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Relationship between subgroups of central and lateral lymph nodemetastasis in clinically node-negative papillary thyroid carcinoma

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World Journal of Clinical Cases 2022年第12期10卷 3709-3719页

作者： Jing Zhou Da-Xue Li Han Gao Xin-Liang Su Department of Thyroid and Breast Surgery Chongqing Health Center for Women and ChildrenChongqing 401120China Department of Thyroid and Breast Surgery First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China

BACKGROUND lymph node metastasis(LNM) of papillary thyroid carcinoma(PTC) has a certain regularity and occurs first to the central lymph node and then to the lateral lymph node. The pathway of PTC LNM can guide surgical prophylactic lymph node dissection(LND) for clinical *** To investigate the relationship between subgroups of central LNM and lateral LNM in unilateral clinically node-negative PTC(cN0-PTC).METHODS Data were collected for 1089 PTC patients who underwent surgical treatment at the Department of Endocrine and Breast Surgery of the First Hospital of Chongqing Medical University from January 2016 to December 2017. A total of 388 unilateral cN0-PTC patients met the inclusion criteria and were enrolled in this study. The clinical and pathological data for these 388 patients who underwent total thyroidectomy + central LND + lateral LND were retrospectively analyzed. The relationship between the central LNM and lateral LNM subgroups was *** The coincidence rate of cN0-PTC was only 30.0%.Optimal scaling regression analysis showed that sex(57.1% vs 42.9%, P = 0.026), primary tumor size(68.8% vs 31.2%, P = 0.008), tumor location(59.7% vs 40.3%, P = 0.007), extrathyroid extension(ETE)(50.6% vs 49.9%, P = 0.046), and prelaryngeal LNM(57.1% vs 42.9%, P = 0.004) were significantly associated with ipsilateral level-II LNM. Their importance levels were 0.122, 0.213, 0.172, 0.110, and 0.227, respectively. Primary tumor size(74.6% vs 30.2%, P = 0.016), pretracheal LNM(67.5% vs 32.5%, P < 0.001), and paratracheal LNM(71.4% vs 28.6%, P < 0.001) were significantly associated with ipsilateral level-Ⅲ LNM. Their importance levels were 0.120, 0.408, and 0.351, respectively. Primary tumor size(72.1% vs 27.9%, P = 0.003), ETE(70.4% vs 29.6%, P = 0.016), pretracheal LNM(68.3% vs 31.7%, P=0.001), and paratracheal LNM(80.8% vs 19.2%, P < 0.001) were significantly associated with ipsilateral level-IV LNM. Their importance levels were 0.164, 0.146, 0.216, a

关键词： Papillary thyroid carcinoma lymph node metastasis Clinically node-negative prophylactic lymph node dissection Prelaryngeal

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