Phakomatoses part I: Neurofibromatosis type 1: Common and uncommon neuroimaging findings

Neurofibromatosis type I (NF-1) belongs to a family of diseases named phako matoses, which are characterized by congenital malformations of ectodermal structures. Neurofibromatosis type I affects 1 in 3000 people, and has a di verse clinical presentation as well as an array of imaging findings. In thi s article the authors review the various neuroimaging findings present in N F-1, including abnormalities of the parenchyma, meninges, vessels, and asso ciated neoplasms.