Identification of Pre-Malignant Lesions In Pediatric Patients With Neurofibromatosis Type 1 Using Novel Magnetic Resonance Imaging Techniques Paired With Artificial Intelligence

Inclusion Criteria: * Between the ages of 5 and \<18 years at the start of study. If subject will turn 18 during the study, they will be allowed to enroll. * Clinically or molecularly confirmed diagnosis of NF-1. Subjects with mosaic/segmental NF-1 also qualify for the study. Exclusion Criteria: * Requiring sedation for imaging. * Implants and/or Devices: Mechanical, magnetic or electrical activated implants; Ferromagnetic implants and foreign bodies * Claustrophobia, problems being in enclosed spaces, or inability to lie facing upwards. * Allergy to animal dander or animal-instigated asthma.