It was believed as late as 2002 that Noonan Syndrome with Multiple Lentigines (NSML) was related to neurofibromatosis type I (von Recklinghausen syndrome).
Acreditou-se, tardiamente, em 2002 que a síndrome de Noonan com lentigines múltiplas (NSML) estava relacionada com com a neurofibromatose de tipo I (síndrome de von Recklinghausen).