymphatic Diseases / Q000209:etiology*; D008223:Lymphoma / Q000150:complications* / Q000473:pathology; D009378:Neoplasms, Multiple Primary / Q000473:pathology