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Gonadal damage due to radioactive iodine (I131) treatment for thyroid carcinoma.
  1. S. R. Ahmed,
  2. S. M. Shalet


    Papillary carcinoma of the thyroid is the most common type of thyroid cancer and is associated with a good prognosis. Complications of treatment with surgery and radioiodine are uncommon. We report the case of a 13 year old boy who developed testicular damage following treatment with radioactive iodine 350 mCi for a papillary carcinoma of the thyroid. Four years after radioiodine treatment there has been no suggestion of recovery of spermatogenesis. Detailed follow-up studies of similarly treated young patients are required to define the incidence of this complication and to determine its reversibility.

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