More Neurofibromatosis Information
Neurofibromatosis Definition
Definition
Neurofibromatosis (NF) is a genetic disorder of the nervous system. It causes tumors to grow on the nerves in any part of the body. NF can also produce other abnormalities, such as:
- Changes in skin color
- Deformity of bones
The Nervous System

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There are two types:
- NF1—caused by mutations (or changes) of the neurofibromin gene (more common)
- NF2—caused by mutations of the merlin gene
