Neurofibromatosis Type 2
Neurofibromatosis Type 2 (pronunciation: neuro-fibroma-tosis type two) is a genetic disorder that causes tumors to form on nerve tissue. These tumors can develop anywhere in the nervous system, including the brain, spinal cord, and peripheral nerves. Neurofibromatosis Type 2 is one of three types of Neurofibromatosis, the other two being Neurofibromatosis Type 1 and Schwannomatosis.
Etymology
The term "Neurofibromatosis" comes from three Greek words: "neuron" meaning nerve, "fibra" meaning fiber, and "osis" meaning abnormal condition or disease. The "Type 2" designation indicates that it is the second of three identified types of the disorder.
Symptoms
Symptoms of Neurofibromatosis Type 2 can include hearing loss, tinnitus (ringing in the ears), poor balance, vertigo (a sensation of spinning), and problems with vision. These symptoms are often due to tumors pressing on nerves.
Diagnosis
Diagnosis of Neurofibromatosis Type 2 is typically made through a combination of physical examination, medical history, and imaging tests such as MRI or CT scan. Genetic testing can also be used to confirm the diagnosis.
Treatment
Treatment for Neurofibromatosis Type 2 can involve surgery to remove tumors, radiation therapy, and medication to control symptoms. Regular monitoring is also important to track the growth of tumors and manage any new symptoms that arise.
Related Terms
- Neurofibroma: A type of tumor that grows in the nervous system.
- Schwann cell: A type of cell in the nervous system that can give rise to tumors in Neurofibromatosis Type 2.
- Genetic disorder: A disease caused by changes in the DNA sequence.
External links
- Medical encyclopedia article on Neurofibromatosis Type 2
- Wikipedia's article - Neurofibromatosis Type 2
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