Letterer-Siwe disease

Also known as: Unifocal Langerhans-cell histiocytosis / Multifocal and multisystemic (disseminated) Langerhans-cell histiocytosis / Langerhans cell histiocytosis, disseminated (morphologic abnormality) / Langerhans cell histiocytosis, disseminated (disorder) / Chronic idiopathic xanthomatosis / Langerhans' cell granulomatosis / Langerhans' cell histiocytosis / Langerhans' cell histiocytosis (morphologic abnormality) / Histiocytosis, Langerhans-Cell / Langerhans cell histiocytosis (disorder)