Nasu–Hakola disease also known as<unk>  is a rare disease characterised by early-onset dementia and multifocal bone cysts. It is caused by autosomal recessive loss of function mutations in either the TREM2 or TYROBP gene that are found most frequently in the Finnish and Japanese populations.
Polycystic lipomembranous osteodysplasia with sclerosing leukoencephalopathy
Chronic multifocal Langerhans cell histiocytosis
Terminal osseous dysplasia with pigmentary defects
Generalized arterial calcification of infancy
Diffuse idiopathic skeletal hyperostosis
Diffuse capillary malformation with overgrowth
Fibrous hamartoma of infancy
Melanotic neuroectodermal tumor of infancy