KCI등재
SCIE
SCOPUS
Unenhanced Breast MRI With Diffusion-Weighted Imaging for Breast Cancer Detection: Effects of Training on Performance and Agreement of Subspecialty Radiologists
저자
Kim Yeon Soo (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.) ; Lee Su Hyun (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.) ; Kim Soo-Yeon (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.) ; Kim Eun Sil (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.) ; Park Ah Reum (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.) ; Chang Jung Min (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.) ; Park Vivian Youngjean (Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Republic of Korea.) ; Yoon Jung Hyun (Department of Radiology, Severance Hospital, Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Republic of Korea.) ; Kang Bong Joo (Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.) ; Yun Bo La (Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.Department of Radiology, Seoul National University Bundang Hospital, Seoul, Republic of Korea.) ; Kim Tae Hee (Department of Radiology, Ajou University Medical Center, Suwon, Republic of Korea.) ; Ko Eun Sook (Department of Radiology and Center for Imaging Science, Samsung Medical Center, Seoul, Republic of Korea.) ; Chu A Jung (Department of Radiology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Republic of Korea.) ; Kim Jin You (Department of Radiology, Medical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Republic of Korea.) ; Youn Inyoung (Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.) ; Chae Eun Young (Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.) ; Choi Woo Jung (Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.) ; Kim Hee Jeong (Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.) ; Kang Soo Hee (Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Republic of Korea.) ; Ha Su Min (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.Institute of Radiation Medicine, Seoul National University Medical Rese) ; Moon Woo Kyung (Department of Radiology, Seoul National University Hospital, Seoul, Republic of Korea.Department of Radiology, Seoul National University College of Medicine, Seoul, Republic of Korea.Institute of Radiation Medicine, Seoul National University Medical Rese)
발행기관
학술지명
권호사항
발행연도
2024
작성언어
English
주제어
등재정보
KCI등재,SCIE,SCOPUS
자료형태
학술저널
수록면
11-23(13쪽)
DOI식별코드
제공처
Objective: To investigate whether reader training improves the performance and agreement of radiologists in interpreting unenhanced breast magnetic resonance imaging (MRI) scans using diffusion-weighted imaging (DWI).
Materials and Methods: A study of 96 breasts (35 cancers, 24 benign, and 37 negative) in 48 asymptomatic women was performed between June 2019 and October 2020. High-resolution DWI with b-values of 0, 800, and 1200 sec/mm2 was performed using a 3.0-T system. Sixteen breast radiologists independently reviewed the DWI, apparent diffusion coefficient maps, and T1-weighted MRI scans and recorded the Breast Imaging Reporting and Data System (BI-RADS) category for each breast. After a 2-h training session and a 5-month washout period, they re-evaluated the BI-RADS categories. A BI-RADS category of 4 (lesions with at least two suspicious criteria) or 5 (more than two suspicious criteria) was considered positive. The per-breast diagnostic performance of each reader was compared between the first and second reviews. Inter-reader agreement was evaluated using a multi-rater κ analysis and intraclass correlation coefficient (ICC).
Results: Before training, the mean sensitivity, specificity, and accuracy of the 16 readers were 70.7% (95% confidence interval [CI]: 59.4–79.9), 90.8% (95% CI: 85.6–94.2), and 83.5% (95% CI: 78.6–87.4), respectively. After training, significant improvements in specificity (95.2%; 95% CI: 90.8–97.5; P = 0.001) and accuracy (85.9%; 95% CI: 80.9–89.8; P = 0.01) were observed, but no difference in sensitivity (69.8%; 95% CI: 58.1–79.4; P = 0.58) was observed. Regarding inter-diffusionreader agreement, the κ values were 0.57 (95% CI: 0.52–0.63) before training and 0.68 (95% CI: 0.62–0.74) after training, with a difference of 0.11 (95% CI: 0.02–0.18; P = 0.01). The ICC was 0.73 (95% CI: 0.69–0.74) before training and 0.79 (95% CI: 0.76–0.80) after training (P = 0.002).
Conclusion: Brief reader training improved the performance and agreement of interpretations by breast radiologists using unenhanced MRI with DWI.
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