Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?

This study reviewed the incidence of positive pre-ablative diagnostic scan after total thyroidectomy and the efficacy of the current ablative dose. The predictive factors for outcome using a standard ablative dose and postoperative complications of total thyroidectomy were also examined. Methods: Th...

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Main Authors: Choon Meng Teoh, Muhammad Rohaizak, Kin Yoong Chan, Ali Yaakub Jasmi
Format: Article
Language:English
Published: Elsevier 2005-04-01
Series:Asian Journal of Surgery
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1015958409602694
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author Choon Meng Teoh
Muhammad Rohaizak
Kin Yoong Chan
Ali Yaakub Jasmi
author_facet Choon Meng Teoh
Muhammad Rohaizak
Kin Yoong Chan
Ali Yaakub Jasmi
author_sort Choon Meng Teoh
collection DOAJ
description This study reviewed the incidence of positive pre-ablative diagnostic scan after total thyroidectomy and the efficacy of the current ablative dose. The predictive factors for outcome using a standard ablative dose and postoperative complications of total thyroidectomy were also examined. Methods: This was a retrospective review of patients referred for radioiodine ablation after total thyroidectomy between September 1997 and September 2001. Results: Forty patients were included in this study, of whom 95% had a positive scan after total thyroidectomy. Of the 30 patients who underwent standard 80-mCi radioiodine ablation, 21 (70%) had successful single ablation while the remaining nine patients needed a higher ablative dose. There were no significant differences between patients who had successful ablation with the standard dose and those who did not in terms of tumour size, patient age, lymph node status and extra-thyroidal extension. Fifteen percent suffered from permanent hypoparathyroidism requiring calcium supplementation. Three patients had documented recurrent laryngeal nerve paralysis. Conclusion: Bypassing the pre-ablative diagnostic scan is feasible. The present ablation dose of 80 mCi of radioiodine is effective. The relatively high postoperative morbidity after difficult total thyroidectomy suggests less aggressive excision and postoperative radioiodine ablation of the remnant tissue.
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spelling doaj.art-db1d9d72219e4fe4a2cc53a8892e7c552022-12-22T00:07:52ZengElsevierAsian Journal of Surgery1015-95842005-04-01282909610.1016/S1015-9584(09)60269-4Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?Choon Meng TeohMuhammad RohaizakKin Yoong ChanAli Yaakub JasmiThis study reviewed the incidence of positive pre-ablative diagnostic scan after total thyroidectomy and the efficacy of the current ablative dose. The predictive factors for outcome using a standard ablative dose and postoperative complications of total thyroidectomy were also examined. Methods: This was a retrospective review of patients referred for radioiodine ablation after total thyroidectomy between September 1997 and September 2001. Results: Forty patients were included in this study, of whom 95% had a positive scan after total thyroidectomy. Of the 30 patients who underwent standard 80-mCi radioiodine ablation, 21 (70%) had successful single ablation while the remaining nine patients needed a higher ablative dose. There were no significant differences between patients who had successful ablation with the standard dose and those who did not in terms of tumour size, patient age, lymph node status and extra-thyroidal extension. Fifteen percent suffered from permanent hypoparathyroidism requiring calcium supplementation. Three patients had documented recurrent laryngeal nerve paralysis. Conclusion: Bypassing the pre-ablative diagnostic scan is feasible. The present ablation dose of 80 mCi of radioiodine is effective. The relatively high postoperative morbidity after difficult total thyroidectomy suggests less aggressive excision and postoperative radioiodine ablation of the remnant tissue.http://www.sciencedirect.com/science/article/pii/S1015958409602694radioiodine ablationrecurrent laryngeal nervethyroid carcinomatotal thyroidectomy
spellingShingle Choon Meng Teoh
Muhammad Rohaizak
Kin Yoong Chan
Ali Yaakub Jasmi
Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?
Asian Journal of Surgery
radioiodine ablation
recurrent laryngeal nerve
thyroid carcinoma
total thyroidectomy
title Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?
title_full Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?
title_fullStr Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?
title_full_unstemmed Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?
title_short Pre-ablative Diagnostic Whole-body Scan Following Total Thyroidectomy for Well-differentiated Thyroid Cancer: Is It Necessary?
title_sort pre ablative diagnostic whole body scan following total thyroidectomy for well differentiated thyroid cancer is it necessary
topic radioiodine ablation
recurrent laryngeal nerve
thyroid carcinoma
total thyroidectomy
url http://www.sciencedirect.com/science/article/pii/S1015958409602694
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AT muhammadrohaizak preablativediagnosticwholebodyscanfollowingtotalthyroidectomyforwelldifferentiatedthyroidcancerisitnecessary
AT kinyoongchan preablativediagnosticwholebodyscanfollowingtotalthyroidectomyforwelldifferentiatedthyroidcancerisitnecessary
AT aliyaakubjasmi preablativediagnosticwholebodyscanfollowingtotalthyroidectomyforwelldifferentiatedthyroidcancerisitnecessary