Patient aged 18 or more, or parent of a children

Patient with a neurofibromatosis type 1 or parent of a children with a neurofibromatosis 1 in de novo form

Followed for a neurofibromatosis type 1 de novo at the dedicated consultation in the University Hospital of Brest, since april 2013

Agree to participate

Study About Annoucement of the Diagnosis of Neurofibromatosis 1 in de Novo Forms