Genetic and Rare Diseases Information Center (GARD)


Other names people use for this condition
  • NF1
  • Type 1 neurofibromatosis
  • Recklinghausen's Disease
  • Von Recklinghausen disease
  • Neurofibromatosis type I

Neurofibromatosis type 1
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Neurofibromatosis type 1 (NF1) is a disorder of the nervous system that causes tumors to grow around the nerves. Tumors begin in the cells that make up the myelin sheath, a thin membrane that envelops and protects nerve fibers, and often spread into adjacent areas. The type of tumor that develops depends on its location in the body and the kind of cells involved. The most common tumors are neurofibromas, which develop in the tissue surrounding peripheral nerves. Most tumors are non-cancerous, although occasionally they become cancerous over time.  NF1 is the most common form of neurofibromatosis, occurring in 1 in 3,000 to 4,000 individuals in the United States.[1]

References
  1. Neurofibromatosis Fact Sheet. National Institute of Neurological Disorders and Stroke Website. 2007 Available at: http://www.ninds.nih.gov/disorders/neurofibromatosis/detail_neurofibromatosis.htm. Accessed December 9, 2008.

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