neu·​ro·​fi·​bro·​ma·​to·​sis | \ ˌnu̇r-ō-(ˌ)fī-ˌbrō-mə-ˈtō-səs How to pronounce neurofibromatosis (audio) , ˌnyu̇r- \

Definition of neurofibromatosis

: a disorder inherited as an autosomal dominant and characterized especially by brown spots on the skin, neurofibromas of peripheral nerves, and deformities of subcutaneous tissue and bone

Examples of neurofibromatosis in a Sentence

Recent Examples on the Web The drug, called Koselugo, is the first to be approved to treat children suffering from neurofibromatosis type 1 who have tumors within the protective sheaths surrounding their nerves, according to a statement., "GrubHub doesn’t do as well as expected in stay-at-home era," 13 Apr. 2020 The event's purpose is to raise awareness of neurofibromatosis (NF), a genetic disorder that causes tumors to grow on nerves throughout the body. Segann March,, "It doesn't have to be romantic: Quirky ways to celebrate Valentine's Day in Cincinnati," 13 Feb. 2020 The Cupid’s Undie Run in Tuscaloosa benefited the Children’s Tumor Foundation, aimed at finding a cure for neurofibromatosis. Ben Flanagan |, al, "Runners strip for a good cause at Cupid’s Undie Run in Tuscaloosa," 16 Feb. 2020 The event raises money for neurofibromatosis research. Anne Nickoloff, cleveland, "19 last-minute ideas on ways to spend Valentine’s Day in Cleveland," 14 Feb. 2020 Participants will be stripping down to their skivvies (some opt for tutus, swimwear or superhero costumes) and making a quick 1-mile run around downtown Detroit to raise money to fund research about neurofibromatosis, a genetic tumor disorder. Greg Crawford, Detroit Free Press, "Detroit's Top 10: Winter Blast, Dirty Show, King Princess, Dirty Honey, Astronomicon," 5 Feb. 2020 Galvan suffers from neurofibromatosis, a rare skin disease that causes large tumors to grow on nerve tissues, which has plagued him almost his entire life. Eric Todisco,, "Paraguay Man Bullied for His Massive Tumors Has Surgery to Remove 6 Lbs. of Tissue," 14 June 2019 Bliesner was born with type 2 neurofibromatosis, which causes tumors to form in the brain, spinal cord and nerves, Today reported. Char Adams,, "Oregon Woman Gives Birth to Twin Sister's Twin Babies: 'It Was Really a No-Brainer'," 17 June 2019 Nine children were returning to the Portland, Oregon, area from Camp New Friends in Charlottesville, Virginia, which welcomes kids with neurofibromatosis, a genetic condition in which tumors develop in the brain, spinal cord, nerves and skin. Jayme Deerwester, USA TODAY, "Special-needs kids stranded at the airport for 13 hours; American Airlines apologizes," 13 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neurofibromatosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of neurofibromatosis

1896, in the meaning defined above

History and Etymology for neurofibromatosis

neurofibromat-, Greco-Latin stem of neurofibroma + -osis

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Time Traveler for neurofibromatosis

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The first known use of neurofibromatosis was in 1896

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Cite this Entry

“Neurofibromatosis.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

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More Definitions for neurofibromatosis


neu·​ro·​fi·​bro·​ma·​to·​sis | \ -fī-ˌbrō-mə-ˈtō-səs How to pronounce neurofibromatosis (audio) \
plural neurofibromatoses\ -​ˌsēz How to pronounce neurofibromatosis (audio) \

Medical Definition of neurofibromatosis

1 also neurofibromatosis type 1 or neurofibromatosis 1 : an inherited developmental disorder characterized especially by brown spots on the skin that are typically present at birth, neurofibromas of peripheral nerves, and deformities of subcutaneous tissues and bone abbreviation NF, NF-1

called also Recklinghausen's disease, von Recklinghausen's disease

2 also neurofibromatosis type 2 or neurofibromatosis 2 : an inherited disorder characterized by bilateral acoustic neuromas developing in childhood or early adulthood that are typically accompanied by other nonmalignant tumors of the central nervous system abbreviation NF, NF-2

Note: Both types of neurofibromatosis are inherited as an autosomal dominant trait requiring that one parent pass on a copy of the defective gene on a chromosome other than a sex chromosome. Type 1 is much more common than type 2.

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