Journal
ACTA CHIRURGICA BELGICA
Volume 120, Issue 3, Pages 173-178Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00015458.2019.1576447
Keywords
Papillary thyroid carcinoma; central neck lymph nodes; recurrence; disease-free survival; lymph node ratio; Iran
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Funding
- Mashhad University of Medical Sciences
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Background: Papillary thyroid carcinoma (PTC) is considered the most frequent thyroid malignancy (85-90%) with a good prognosis. However, its frequent recurrence increases mortality and morbidity. In this inquiry we investigated the prevalence of risk factors of PTC recurrence and disease free survival after thyroidectomy and central neck dissection. Method: In this retrospective study, all patients with confirmed PTC who underwent total thyroidectomy and central neck dissection in Imam Reza and Omid hospitals of Mashhad University of Medical Sciences from 2004 to 2011 were included. Total locoregional and distant recurrence rate, 5-year disease free survival rate (DFS) and contributing factors of recurrence were investigated after at least 5 years. Results: In this study 289 patients were included with a mean follow-up of 72.90 +/- 11.02 months. 70.6% were female and 29.4% were male. Recurrence occurred in 58 cases from which 10 were distant and 48 were loco-regional. 5-year DFS was 80% and total-survival-rate was 99%. Our analysis showed that primary tumor size, vascular-invasion, extra-thyroid extension, and lymph node ratio (LNR) were significantly related to DFS.
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