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Quantitative Evaluation of Vascularity Using 2-D Power Doppler Ultrasonography May Not Identify Malignancy of the Thyroid

Authors
 Jung Hyun Yoon  ;  Hyun Joo Shin  ;  Eun-Kyung Kim  ;  Hee Jung Moon  ;  Yun Ho Roh  ;  Jin Young Kwak 
Citation
 Ultrasound in Medicine and Biology, Vol.41(11) : 2873-2883, 2015 
Journal Title
 Ultrasound in Medicine and Biology 
ISSN
 0301-5629 
Issue Date
2015
Keywords
Thyroid ; Neoplasm ; Ultrasound ; Doppler ; Vascularity
Abstract
The purpose of this study was to evaluate the usefulness of a quantitative vascular index in predicting thyroid malignancy. A total of 1309 thyroid nodules in 1257 patients (mean age: 50.2 y, range: 18-83 y) were included. The vascularity pattern and vascular index (VI) measured by quantification software for each nodule were obtained from 2-D power Doppler ultrasonography (US). Gray-scale US + vascularity pattern was compared with gray-scale US + VI with respect to diagnostic performance. Of the 1309 thyroid nodules, 927 (70.8%) were benign and 382 (29.2%) were malignant. The area under the receiver operating characteristics curve (Az) for gray-scale US (0.82) was significantly higher than that for US combined with vascularity pattern (0.77) or VI (0.70, all p < 0.001). Quantified VIs were higher in benign nodules, but did not improve the performance of 2-D US in diagnosing thyroid malignancy.
Full Text
http://www.sciencedirect.com/science/article/pii/S0301562915004317
DOI
10.1016/j.ultrasmedbio.2015.07.009
Appears in Collections:
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Jin Young(곽진영) ORCID logo https://orcid.org/0000-0002-6212-1495
Kim, Eun-Kyung(김은경) ORCID logo https://orcid.org/0000-0002-3368-5013
Roh, Yun Ho(노윤호)
Moon, Hee Jung(문희정) ORCID logo https://orcid.org/0000-0002-5643-5885
Shin, Hyun Joo(신현주) ORCID logo https://orcid.org/0000-0002-7462-2609
Yoon, Jung Hyun(윤정현) ORCID logo https://orcid.org/0000-0002-2100-3513
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/141275
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