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Factors affecting inadequate sampling of ultrasound-guided fine-needle aspiration biopsy of thyroid nodules.

Authors
 윤정현 ; 최성형 ; 한경화 ; 곽진영 ; 김은경 ; 문희정 ; 손은주 ; 육지현 
Citation
 Clinical Endocrinology, Vol.74(6) : 776~782, 2011 
Journal Title
 Clinical Endocrinology 
ISSN
 0300-0664 
Issue Date
2011
Abstract
PURPOSE: The aim of this study was to evaluate the overall ultrasonographic features and clinical factors that contribute to inadequate sampling in ultrasound-guided fine-needle aspiration biopsy (US-FNAB) of thyroid nodules. MATERIALS AND METHODS: From April 2008 to December 2008, 4077 US-FNABs in 3767 consecutive patients were reviewed. We evaluated the clinical, ultrasound and pathological features of patients and analysed the association between these features and inadequate samples. We also compared inadequate sample rates according to the experience of the performing doctor. RESULTS: The inadequate sample rate was 16·1% (654/4077). Univariate analysis revealed an association between inadequate samples and cyst dominancy, macrocalcification and benign pathology of the nodule. The inadequate sample rate was also higher in the inexperienced group than in the experienced group. In multivariate analysis, cyst dominancy and macrocalcification of a nodule were significantly associated with inadequate samples in the experienced group. CONCLUSION: Cyst dominancy and macrocalcifications in thyroid nodules, inexperience of the performing doctor and benign pathology were factors associated with high inadequate sample rates of US-FNAB in thyroid nodules.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/93044
DOI
10.1111/j.1365-2265.2011.04011.x
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Yonsei Biomedical Research Center
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2265.2011.04011.x/abstract
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