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- W2363288018 abstract "Objective To investigate the risk factors for neck lymph node metastasis(LNM) in papillary thyroid microcarcinoma,analyze the diagnostic value of high resolution ultrasonography in lateral neck LNM,and evaluate the safety of lymph node dissection.Methods The clinical data of 284 patients with papillary thyroid microcarcinoma from Janaury 2004 to June 2010 in this hospital were analyzed retrospectively.Results Neck LNMs were found in 83 of 284 patients(29.2%),only central LNMs in 63 of 284 patients(22.2%),skip LNMs(only lateral LNMs) in 6 of 284 patients(2.1%),and both central and lateral LNMs in 14 of 284 patients(4.9%).Age 45 years,multifocality,tumor diameter ≥5 mm,and extra-thyroidal invasion were the risk factors for LNM(P0.05),and no risk factor for skip LNM was found.Patients underwent central and lateral lymph node dissection had longer postoperative hospital stay than those without dissection or with central lymph node dissection only(P0.05).Both parathyroid gland and recurrent laryngeal nerve injuries were temporary postoperatively.There were no differences in injury rate among three methods(P0.05).The sensitivity,specificity,false negative rate,and false positive rate of high resolution ultrasonography for only lateral neck LNM were 95.0%,75.0%,5.0%,and 25.0%,repectively.The positive predictive value and negative predictive value were 90.5% and 85.7%,respectively.Conclusions Total thyroidectomy should be performed in patients with risk factors for LNM,and simultaneous central lymph node dissection is safe.High resolution ultrasonography is of great value in diagnosing skip LNM,and functional lymph node dissection also should be applied in patients who are highly suspected to have skip LNM." @default.
- W2363288018 created "2016-06-24" @default.
- W2363288018 creator A5079159332 @default.
- W2363288018 date "2011-01-01" @default.
- W2363288018 modified "2023-09-26" @default.
- W2363288018 title "Clinical Study of Neck Lymph Node Dissection in Papillary Thyroid Microcarcinoma" @default.
- W2363288018 hasPublicationYear "2011" @default.
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