Neurofibroma is a type of nerve sheath tumor. Inherited disease. Neurofibroma is a tumor or growth located on the nerve or เนื้อเยื่อประสาท. Divided into 2 different type 1 neurofibromatosis. (NF1) and 2 neurofibromatosis (NF2). NF1 occurs in about. 1 in 3000 births NF2, while only about a. 1 in 50,000 births. NF2, neurofibromatosis acoustic called bilateral,. Is characterized by multiple tumours and lesions in the brain and spinal line. Tumours that grow in the auditory nerve hearing loss is usually the first symptoms of the disease. NF1 and NF2 occur as a result of defects in different genes.
NF1 caused by mutations in the gene. Chromosome 17 and NF2 on chromosome 22. Mutated genes are inherited from parents. The NF or in some cases you may be the founder gene. mutated naturally. Parent with NF has the opportunity. 50% over each seed gene. Neurofibromatosis will. Is growing. neurofibromas more neurologic problems develop. people are. central neurofibromatosis develop tumors in the auditory nerve (tumors. Ear or neuromas acoustic) on both body.
Why tumors may be hearing loss and sometimes a fast life. 20. Approximately one-third of those who have. neurofibromatosis. Peripheral observed no. Neurofibromas. Affecting nerves in the head can cause blindness,. faintness, refusing to listen to the ear. (Tinnitus), and incoordination. Medium brown skin spots develop on the chest to back. Pelvis, elbows and knees. These points may appear at birth or during infancy. Aged between 10 and 15 flesh colored growths. (neurofibromas) changes the size and shape beginning in the. Surface. May be less than 10 growths of these or thousands of them.
In many people, neurofibromas, or under the skin. overgrowth of bone under structural abnormalities such as neurofibroma produce abnormal spinal curves. (kyphoscoliosis) deformities ribs, long bones, inflamed arm and leg, and bone defects of the skull, including part. Around the eyes. The treatment is not NF. Goal of treatment is to monitor the development and intervention when necessary. Neurofibromas. Mouth is considered normal by isolated excision surgery,. Depending on the scope and site. Genetic counseling is recommended when the disease is considered a child.
