Number of tumor foci as predictor of lateral lymph node metastasis in papillary thyroid carcinoma
- Authors
- Kim, Hye Jeong; Park, Hyeong Kyu; Byun, Dong Won; Suh, Kyoil; Yoo, Myung Hi; Min, Yong-Ki; Kim, Sun Wook; Chung, Jae Hoon
- Issue Date
- May-2015
- Publisher
- John Wiley & Sons Inc.
- Keywords
- papillary thyroid carcinoma; multifocality; lymph node metastasis
- Citation
- Head and Neck, v.37, no.5, pp 650 - 654
- Pages
- 5
- Journal Title
- Head and Neck
- Volume
- 37
- Number
- 5
- Start Page
- 650
- End Page
- 654
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/10697
- DOI
- 10.1002/hed.23650
- ISSN
- 1043-3074
1097-0347
- Abstract
- BackgroundThe purpose of this study was to determine the clinicopathologic characteristics of patients with papillary thyroid carcinoma (PTC) by the number of tumor foci. MethodsA retrospective analysis of 2095 patients with PTC was performed. The study population was divided into 4 groups based on the number of tumor foci: N1 (1 tumor focus), N2 (2 foci), N3 (3 foci), and N4 (4 or more foci). ResultsAn increasing number of tumor foci was significantly associated with older age at diagnosis (p = .006), cervical lymph node metastasis (p < .001), and advanced TNM stage of disease (p = .001) at initial surgery. The multivariate adjusted odds ratios (ORs) and 95% confidence intervals (95% CIs) for the N2, N3, and N4 groups compared to the N1 group for lateral lymph node metastasis were OR 1.53 (95% CI, 1.05-2.22), OR 2.57 (95% CI, 1.50-4.42), and OR 2.88 (95% CI, 1.42-5.84), respectively. ConclusionAn increase in the number of tumor foci was strongly associated with older age at diagnosis, cervical lymph node metastasis, and advanced TNM stage of PTC. The number of tumor foci independently predicted lateral lymph node metastasis. (c) 2014 Wiley Periodicals, Inc. Head Neck37: 650-654, 2015
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