Cancer - Thyroid
Thyroid cancer is cancer of the thyroid gland. There are four forms: papillary, follicular, medullary and anaplastic. The most common forms are slow growing and may recur, but these forms are rarely fatal in patients under age 45. The medullary form also has a good prognosis if it is restricted to the thyroid gland and a poorer prognosis if there has been spread; anaplastic thyroid cancers are fast-growing and respond poorly to therapy.
Thyroid nodule are diagnosed by ultrasound guided fine needle aspiration or frequently by thyroidectomy. As the thyroid cancer can uptake iodine, radioactive iodine is a commonly used modality in thyroid carcinomas. However, it is followed by TSH suppression by thyroxine therapy.
Most often the first symptom of thyroid cancer is a nodule in the thyroid region of the neck, but only few of these nodules are malignant. Sometimes the first sign is an enlarged lymph node. Other symptoms that can be present are pain, changes in voice and symptoms of hypo- or hyperthyroidism.
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Cancer - Thyroid
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