Thyroid NodulesThyroid GlandThe thy

Thyroid NodulesThyroid GlandThe thyroid gland sits in front of the neck, just above the collarbone. It has spaces filled with a fluid where thyroid hormone ismadeusing iodine. The thyroid gland controls metabolism by making thyroid hormone. Metabolism is how the body uses energy.Thyroid NodulesThyroid nodules developwhen thyroid tissue grows intoa small lump.Some nodules are solid, and some contain fluid. If a nodule only contains fluid, it is called a cyst. Thyroid nodules are different from a goiter. A goiter is when the entire thyroid gland becomes enlarged.Goiters can contain thyroid nodules.If you have a thyroid nodule, it is important for you to see a physician for an initial examination. The first step is usually blood teststo assess how much thyroid hormone is being produced. Your physician may ask you to see an additional specialist for more advice.Thyroid Nodules Are Extremely CommonAs we become older, we are more likely to develop thyroid nodules. By age 50 years, half of people have thyroid nodules. By age90 years, almost everyone has at least 1. Only a small number become big enough to feel. By using an ultrasound machine, physicans can find very small thyroid nodules that cannot be felt in up to76% of healthy patients.Although many people have thyroid nodules, very few causeproblems. Tests to look for nodules in people who are otherwisehealthy and do not have symptoms are not recommended.