Needle Biopsy in the Diagnosis of Thyroid Nodules Appearing after Radiation

Abstract
Ever since the 1930's a high proportion of all cancers of the thyroid have been induced by radiation.1 It has also been known for many years that the type of cancer that is induced by radiation is papillary, tends to appear in young people and carries little risk of causing death.2 In fact, in the Cleveland Clinic's five to 34-year follow-up of 307 patients with papillary carcinoma less than 1 per cent of the patients who gave a history of exposure to radiation died of thyroid cancer.3 A similar experience, with a mortality rate of only 0.6 per cent in . . .