Hypothyroidism Revolution Scam - Causes of thyroid cancer

Causes of thyroid cancer - Reasons as such (as in other cases, oncology) until the science is not exactly known by and large, can only be described risk factors that triggers the development of cancer as regards the thyroid, the clear correlation between radiation exposure and disease. For example, in Hiroshima and Nagasaki after the atomic bombs thyroid cancer was observed among irradiated ten times more. Roughly the same pattern is observed in the areas affected by the Chernobyl accident. In addition to irradiation as a serious risk factor for considering family history very often the symptoms of thyroid cancer are observed in families for several generations. Types of thyroid cancer:

•    Papillary thyroid cancer - The most common type of tumor, while it belongs to the tumors of low malignancy.

•    Follicular thyroid cancer also, low-grade, slow to develop.

•    Medullary thyroid cancer - This form of cancer is most often hereditary. Anaplastic thyroid cancer - The most aggressive tumor, which has a poor prognosis because gives multiple regional and distant metastases, and develops very quickly. But the frequency of this form is less common of all.  Symptoms of thyroid cancer

- Symptoms of thyroid cancer are not immediately appear. On examination often reveals a tight knot, one or more, or diffuse enlargement. Sometimes the symptoms of thyroid cancer appear, when it started sprouting metastasis in cervical lymph nodes.

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