<unk>  is caused by mutations in the neuroblastoma-derived V-myc avian myelocytomatosis viral-related oncogene (MYCN) which is located on the short arm of chromosome 2 (2p24.1). This syndrome has also been linked to microdeletions in the MIR17HG locus which encodes a micro RNA cluster known as miR-17/92.
Feingold syndrome
Larsen syndrome
Jeavons syndrome
Patterson syndrome
Sopite syndrome
Burnside–Butler syndrome
Costeff syndrome
Dressler syndrome