How do other illnesses affect thyroid cysts?

Diana Meeks on behalf of Sigma Nursing

Family Practitioner

Nobody knows for sure what causes thyroid cysts or thyroid nodules (lumps) in general. People with a condition known as Hashimoto's disease, which is characterized by inflammation and incorrect functioning of the thyroid gland, might be at increased risk for thyroid nodules. Some experts think iodine deficiency, or not getting enough iodine in your diet, can also contribute to the development of thyroid nodules.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Thyroid

A member of our endocrine system, the thyroid gland produces hormones that help control many of our body functions, such as weight and temperature. Located at the base of our neck, this butterfly-shaped gland makes several hormones, which are collectively known as thyroid hormones. These hormones are especially key in the brain development of infants and children. Thyroxine, also known as T4, is the primary hormone secreted by the thyroid gland; this hormone helps control our metabolism, a chemical process that turns our food into energy. A lack of iodine in your food can cause the thyroid to swell, a condition called a goiter. Several other disorders and diseases can affect this gland, including cancer. If you notice swelling in your neck or feel a lump, make sure you see your doctor; this could indicate a problem with this important gland.

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