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Preoperative assessment of extrathyroidal extension of papillary thyroid carcinoma comparison of 2- and 3-dimensional sonography

Authors
 Hye Mi Gweon  ;  Eun Ju Son  ;  Ji Hyun Youk  ;  Jeong-Ah Kim  ;  Cheong Soo Park 
Citation
 JOURNAL OF ULTRASOUND IN MEDICINE, Vol.33(5) : 819-825, 2014 
Journal Title
 JOURNAL OF ULTRASOUND IN MEDICINE 
ISSN
 0278-4297 
Issue Date
2014
MeSH
Adult ; Aged ; Carcinoma/diagnostic imaging* ; Carcinoma/pathology* ; Carcinoma/surgery ; Carcinoma, Papillary ; Female ; Humans ; Image Enhancement/methods ; Image Interpretation, Computer-Assisted/methods* ; Imaging, Three-Dimensional/methods* ; Male ; Middle Aged ; Neoplasm Invasiveness ; Observer Variation ; Preoperative Care/methods ; Reproducibility of Results ; Sensitivity and Specificity ; Thyroid Neoplasms/diagnostic imaging* ; Thyroid Neoplasms/pathology* ; Thyroid Neoplasms/surgery ; Ultrasonography/methods*
Keywords
2-dimensional sonography ; 3-dimensional sonography ; extrathyroidal extension ; papillary thyroid carcinoma ; tumor staging ; ultrasound
Abstract
OBJECTIVES: The purpose of this study was to evaluate the diagnostic performance and interobserver agreement of 2-dimensional (2D) and 3-dimensional (3D) sonography for evaluating extrathyroidal extension of papillary thyroid carcinoma. METHODS: A total of 79 papillary thyroid carcinomas in 79 patients who underwent both 2D and 3D sonography for preoperative staging of papillary thyroid carcinoma were included. When the lesion was abutting on the thyroid capsule on 2D sonography, 3D sonography was performed. Three radiologists reviewed 3 data sets: 2D sonography, 3D sonography, and a combined set of both for tumor staging. The diagnostic performance, including sensitivity, specificity, positive predictive value, negative predictive value, and accuracy, for extrathyroidal extension was analyzed. Interobserver agreement of the 3 radiologists was assessed with κ values. RESULTS: The overall accuracy rates for 2D sonography, 3D sonography, and the combined set in predicting extrathyroidal extension were 60.8%, 66.2%, and 67.9%, respectively. The accuracy of the combined set was significantly higher than that of 2D sonography (P = .016). The interobserver agreement of the 3 reviewers was fair (κ = 0.33) for 2D sonography and moderate for 3D sonography (κ = 0.46) and the combined set (κ = 0.49). CONCLUSIONS: Adding 3D sonography to 2D sonography could improve the accuracy and interobserver agreement for predicting extrathyroidal extension of papillary thyroid carcinoma.
Full Text
http://www.jultrasoundmed.org/content/33/5/819.long
DOI
10.7863/ultra.33.5.819
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Gweon, Hye Mi(권혜미) ORCID logo https://orcid.org/0000-0002-3054-1532
Kim, Jeong Ah(김정아) ORCID logo https://orcid.org/0000-0003-4949-4913
Park, Cheong Soo(박정수)
Son, Eun Ju(손은주) ORCID logo https://orcid.org/0000-0002-7895-0335
Youk, Ji Hyun(육지현) ORCID logo https://orcid.org/0000-0002-7787-780X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/98688
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