is a neurofibromatosis exist on adult

Yes, neurofibromatosis can occur in adults. It is a genetic disorder that causes tumors to form on nerves throughout the body. There are different types of neurofibromatosis, including neurofibromatosis type 1 (NF1) and neurofibromatosis type 2 (NF2). NF1 is typically diagnosed in childhood but can also be diagnosed later in adulthood. NF2 is less common and is usually diagnosed in adulthood. Neurofibromatosis can affect individuals of any age.