Thyroid Cancer |
Malignant Thymoma; Thymus Cancer |
Thyroid cancer is cancer of the thyroid gland. There are four forms: papillary, follicular, medullary and anaplastic. The most common forms (papillary and follicular) are fairly benign, and 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; the anaplastic form is fast-growing and poorly responsive to therapy. Masses of the thyroid are diagnosed by fine needle aspiration (FNA) or frequently by thyroidectomy ( ...
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