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Postoperative radioactive iodine evaluation of total thyroidectomy for thyroid carcinoma: reappraisal and therapeutic
J N Attie1, G Bock, G W Moskowitz
1Department of Surgery, Long Island Jewish Medical Center, Albert Einstein College of Medicine, New Hyde Park, New York.
Abstract:
The records of 430 patients who underwent total thyroidectomy with radioactive iodine (RAI) uptake studies performed postoperatively were reviewed. Indications for the administration of an ablative dose of iodine 131 are given. The majority (85.4%) had no or low (less than 2%) evidence of focal uptake and therefore were not treated with ablative doses of iodine 131. RAI scanning is necessary postoperatively to determine the completeness of the surgical procedure and to detect residual or metastatic disease. Small foci of residual disease or occult distant metastases can be adequately treated with therapeutic doses of RAI. Nodal or distant metastases that become clinically evident following thyroidectomy are usually not successfully treated with RAI.