NCIt definition : A premalignant neurofibromatous neoplasm characterized by the presence of at least
two of the following features: cytologic atypia, hypercellularity, less than 3 mitotic
figures per 10 HPFs, and loss of neurofibroma architecture. It is associated with
an increased risk of progression to malignant peripheral nerve sheath tumor.;
Neoplastic status : Uncertain Malignant Potential;