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KMID : 1100320200370040302
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Yeungnam University Journal of Medicine
2020 Volume.37 No. 4 p.302 ~ p.307
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Usefulness of intraoperative determination of central lymph node metastasis by palpation in papillary thyroid cancer
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Kim Wan-Wook
Lee Jee-Yeon
Jung Jin-Hyang
Park Ho-Yong
Kim Won-Hwa
Kim Hye-Jung
Park Ji-Young
Tufano Ralph P.
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Abstract
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Background: This study evaluated the usefulness of judgment of central lymph node (LN) metastasis by surgeon’s palpation in papillary thyroid cancer.
Methods: This study included 127 patients who underwent thyroidectomy and central compartment node dissection between October 2014 and February 2015. The criterion for suspicious LNs was hardness.
Results: Of the 20.5% (28/127) of suspicious for metastatic LNs according to surgeon determination, 92.8% (26/28) were confirmed to be metastatic in the final pathological examinations. Metastatic LNs were found in 38 (38.3%) of 99 patients without suspicious LNs, 29 of whom (76.3%) had micrometastases. The sensitivity, specificity, and positive and negative predictive values for the determination of LN metastasis by a surgeon were 40.6%, 96.8%, 92.9%, and 61.6%, respectively.
Conclusion: Determination of central LN metastasis by a surgeon’s palpation may be useful to evaluate LNs owing to the high specificity and positive predictive values, especially in macrometastasis or high-risk LN disease.
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KEYWORD
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Determination, Lymph node, Metastasis, Palpation, Surgeon
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