유두상 갑상선암에서 최소 갑상선외 침범의 예후인자로서의 유용성

• 영문명: Prognostic Significance of Minimal Extrathyroidal Extension of Papillary Thyroid Carcinomas
• 발행기관: 대한내분비외과학회
• 저자명: 이민재 하태권 박하경 이홍태 신재호 안민성 김광희 배기범 김태현 최창수 김상효 Min Jae Lee M.D. Tae Kwun Ha M.D. Ha Kyoung Park M.D. Hong Tae Lee M.D. Jae Ho Shin M.D. Min Sung An M.D. Kwang Hee Kim M.D. Ki Beom Bae M.D. Tae Hyeon Kim M.D. Chang Soo Choi M.D. and Sang Hyo Kim M.D.
• 간행물 정보: 『The Koreran journal of Endocrine Surgery』12권2호, 102~106쪽, 전체 5쪽
• 주제분류: 의약학 > 면역학
• 파일형태: PDF
• 발행일자: 2012.06.30

영문 초록

Purpose: Extrathyroidal extension (ETE) is a risk factor for the recurrence of a papillary thyroid carcinoma (PTC). In the TNM 6^th classification system, an extrathyroidal invasion of a differentiated thyroid carcinoma has been classified as T3 (minimal invasion), T4a (extended invasion), and T4b (more extensive unresectable invasion) according to tumor invasion. We investigated the clinicopathologic characteristics, recurrence, and disease-free survival (DFS) of minimal ETE (mETE). Methods: We retrospectively evaluated 332 patients who underwent a thyroidectomy for PTC from January 2005 to December 2006. Results: Of the 332 patients, 103 (31.0%) were found to have a PTC with mETE and 229 (69.0%) patients had a PTC without mETE. In PTC, mETE was related to gender, tumor size, multifocality, Lymph node (LN) metastasis, underlying Hashimoto's thyroiditis, and surgery. But there is no significant difference in age, recurrence, and LN metastasis between the mETE and No mETE groups. Multivariate analysis demonstrated that LN metastasis (odds ratio=2.273; 95% confidence interval 1.280∼4.037) was recognized as an independent factor for mETE (P=0.005). Disease-free survival was not significantly different between patients with and without mETE (P=0.153). We analyzed the effect of LN metastasis in groups with and without mETE. Based on the presence or absence of LN metastasis, disease-free survival (DFS) rates between each group showed no significant differences. Conclusion: Minimal ETE had no impact on DFS in patients with PTC. Therefore, an appropriate surgical approach and postoperative follow-up are required for tumors with mETE. (Korean J Endocrine Surg 2012;12: 10-106)

키워드

갑상선 유두상암, 최소 갑상선외 침범, 재발, 무병생존,Papillary thyroid carcinoma, Minimal extra- thyroidal extension, Recurrence, Disease-free survival