Abstract #1130
Assessment of Tumor Morphology on Diffusion-Weighted Breast MRI: Diagnostic Value of Reduced FOV High Resolution Diffusion-Weighted Imaging
Maarten W. Barentsz 1 , Valentina Taviani 2 , Jung M. Chang 3 , Debra M. Ikeda 2 , Kanae K. Myiake 4 , Suchandrima Banerjee 5 , Maurice A.A.J. van den Bosch 1 , Brian A. Hargreaves 2 , and Bruce L. Daniel 2
1
Radiology, University Medical Center
Utrecht, Utrecht, Netherlands,
2
Radiology,
Stanford University, Stanford, CA, United States,
3
Radiology,
Seul National University Hospital, Seul, Korea,
4
Diagnostic
Imaging and Nuclear Medicine, Kyoto University Hospital,
Kyoto, Japan,
5
Global
Applied Science Laboratory, GE Healthcare, Menlo Park,
CA, United States
The diagnostic value of reduced FOV (r-FOV) high
resolution diffusion-weighted imaging (DWI) in
discriminating between benign and malignant breast
lesions was assessed with respect to conventional,
bilateral (bil) DWI and contrast-enhanced (CE) MRI. The
discriminatory ability of r-FOV based on ADC was similar
to bil-DWI. The area under the receiver operating
characteristics for the predictive value of lesion shape
and BI-RADS classification was higher when r-FOV DWI was
used instead of bil-DWI. CE-MRI alone had a higher
predictive value for malignancies than both r-FOV and
bil-DWI. High-resolution DWI of targeted lesions allowed
more accurate evaluation of tumor morphology than
bil-DWI.
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