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A vestibular schwannoma (VS), also called acoustic neuroma, is a benign tumor that develops on the vestibulocochlear nerve that passes from the inner ear to the brain. The tumor originates when Schwann cells that form the insulating myelin sheath on the nerve malfunction. Normally, Schwann cells function beneficially to protect the nerves which ...
The three types of neurofibromatosis are caused by different mutations on chromosomes. NF1 is caused by a mutation on the NF1 gene on the arm of chromosome 17. [4] NF2 is caused by a mutation on the NF2 tumor suppressor gene on chromosome 22. [4] Schwannomatosis is caused by various mutations on chromosome 22. [4]
Neurofibromatosis type II (also known as MISME syndrome – multiple inherited schwannomas, meningiomas, and ependymomas) is a genetic condition that may be inherited or may arise spontaneously, and causes benign tumors of the brain, spinal cord, and peripheral nerves.
Schwannomatosis is an extremely rare genetic disorder closely related to the more-common disorder neurofibromatosis (NF). Originally described in Japanese patients, [1] it consists of multiple cutaneous schwannomas, central nervous system tumors, and other neurological complications, excluding hallmark signs of NF.
A malignant peripheral nerve sheath tumor is rare, but is one of the most common frequent soft tissue sarcoma in the pediatrics population. About half of these cases also happen to occur along with neurofibromatosis type 1 (NF-1), which is a genetic mutation on the 17th chromosome which causes tumors along the nervous system.
When it comes to muscular diseases, most of us have heard of especially common ones like muscular dystrophy and Lou Gehrig's disease.But one of the rarest muscular disorders is also one of the ...
neurilemoma, [1]: 621 neuroma, [2] neurolemoma, [2] Schwann cell tumor [2] Micrograph of a schwannoma showing both a cellular Antoni A area (top) and a loose paucicellular Antoni B area (bottom). HE stain. Specialty: Neuro-oncology
Investigators are trying to determine how a woman got past multiple security checkpoints this week at New York’s JFK International Airport and boarded a plane to Paris, apparently hiding in the ...