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Thyroid Cancer, Childhood |
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Thyroid Tumors Tumors of the thyroid (a gland near the windpipe that produces thyroid hormone, which helps regulate growth and metabolism) are classified as adenomas or carcinomas. Adenomas are benign (noncancerous) growths that may cause enlargement of all or part of the gland, which extends to both sides of the neck and can be quite large. Some of these tumors may secrete hormones. Transformation to a malignant carcinoma (cancer) may occur in some cells, which then may grow and spread to lymph nodes in the neck or to the lungs. Thyroid carcinomas are rare and occur most often in girls. This cancer usually appears as a lump or mass in the thyroid with possible swelling of the lymph glands in the neck. Surgery is the treatment required for all thyroid tumors. This is usually removal of all or nearly all of the thyroid and nearby lymph nodes in the neck. Treatment with a radioactive form of iodine is given after surgery to destroy cancer cells and thyroid tissue that remain. After surgery and treatment with radioactive iodine, hormone replacement therapy must be given to compensate for the lost thyroid hormone. Regular checkups are required to determine whether the cancer has spread to the lungs. Patients with thyroid cancer generally have an excellent survival with relatively few side effects. Thyroid tumors that recur (come back) are usually treated with radioactive iodine. Even patients with tumor that has spread to the lungs may expect no decrease in life span after appropriate treatment.
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