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Neurofibromatosis Type 1 (NF-1 von Recklinghausen's)

Neurofibromatosis Type 1 (NF-1 von Recklinghausen's): group of inherited disorders in which noncancerous tumors grow on several nerves that may include the hearing nerve. The symptoms of NF-1 include coffee-colored spots on the skin, enlargement, deformation of bones, and neurofibromas.