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Thyroid Cancer |
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A Thyroid Tumor is a mass of abnormally growing cells. Tumors can be either benign or malignant. Benign Thyroid Tumors have uncontrolled cell growth, but without any invasion into normal tissues and without any spread. A Malignant Thyroid Tumor is called cancer when these tumor cells gain the inclination to invade tissues and spread to all areas of the body.
Thyroid Cancer occurs when cells of the thyroid gland grow uncontrollably to form tumors (as described above) that can invade the tissues of the neck spreading themselves to the surrounding tissues of the neck as well as the bloodstream and then to other parts of the body. The most common types of Thyroid Gland Cancer originate in the cells responsible for thyroid hormone production. The general term for cancers that come from glandular tissue is Adenocarcinoma. |
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