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Abstract #1682

Influence of breast biopsy clips on diffusion weighted MRI of the breast

Christian Kremser1, Birgit Amort1, and Martin Daniaux1
1Dept. of Radiology, Medical University of Innsbruck, Innsbruck, Austria


Patients undergoing breast MRI frequently have metallic biopsy clips placed within or adjacent to the lesion, producing metallic artifacts, which could lead to misinterpretation. The aim of our study was to investigate the extent of the artifact of four different clips commonly used in our hospital on diffusion-weighted images obtained with a readout-segmented sequence (RESOLVE) and their influence on ADC maps. It is found that artifacts vary in shape and size between different clips, DWI images and ADC-maps. For the marker with the smallest artifact the minimum size of detectable lesion seems to be approximately 10mm.

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