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KMID : 0371320130850010020
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Journal of the Korean Surgical Society
2013 Volume.85 No. 1 p.20 ~ p.24
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Papillary thyroid carcinoma with thyroiditis: lymph node metastasis, complications
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Kim Yon-Seon
Choi Hye-Jeong
Kim Eun-Sook
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Abstract
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Purpose : The aim of this study was to evaluate the clinicopathologic characteristics of papillary thyroid cancer with thyroiditis, and to determine the rate of its complications for it. Methods : A retrospective review of 1,247 patients with papillary thyroid cancer who underwent primary thyroidectomy was performed. Among them, 316 patients had thyroiditis (group I) while 931 patients had no thyroiditis (group II), as reflected in the final pathologic reports. The two groups’ clinicopathologic results and rate of complications were compared. Results : Female gender, preoperative hypothyroidism, total thyroidectomy, no extrathyroid extension, no lymphovascular invasion, and no perineural invasion were associated with group I. More central lymph nodes were removed in group I than in group II, but there were fewer central lymph nodes with metastasis in group I than in group II. For the lateral lymph nodes, the two groups had the same numbers of removed nodes and nodes with metastatic tumor. Multivariate analysis revealed female predominance, more cases of preoperative hypothyroidism, more dissected lymph nodes, and fewer lymph nodes with metastasis in group I. Among the patients who underwent lobectomy, postoperative hypothyroidism occurred more in group I than in group II (P < 0.001). There was no difference in postoperative complications between the two groups. Conclusion : Papillary thyroid cancer with thyroiditis showed less aggressive features. Postoperative hypothyroidism occurred more in the patients with thyroiditis.
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KEYWORD
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Thyroiditis, Papillary thyroid cancer, Hypothyroidism
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