1. Detection and Classification of Breast Lesions With Readout-Segmented Diffusion-Weighted Imaging in a Large Chinese Cohort
- Author
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Xiao Yong Zhang, Zhen Lu Yang, Li Ming Xia, Yi Qi Hu, Hui Ting Zhang, Tao Ai, Jia Huang, Chen Ao Zhan, and Min Xiong Zhou
- Subjects
Cancer Research ,medicine.medical_specialty ,Wilcoxon signed-rank test ,diffusion weighted MRI ,specificity ,lcsh:RC254-282 ,030218 nuclear medicine & medical imaging ,Lesion ,03 medical and health sciences ,0302 clinical medicine ,Breast cancer ,medicine ,breast neoplasms ,magnetic resonance imaging ,cardiovascular diseases ,skin and connective tissue diseases ,Original Research ,medicine.diagnostic_test ,business.industry ,Magnetic resonance imaging ,Retrospective cohort study ,medicine.disease ,Institutional review board ,lcsh:Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,sensitivity ,Oncology ,030220 oncology & carcinogenesis ,Cohort ,Radiology ,medicine.symptom ,business ,Diffusion MRI - Abstract
Objectives: To evaluate the performance of readout-segmented echo-planar imaging DWI (rs-EPI DWI) in detecting and characterizing breast cancers in a large Chinese cohort with comparison to dynamic contrast-enhanced MRI (DCE-MRI).Methods: The institutional review board approved this retrospective study with waived written informed consent. A total of 520 women (mean age, 43.1- ± 10.5-years) were included from July 2013 to October 2019. First, the ability of rs-EPI DWI in detecting breast lesions identified by DCE-MRI was evaluated. The lesion conspicuity of rs-EPI-DWI and DCE-MRI was compared using the Wilcoxon signed rank test. With pathology as a reference, the performance of rs-EPI DWI and DCE-MRI in distinguishing breast cancers was evaluated and compared using the Chi-square test.Results: Of 520 women, 327/520 (62.9%) patients had 423 lesions confirmed by pathology with 203 benign and 220 malignant lesions. The rs-EPI DWI can detect 90.8% (659/726) (reader 1) and 90.6% (663/732) (reader 2) of lesions identified by DCE-MRI. The lesion visibility was superior for DCE-MRI than rs-EPI-DWI (all p < 0.05). With pathology as a reference, the sensitivities and specificities of rs-EPI DWI in diagnosing breast cancers were 95.9% (211/220) and 85.7% (174/203) for reader 1 and 97.7% (215/220) and 86.2% (175/203) for reader 2. No significant differences were found for the performance of DCE-MRI and rs-EPI DWI in discriminating breast cancers (all p > 0.05).Conclusions: Although with an inferior lesion visibility, rs-EPI DWI can detect about 90% of breast lesions identified by DCE-MRI and has comparable diagnostic capacity to that of DCE-MRI in identifying breast cancer.
- Published
- 2021