Neurofibromatoses are a set of inherited disorders, designated as neurofibromatosis type 1 (NF1), neurofibromatosis type 2 (NF2), and schwannomatosis, that tend to result in the development of benign tumors of the nerve sheath. The 3 entities are distinguished by specific clinical features and are due to mutations in distinct genes (Table 1). Neurofibromatosis type 1 is the most common of the d...