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Journal of Breast Disease > Volume 8(1); 2020 > Article
Journal of Breast Disease 2020;8(1): 19-24. doi: https://doi.org/10.14449/jbd.2020.8.1.19
조기 유방암에서 수술 전 유방초음파 및 유방 자기공명영상검사와 수술 후 병리학적 종양 크기에 대한 비교 연구
김은혁, M.D., 박찬균, M.D., 최은혜, M.D., 김예정, M.D., 김미진, M.D., 한규담, M.D., 박영삼, M.D., 김철승, M.D., 노경희, M.D.1, 유은애, M.D.1, 나경균, M.D.1
예수병원 외과
1예수병원 영상의학과
Analysis of Tumor Size between Imaging of Preoperative Ultrasound, MRI and Pathologic Measurements in Early Breast Carcinoma
Eun Hyeok Kim, M.D., Chan Gyun Park, M.D., Eun Hye Choi, M.D., Ye Jeong Kim, M.D., Mi Jin Kim, M.D., Kyu Dam Han, M.D., Young Sam Park, M.D., Cheol Seung Kim, M.D., Kyun Hui No, M.D.1, Eun Ae Yu, M.D.1, Gyeong Gyun Na, M.D.1
Department of Surgery, Presbyterian Medical Center, Jeonju, Korea
1Department of Department of Radiology, Presbyterian Medical Center, Jeonju, Korea
Corresponding Author: Cheol Seung Kim ,Tel: +82-63-230-1408, Fax: +82-63-230-1409, Email: cskimmd@hotmail.com
Received: September 23, 2019    Revised: November 4, 2019    Accepted: April 11, 2020
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ABSTRACT
Purpose: Preoperative tumor size is associated with clinical stage, treatment plan and even survival rate of patient. We investigated the accuracy of tumor size estimation between magnetic resonance imaging (MRI) and ultrasonography (US) findings, comparing these with pathologic tumor size in the diagnosis of early breast carcinoma.
Methods: Between 2011 and 2016, 136 patients with early breast cancer were analyzed and their tumor size on US and MRI findings were compared with their pathologic tumor size retrospectively. The background parenchymal enhancement of MRI was categorized as minimal, mild, moderate, and extreme. The patients who underwent neoadjuvant chemotherapy, had positive resection margins, underwent excisional biopsy for cancer diagnosis, and had non-mass lesions on MRI scans, were excluded.
Results: In all, 83.1% of the cases showed concordance between MRI findings and pathologic tumor size within 0.5cm. MRI overestimated the findings by 10.3% and underestimated them by 6.6%; 78.7% showed concordance between US findings and pathologic tumor size within 0.5cm. US overestimated the findings by 5.9% and underestimated them by 15.4%. The tumor size on MRI (r=0.87) showed a stronger correlation to the pathologic tumor size than that on US (r=0.64) in early breast cancer patients. US had a tendency to underestimate the tumor size. The degree of breast parenchyma did not affect the accuracy of the measurement of preoperative tumor size.
Conclusions: MRI is relatively more accurate than US for assessing preoperative tumor size in breast cancer patients. US tends to underestimate tumor size.
Keywords: Breast neoplasms | Comparative study | Tumor burden
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