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Computer-aided diagnosis aids diagnosis of breast lesions classification on ultrasound: Study
China: A recent study has shown that computer-aided diagnosis (CAD) based on deep learning for breast lesion classification on ultrasound can significantly improve radiologists' diagnostic performance, particularly in reducing the frequency of benign breast biopsies. The study appeared in ARRS’s American Journal of Roentgenology (AJR).
Compared with the literature supporting CAD at tertiary and/or urban centers, results from this prospective multicenter study of radiologists without breast ultrasound expertise “support CAD in settings with incomplete access to breast imaging expertise,” wrote corresponding author Li-Gang Cui, MD, from Peking University Third Hospital in Beijing, China.
Cui et al.’s AJR study included patients scheduled to undergo biopsy or surgical resection of a breast lesion, classified as BI-RADS category 3-5 on prior breast ultrasound, at eight Chinese secondary or rural hospitals from November 2021 to September 2022. Patients underwent an additional investigational breast ultrasound, both performed and interpreted by a radiologist with no expertise in the modality. Hybrid body-breast imagers—radiologists lacking breast subspecialty training or in whom breast ultrasound accounted for less than 10% of their ultrasounds performed annually—then assigned a BI-RADS category. CAD results were used to upgrade reader-assigned BI-RADS category 3 lesions to category 4A and downgrade BI-RADS 4A lesions to 3. Histologic results of biopsy or resection served as the researchers’ reference standard.
Ultimately, application of CAD to interpretations by radiologists without breast ultrasound expertise resulted in upgrade of 6.0% (6/100) of BI-RADS category 3 assessments to category 4A, of which 16.7% (1/6) were malignant, and downgrade of 79.1% (87/110) of category 4A assessments to category 3, of which 4.6% (4/87) were malignant.
Because institutions lacking breast imaging expertise may also suffer from capacity issues to perform image-guided breast biopsies and pathologic evaluation of biopsy specimens, decreasing benign biopsies care of CAD “would be impactful,” the authors of this AJR accepted manuscript added.
Reference:
Deep Learning–Based Computer-Aided Diagnosis for Breast Lesion Classification on Ultrasound: A Prospective Multicenter Study of Radiologists Without Breast Ultrasound Expertise, Ping He, Wen Chen, Ming-Yu Bai, Jun Li, Qing-Qing Wang, Li-Hong Fan, Jian Zheng, Chun-Tao Liu, Xiao-Rong Zhang, Xi-Rong Yuan, Peng-Jie Song, and Li-Gang Cui, American Journal of Roentgenology.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751