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Preoperative prediction of the extrathyroidal extension of papillary thyroid carcinoma with ultrasonography versus MRI: a retrospective cohort study.

 Hana Kim  ;  Jeong-Ah Kim  ;  Eun Ju Son  ;  Ji Hyun Youk  ;  Tae-Sub Chung  ;  Cheong Soo Park  ;  Hang-Seok Chang 
 INTERNATIONAL JOURNAL OF SURGERY, Vol.12(5) : 544-548, 2014 
Journal Title
Issue Date
Adult ; Aged ; Aged, 80 and over ; Carcinoma/diagnostic imaging* ; Carcinoma/pathology* ; Carcinoma/surgery ; Carcinoma, Papillary ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Neoplasm Staging ; Preoperative Care ; Retrospective Studies ; Thyroid Neoplasms/diagnostic imaging* ; Thyroid Neoplasms/pathology* ; Thyroid Neoplasms/surgery ; Ultrasonography ; Young Adult
Imaging ; Magnetic resonance imaging ; Papillary thyroid carcinoma ; Sensitivity ; Tumor staging ; Ultrasound
BACKGROUND: The purpose of this study was to assess the diagnostic performance of preoperative ultrasonography (US) for the prediction of extrathyroidal extension (ETE) in patients with papillary thyroid carcinoma (PTC) and to compare the diagnostic performances of US and magnetic resonance imaging (MRI) for predicting ETE. METHODS: 75 patients with PTC who underwent preoperative US and MRI were retrospectively reviewed in this study. Two radiologists independently evaluated the US and MR findings to assess minimal or extensive ETE of PTC. These results were compared with the histopathologic findings. The diagnostic performances of US and MRI in the evaluation of ETE were compared. RESULTS: US was more accurate than MRI in the prediction of minimal ETE (p < 0.05) and the accuracies were not significantly different between US and MRI in extensive ETE. US showed higher sensitivity, negative predictive value and accuracy than MRI (p < 0.001) in the prediction of overall ETE. CONCLUSION: US provided higher accuracy for assessing overall ETE and higher sensitivity for minimal ETE than MR imaging in preoperative evaluation of ETE of PTC. There was no significant difference in evaluating extensive ETE of PTC between US and MRI.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jeong Ah(김정아) ORCID logo https://orcid.org/0000-0003-4949-4913
Kim, Ha Na(김하나)
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
Chang, Hang Seok(장항석) ORCID logo https://orcid.org/0000-0002-5162-103X
Chung, Tae Sub(정태섭)
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