Thyroid abnormalities following neck irradiation for Hodgkin's disease

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Abstract
Thyroid function and scans were evaluated in fifty disease‐free patients 2 to 16 years after receiving neck irradiation for the treatment of Hodgkin's disease. Twenty‐five of 50 patients had abnormal thyroid studies: eight were hypothyroid, two were hypothyroid and had abnormal scans, and fifteen had abnormal scans. Of the 15 patients with abnormal scans, one had an isolated elevation of TSH (thyroid stimulating hormone) and one developed exophthalmos. These data, obtained within a relatively short follow‐up period, indicate that morphologic and functional abnormalities of the thyroid gland are not uncommon in patients who have received irradiation to the thyroid gland in the course of treatment for Hodgkin's disease. There is need for continuous reevaluation of the thyroid status in such patients. Cancer 42:2553–2562, 1978.