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KMID : 0361020150580110769
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Korean Journal of Otolaryngology - Head and Neck Surgery
2015 Volume.58 No. 11 p.769 ~ p.775
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Analysis of Treatment Results after Thyroid Lobectomy with Prophylactic Ipsilateral Central Neck Lymph Node Dissection for Low-Risk Papillary Thyroid Carcinoma: A Single Institute Experience
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최주열:Choi Joo-Yul
김민주:Kim Min-Joo/임일한:Lim Il-Han/이국행:Lee Guk-Haeng/최익준:Choi Ik-Jun/이명철:Lee Myung-Chul
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Abstract
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Background and Objectives: Surgical options for low-risk papillary thyroid carcinoma (PTC) have been in debate. The purpose of this study was to analyze the treatment results of lobectomy and prophylactic ipsilateral central lymph node dissection (cND) for low-risk PTC.
Subjects and Method: We retrospectively analyzed 906 patients who were diagnosed as PTC pre- or post-operatively and underwent lobectomy and/or prophylactic ipsilateral cND from 2001 to 2010. Studied variables were clinicopathologic data, complications, sites of recurrence, overall survival, and recurrence free survival rates.
Results: Fifty two (5.7%) patients showed recurrence during follow-up. Of the 52 recurrent cases, 32 (61.5%) cases recurred in a remnant thyroid only, 11 (21.2%) cases in a lymph node (LN) only, and 9 (17.3%) cases in a remnant thyroid and the LN. One (0.1%) patient showed permanent vocal cord palsy. Overall survival rate at 10 years was 99.6%. Overall recurrence free survival rates at 5 and 10 years were 97.1% and 81.0%, respectively. Risk factors for recurrences were old age (>45), contralateral nodule(s) at initial surgery, large tumor, no prophylactic cND, and pathological LN metastasis.
Conclusion: Lobectomy with prophylactic ipsilateral cND may be a good option for low risk PTC patients due to excellent overall survival rates, recurrence rates, and minimal complication rates.
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KEYWORD
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Central lymph node dissection, Lobectomy, Papillary thyroid carcinoma, Recurrence, Thyroidectomy
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