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The mean age of onset of acoustic neuroma in NF2 is 31 years of age versus 50 years of age for sporadic acoustic neuromas.

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14y ago

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When should a diagnosis of NF2 be considered?

should be considered in someone under the age of 40 who has a unilateral acoustic neuroma. Someone with a unilateral acoustic neuroma and other family members diagnosed with NF2 probably is affected with NF2


What is an acoustic neuroma caused by?

caused by a change or absence of both of the NF2 tumor suppressor genes in a nerve cell. Every person possesses a pair of NF2 genes in every cell of their body including their nerve cells


Why are genetic specialists called in after a diagnosis of acoustic neuroma is made?

The purpose of this evaluation is to obtain a detailed family history and check for signs of NF2. If NF2 is strongly suspected then DNA testing may be recommended


How do bilateral acoustic neuromas usually occur?

occur as part of a hereditary condition called Neurofibromatosis Type 2 (NF2). A person with NF2 has inherited a predisposition for developing acoustic neuromas and other tumors of the nerve cells


What is the NF2 gene responsible for?

The NF2 gene is responsible for helping to prevent the formation of tumors in the nerve cells. In particular the NF2 gene helps to prevent acoustic neuromas


What is missing in a person with NF2?

A person with NF2 is typically born with one unchanged and one changed or missing NF2 gene in every cell of their body. Sometimes they inherit this change from their mother or father


What is the chemical formula for nitrogen difluoride?

The chemical formula for nitrogen difluoride is NF2.


Is there a connecton between Neurofibromatosis type 2 and plantar fascial fibromatosis?

Neurofibromatosis type 2 (NF2) and plantar fascial fibromatosis are distinct conditions with different underlying mechanisms. NF2 is a genetic disorder characterized by the growth of tumors on the nerves, primarily affecting the central nervous system, due to mutations in the NF2 gene. Plantar fascial fibromatosis, on the other hand, involves the thickening of the plantar fascia due to abnormal fibroblast proliferation and is not directly linked to NF2. While both conditions can involve fibrous tissue growth, there is no established direct connection between them.


What chromosome does Neurofibromatosis effects?

WOW!! That guy is amazing. A chicken? Histerical, Neurofibromatosis affects only chromosome number 23. It also will affect the brain and is an autosomal dominant genetic disorder.It is when your chromosome has a chicken.


Neurofibromatosis 2?

DefinitionNeurofibromatosis 2 (NF2) is a genetic disorder in which tumors form on the nerves of the brain and spine (the central nervous system).See also: Neurofibromatosis 1(NF1)Alternative NamesNF2; Bilateral acoustic neurofibromatosis; Central bilateral acoustic NFCauses, incidence, and risk factorsNF2 is passed down through families in an autosomal dominant fashion. This means that if one parent has NF2, any child of that parent has a 50-50 chance of having it.The main risk factor is having a family history of the condition.SymptomsSymptoms of NF2 include:Balance problemsCataracts at a young ageChanges in visionCoffee-colored marks on the skinFacial weaknessHeadachesHearing lossRinging and noises in the earsSigns and testsSigns include:Brain and spinal tumorsHearing-related (acoustic) tumorsSkin tumorsTests include:Genetic testingMedical historyMRIPhysical examinationTreatmentAcoustic neuromas can be observed, or treated with surgery or radiation.Patients may benefit from genetic counseling.Every year, patients with NF2 should be evaluated with:MRI of the brain and spinal cordHearing and speech evaluationEye examSupport GroupsFor information and support, visit www.nf.org.ReferencesFerner RE. Neurofibromatosis 1 and neurofibromatosis 2: a twenty first century perspective. Lancet Neurol. 2007;6:340-351.Haslam RHA. Neurocutaneous syndromes. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 596.


What is the average lifespan of a person with neurofibromatosis?

The average lifespan of a person with neurofibromatosis (NF) can vary significantly depending on the type (NF1 or NF2) and the presence of complications. Generally, individuals with NF1 have a near-normal life expectancy, while NF2 may lead to more severe health challenges that can impact longevity. Complications from tumors, especially those affecting the nervous system, can contribute to a reduced lifespan in some cases. Regular medical care and monitoring can help manage symptoms and improve quality of life.


Is nf1 worse then nf2?

Neurofibromatosis type 1 (NF1) and type 2 (NF2) are distinct genetic disorders with different characteristics and complications. NF1 is generally more common and can lead to a variety of complications, including skin tumors, bone abnormalities, and a higher risk of certain cancers. NF2 primarily involves the development of bilateral vestibular schwannomas, which can lead to hearing loss and balance issues. Whether one is considered "worse" than the other can depend on individual circumstances and the specific complications experienced by patients.