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Thyroid nodules are solid or fluid-filled lumps that form within your thyroid, a small gland located at the base of your neck, just above your breastbone. Thyroid gland The thyroid gland is located at the base of the neck, just below the Adam's apple.
Nodules that produce excess thyroid hormone — called hot nodules — show up on the scan because they take up more of the isotope than normal thyroid tissue does. Hot nodules are almost always noncancerous.
Hashimoto's disease is an autoimmune disorder affecting the thyroid gland. The thyroid is a butterfly-shaped gland located at the base of the neck just below the Adam's apple. The thyroid produces hormones that help regulate many functions in the body.
ANSWER: Lumps in the thyroid — called thyroid nodules — are common. The likelihood of having one is higher in women and increases with age. It’s estimated that up to half of adults over 50 may have one. There are various reasons why thyroid nodules may develop. Thankfully, around 90% to 95% of thyroid nodules are benign, or noncancerous.
A goiter may be an overall enlargement of the thyroid, or it may be the result of irregular cell growth that forms one or more lumps (nodules) in the thyroid. A goiter may be associated with no change in thyroid function or with an increase or decrease in thyroid hormones.
Thyroid cancer is a growth of cells that starts in the thyroid. The thyroid is a butterfly-shaped gland located at the base of the neck, just below the Adam's apple. The thyroid produces hormones that regulate heart rate, blood pressure, body temperature and weight. Thyroid cancer might not cause any symptoms at first.
In summary, thyroid nodules are common and most are benign. Workup for thyroid cancer typically involves ultrasound evaluation and possible biopsy. If thyroid cancer is confirmed, referral to surgery is often the next step.
The Thyroid Nodule Clinic provides a one-stop thyroid nodule evaluation that includes a focused clinical assessment, ultrasound evaluation and fine-needle aspiration — all typically performed within a single appointment.
The way a thyroid nodule looks on an ultrasound image helps your provider determine if it's likely to be cancer. Signs that a thyroid nodule is more likely to be cancerous include calcium deposits (microcalcifications) within the nodule and an irregular border around the nodule.
I'm glad that your doctor is following up on both the thyroid and lung nodules. You may be interested in these related discussions as you prepare for the biopsy of the lung nodule. - Small lung nodules: How often should they be scanned / monitored?