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Compression device to reduce motion artifacts at contrast-enhanced MR imaging in the breast
1Department of Radiology, Klinikum der Georg-August-Universität Göttingen, Germany.
Radiology
|January 10, 1998
Summary
A new compression device for breast MRI significantly reduces motion artifacts. This innovation improves image quality, making lesion detection more reliable for patients undergoing breast cancer screening.
Area of Science:
- Medical Imaging
- Radiology
- Biomedical Engineering
Background:
- Motion artifacts are a common issue in breast magnetic resonance (MR) imaging, potentially obscuring lesions.
- Existing methods for reducing artifacts, like ventral stuffing, have limitations.
Purpose of the Study:
- To evaluate the effectiveness of a prototype compression device for bilateral breast surface coils in reducing motion artifacts.
- To assess the impact of compression on lesion conspicuity in breast MR imaging.
Main Methods:
- A prototype compression device was manufactured and tested in clinical practice on 157 patients.
- Results were compared to a control group of 181 patients who underwent MR imaging with simple ventral stuffing.
- Image quality, specifically the presence of severe motion artifacts, was assessed.
Main Results:
- The compression device reduced severe motion artifacts from 11% (20/181) to 2% (3/157) of examinations (P = .001).
- This significant reduction in artifacts improved the effectiveness of subtraction techniques in breast MR imaging.
- Enhanced lesion conspicuity was observed with the use of the compression device.
Conclusions:
- The prototype compression device is effective in minimizing motion artifacts during bilateral breast MR imaging.
- This technology enhances diagnostic accuracy by improving lesion visibility.
- The device facilitates more reliable application of advanced MR imaging techniques for breast cancer detection.