Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Τετάρτη 13 Ιουνίου 2018

Risk and survival of patients with medullary thyroid cancer: National perspective

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Publication date: August 2018
Source:Oral Oncology, Volume 83
Author(s): Zaid Al-Qurayshi, Helmi Khadra, Kristi Chang, Nitin Pagedar, Gregory W. Randolph, Emad Kandil
BackgroundMedullary thyroid carcinoma (MTC) is a neuroendocrine tumor account for 1–2% of thyroid cancer. In this study, we aim to examine the characteristics and survival of patients with MTC.MethodsA retrospective cohort study utilizing the National Cancer Data Base, 2004–2014. The study population included adults with either MTC (cases) or with differentiated thyroid cancer (DTC) (controls).ResultsA total of 2,776 MTC and 171,631 DTC patients were included. The median follow-up time for MTC was 55.5 months (interquartile range: 31.2–84.6 months). As compared to DTC, patients with MTC were more likely to be ≥ 45-year old, male, and Black (p < 0.001). Neck dissection improved survival in patients with stage III [HR: 0.26, 95%CI: (0.10, 0.64), p = 0.004]. In patients with stages I and II, neck dissections did not add significant survival benefit to thyroidectomy [stage I, HR: 1.00, 95%CI: (0.54, 1.86), p = 0.99],[stage 2, HR: 0.72, 95%CI: (0.40, 1.29), p = 0.27]. However, neck dissections upgraded staging to N1A and N1B in 17.7% and 14.3% of patients with clinically N0 neck, respectively. In stage IV, thyroidectomy with neck dissection had the highest 5-year survival (84.9%), but this was not significantly different from thyroidectomy alone (84.1%); Patients who had thyroidectomy and EBRT with or without neck dissection had a lower survival than thyroidectomy alone (p < 0.01).ConclusionsNeck dissection performed on patients with clinically N0 neck, is important for accurate staging and associate with improved survival in advanced stages. Thyroidectomy and neck dissection in stage IV not only have palliative role but also add survival advantage.



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