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March 9, 1984

Radiation and Thyroid Cancer

Author Affiliations

Mount Sinai Hospital Toronto

JAMA. 1984;251(10):1280. doi:10.1001/jama.1984.03340340022017

To the Editor.—  I am writing in response to the article entitled "New High-Resolution Ultrasound Evaluation of Diseases of the Thyroid Gland."1 The article was well written and contained valuable information for the nonradiologist and imager as well as being a good introductory article for those new to the imaging field related to thyroid disease and an excellent review for those currently in practice. My point in writing this letter may be a small one, but, nevertheless, if any reader were to take a fact stated in the article at face value, they may be working under an erroneous assumption.I am referring to the section on thyroid cancer in which the first paragraph discusses several topics. Reference is made to the fact that the increasing incidence of thyroid cancer is due to a large group of patients who had received irradiation to the neck and upper portion of the