Risk Factors for Cervical Lymph Node Metastasis of Papillary Thyroid Microcarcinoma: A Single-Center Retrospective Study
2019
Objective. To identify the clinicopathological features correlated to
lymph node
metastasis(LNM) in patients with papillary thyroid microcarcinoma (PTMC). Methods. Clinical data of 785 PTMC patients who underwent surgical treatment at the Lishui Municipal Central Hospital from September 2008 to December 2017 were retrospectively analyzed. Clinical and pathological
risk factorsfor
lymph node
metastasis(LNM), central
lymph node
metastasis(CLNM), and lateral
lymph node
metastasis(LLNM) were analyzed. Results. LNM was found in 236 (30.2%) patients. Multivariate logistic regression analysis revealed that in PTMC, male gender, years, tumor , bilateral lesions, and extrathyroidal extension were independent
risk factorsfor LNM in general and for CLNM. For LLNM, tumor , multifocal lesions, and extrathyroidal extension were independent
risk factors. Conclusions. Identification of
risk factorsfor cervical LNM could assist individualization of clinical management for PTMC.
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