The NF1, RET, and VHL genes, which were identified in the 1990s, are associated with neurofibromatosis type 1 (NF1), multiple endocrine neoplasia type 2 (MEN2A), and von Hipple-Lindau (VHL) disease, respectively [2]. The gene discussed is NF1; the disease is multiple endocrine neoplasia type 2.