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논문 기본 정보

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학술저널
저자정보
이남섭 (가톨릭대학교) 배자성 (가톨릭대학교) 정소령 (가톨릭대학교) 정찬권 (가톨릭대학교) 임동준 (가톨릭대학교) 박우찬 (가톨릭대학교) 김정수 (가톨릭대학교) 김승남 (가톨릭대학교)
저널정보
대한외과학회 Annals of Surgical Treatment and Research 대한외과학회지 Vol.78 No.2
발행연도
2010.2
수록면
82 - 86 (5page)

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Purpose: Despite the overall excellent prognosis for patients with papillary thyroid microcarcinoma (PTMC), these tumors are also associated with a 5% relatively high lymph node (LN) recurrence rate and the optimal surgical extent of papillary thyroid microcarcinoma has been controversial. Cervical LN metastases (LNMs) are found in about 40∼65% of patients with PTMC. The aim of this study is to identify the factors affecting lymph node metastases (LNMs) in patients with PTMC.
Methods: We performed a retrospective study of 335 patients with PTMC who underwent total thyroidectomy or lobectomy with elective central lymph node dissection (CLND) at Kangnam St. Mary’s Hospital between Jan. 2006 and Dec. 2008. We investigated the association of LNMs and clinicopathologic factors such as sex, age, multiplicity, extrathyroidal extension, and tumor size.
Results: LNMs were present in 88 patients (26.3%). Univariate analysis showed that less than 45 years of age, male, multiplicity, a tumor size of greater than 5 mm, thyroid capsular invasion and extrathyroidal extension were predictive factors for LNMs (P<0.05). Of these, the age, male, tumor size and extrathyroidal extension were independent predictive factors for LNMs on multivariate analysis.
Conclusion: A tumor size (>5 ㎜), male, age (<45) and extrathyroidal extension were determined as the predictive factors for LNMs, which occurred in about one fourth of the patients with PTMC. Therefore, elective CLND should be considered in patients with PTMC who have these factors through a thorough investigation before surgery.

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UCI(KEPA) : I410-ECN-0101-2013-514-002679950