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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 64 - 69 (6page)
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Purpose: A papillary thyroid microcarcinoma (PTMC) measures 1 cm or less in diameter. The diagnosis, and thus the apparent incidence, of PTMC has recently increased owing to an increase in the detection of subclinical small and low-risk carcinomas with ultrasonography and fine needle aspiration cytology. However, central neck lymph node metastasis (CLNM) can occur in patients with PTMC. We evaluated the factors influencing CLNM in patients with PTMC.Methods: We reviewed medical records including clinical information and pathologic reports, and analyzed 622 patients with PTMC who underwent thyroid surgery from January 2002 to December 2012.Results: CLNM was detected in 119 patients (19.1%) of the 622 with PTMC. Lymph node metastasis occurred more frequently in males (P=0.025), and those with bilateral tumors (P=0.016), more than two tumors (P=0.035), tumor size greater than 5 mm (P＜0.001), and lymphovascular invasion (P=0.024). There were no statistically significant differences in age and capsular invasion. Multivariate analysis showed that significant factors affecting lymph node metastasis included age at operation (odds ratio [OR]=0.647, 95% confidence interval [CI]=0.422∼0.990, P=0.045), sex (OR=0.489, 95% CI=0.268∼0.891, P=0.020), tumor size (OR=3.034, 95% CI=1.761∼5.224, P＜0.001), and lymphovascular invasion (OR=15.036, 95% CI=1.450∼155.911, P=0.023).Conclusion: Age less than 45 years, male sex, tumor size greater than 5 mm, and lymphovascular invasion were risk factors associated with CLNM.
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참고문헌 (29)
참고문헌 신청
Hedinger C / 1989 / The WHO histological classification of thyroid tumors: a commentary on the second edition / Cancer 63:908~911
Chen AY / 2009 / Increasing incidence of differentiated thyroid cancer in the United States, 1988-2005 / Cancer 115:3801~3807
Hay ID / 2008 / Papillary thyroid microcarcinoma: a study of 900 cases observed in a 60-year period / Surgery 144:980~987
Chow SM / 2003 / Papillary microcarcinoma of the thyroid-Prognostic significance of lymph node metastasis and multifocality / Cancer 98:31~40
Ito Y / 2006 / Clinical significance of metastasis to the central compartment from papillary microcarcinoma of the thyroid / World J Surg 30:91~99
Chen AY / 2009 / Increasing incidence of differentiated thyroid cancer in the United States, 1988-2005 / Cancer 115:3801~3807
Hay ID / 2008 / Papillary thyroid microcarcinoma: a study of 900 cases observed in a 60-year period / Surgery 144:980~987
Chow SM / 2003 / Papillary microcarcinoma of the thyroid-Prognostic significance of lymph node metastasis and multifocality / Cancer 98:31~40
Ito Y / 2006 / Clinical significance of metastasis to the central compartment from papillary microcarcinoma of the thyroid / World J Surg 30:91~99
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