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Many conditions can cause the development of nodules in the thyroid gland, including iodine deficiency, overgrowth of thyroid tissue, cysts, inflammation of the thyroid and the development of a goiter, according to Mayo Clinic. Thyroid cancer can also cause thyroid nodules to develop.


Mayo Clinic states that typical thyroid nodules, growths of extra thyroid tissue on the thyroid, do not cause symptoms. Large nodules are felt as lumps at the base of the neck. Sometimes the nodules grow large enough that the base of the neck appears swollen. If a large nodule presses on the trachea


A thyroid nodule is a solid or fluid-filled lump that forms within the thyroid, according to Mayo Clinic. The majority of thyroid nodules are not serious and aren't noticed until discovered by a doctor during a routine medical evaluation.


Treatment options for thyroid nodules vary depending if the nodule is benign, cancerous or causing hyperthyroidism, according to Mayo Clinic. All types of thyroid nodules may require surgery, especially those that are cancerous. Since some treatment options pose risks, the individual’s doctor should


Nodules that form on the thyroid may be the result of insufficient iodine, multi-nodular goiter, chronic thyroid inflammation or thyroid cancer, according to Mayo Clinic. Such nodules and may be solid or fluid-filled and also appear due to the unexplained overgrowth of normal thyroid tissue.


Treatments for thyroid nodules include surgery, radioactive iodine therapy, medications that suppress activity of the thyroid and synthetic thyroid hormone therapy, depending on the type of the nodule, according to Mayo Clinic. Thyroid nodules can be benign, cancerous or overproduce thyroxine.


Most thyroid nodules are so small that the patient does not find them, but a nodule of any size requires further testing due to its potential to affect the individual's metabolism. While most nodules are not cancerous, the University of Michigan Health System indicates further testing is required to


Medical self-help and information websites, such as eMedicineHealth, ThyroidNodules.net and EndocrineWeb, provide images of thyroid nodules. Other sites with of thyroid nodule images include MyThyroid.com and Drugs.com.


A cold nodule is a lump in the thyroid gland that is not making any thyroid hormones, according to Healthline. Hot nodules produce excessive amounts of hormones.


Thyroid nodules form when thyroid tissue grows, although the reason for their formation is not fully understood, according to Cleveland Clinic. Cancer causes some thyroid nodules to form, but most nodules are benign and thyroid cancer is very rare. Only about 5 percent of all thyroid nodules are can