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Thyroid Surgery
Thyroid surgery is used to treat
thyroid nodules,
thyroid cancer, and
hyperthyroidism. During this procedure, part or all of
the
thyroid gland is removed. The
thyroid gland 
is a butterfly-shaped gland located at the front of the
neck.
During surgery, an incision is made in the skin. The muscle and other tissues are pulled aside to expose the thyroid gland.
Understanding Goiter -- The Basics
Goiters can be any one of several types of growths in the thyroid gland, located at the base of the front side of the neck just below the Adam's apple. In the case of Graves' disease, the entire thyroid gland becomes enlarged. Another type, called toxic nodular goiter, results when one or more nodules, or adenomas, develop in the thyroid and trigger excess production of thyroid hormone. In short, a goiter is any enlargement of the thyroid gland. A goiter may be a temporary problem that will...
Read the Understanding Goiter -- The Basics article > >
What To Expect After Surgery
Many people leave the hospital a day or two after surgery. How much time you spend in the hospital and how fast you recover depend on your age and general health, the extent of the surgery, and whether cancer is present.
Why It Is Done
Surgery is used to treat thyroid problems if:
- Thyroid cancer is present or is suspected.
- A noncancerous (benign) nodule is large enough to cause problems with breathing or swallowing.
- A fluid-filled (cystic) nodule returns after being drained once or twice.
- Hyperthyroidism cannot be treated with medicines or radioactive iodine.
Surgery is rarely used to treat hyperthyroidism. It may be used if the thyroid gland is so big that it makes swallowing or breathing difficult or thyroid cancer has been diagnosed or is suspected. Surgery also may be done if you are pregnant or cannot tolerate antithyroid medicines.
You may have all or part of your thyroid gland removed, depending on the reason for the surgery.
- Total thyroidectomy. Your surgeon will remove the entire gland and the lymph nodes surrounding the gland. Both sections (lobes) of the thyroid gland are usually removed. Additional treatments with thyroid-stimulating hormone (TSH) suppression and radioactive iodine work best when as much of the thyroid is removed as possible.
- Thyroid lobectomy with or without an isthmectomy. If your thyroid nodules are located in one lobe, your surgeon will remove only that lobe (lobectomy). With an isthmectomy, the narrow band of tissue (isthmus) that connects the two lobes also is removed. After the surgery, your nodule will be examined under a microscope to see whether there are any cancer cells. If there are cancer cells, your surgeon will perform a completion thyroidectomy.
- Subtotal (near-total) thyroidectomy. Your surgeon will remove one complete lobe, the isthmus, and part of the other lobe. This is used for hyperthyroidism caused by Graves' disease.
Some surgeons are now doing endoscopic thyroidectomies using several small incisions through which a tiny camera and instruments are passed.
How Well It Works
Success of a thyroidectomy to remove thyroid cancer depends on the type of cancer and whether it has spread (metastasized) to other parts of the body. You may need follow-up treatment to help prevent the cancer from returning or to treat cancer that has spread.
Risks
Thyroid surgery is generally a safe surgery. But there is a risk of complications, including:
- Hoarseness and change of voice. The nerves that control your voice can be damaged during thyroid surgery. This is less common if your surgeon has a lot of experience or if you are having a lobectomy rather than a total thyroidectomy.
-
Hypoparathyroidism. Hypoparathyroidism
can occur if the
parathyroid glands are mistakenly removed or damaged
during a total thyroidectomy. This is not as common if you have a
lobectomy.
What To Think About
If you have a total thyroidectomy, you will develop hypothyroidism and need to take man-made (synthetic) thyroid hormone for the rest of your life. If you have a lobectomy or subtotal thyroidectomy, you may have hypothyroidism and you may need to take thyroid medicine for the rest of your life.
You will most likely be treated with radioactive iodine after surgery for thyroid cancer to make sure that all the thyroid tissue and cancer cells are gone.
You may have a lobectomy, with or without isthmectomy, if your doctor suspects that a nodule may be cancerous. If you do have cancer, a surgeon usually will do a completion thyroidectomy.
After surgery for hyperthyroidism, some people will have low calcium levels and may need to take calcium supplements.
Complete the surgery information form (PDF)
(What is a PDF document?) to help you prepare for this surgery.
WebMD Medical Reference from Healthwise
Last Updated:
March 28, 2011
This information is not intended to replace the advice of a doctor.
Healthwise disclaims any liability for the decisions you make based on this
information.
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