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Thyroid cancer is a malignant disease, which occur relatively frequently, in every age group especially in people who may have had radiotherapy in the neck, although it most often after 30 Year of life and its aggressiveness increases significantly in older patients. Thyroid cancer develops in your thyroid, a butterfly gland at the base of the neck, just below the Adam's apple.

Types of thyroid cancer
Thyroid are divided intoPapillary carcinoma, follicular carcinoma, medullary thyroid carcinoma (MTC), anaplastic carcinomas, primary thyroid lymphoma, and primary thyroid sarcomas.

Half of all papillary thyroid tumors in adults, it is most common in young adult women. Follicular carcinomas are less frequent but more likely to occur again and metastasize to regional nodes and through blood vessels into the bone, liver and lungs. Medullary carcinoma is arare familial cancers is completely curable if detected before it causes discomfort. The least common type of thyroid cancer is anaplastic which has a very poor prognosis. Anaplastic thyroid cancers tend to be found after it has spread out and not cured in most cases

Causes of thyroid cancer
Are predisposing factors, radiation exposure, prolonged exposure to TSH, family history and chronic goiter.

Signs andSymptoms
The primary symptoms of tumors of the thyroid are: a painless nodule, a lump or swelling in the neck, sometimes growing rapidly, pain in the front of the neck sometimes goes up to the ears, hoarseness or other voice changes, not away, trouble swallowing , breathing difficulties, cough that continues and is not a cold.

Diagnosis
The first clue is usually an enlarged palpable nodule in the thyroid, throat, lymph nodes of the neck,or vocal cords. Tests need to be determined non-malignant thyroid enlargements, which measure a lot in common. Thyroid scans capture the ability of the herd isotopes relative to the rest of the thyroid. Further tests are CT scans, biopsy and ultrasound scans.

Treatment
Treatment options Surgery to remove the thyroid gland and nearby lymph nodes, chemotherapy, radiotherapy and hormone therapy. Anaplastic cancer
oftenrequire a tracheostomy during the treatment and the treatment is much more aggressive than other types of thyroid cancer.

Radioactive iodine is for patients with thyroid cancer, which was removed after her cancer, because if there are any thyroid cells that the body will absorb these cells and the concentration of toxic radioactive iodine.

Forecast
The survival rate for patients with papillary tumors that have not spread, isexcellent.
Medullary cancer of the thyroid is far less widespread, but has a poorer prognosis.

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