The disease is rare. 70% of cases present before the age of 15. Around 75% of cases do not have all three traditional features.
Chronic multifocal Langerhans cell histiocytosis
Progressive nodular histiocytoma
Progressive nodular histiocytosis
Thymoma-associated multiorgan autoimmunity
Skin manifestations of sarcoidosis
Acrokeratoelastoidosis of Costa
AIDS-related lymphoma
Inflammatory myofibroblastic tumour