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Abstract #0950

Earlier detection of breast cancer by abbreviated MRI screening using color intensity projections (CIP) applied to high spatiotemporal resolution imaging

Keith S Cover1, Katya M Duvivier2, Pim de Graaf2, Ben J Slotman3, Joost PA Kuijer1, Mark BM Hofman1, and Rudolf M Verdaasdonk1

1Physics and Medical Technology, VU University Medical Center, Amsterdam, Netherlands, 2Radiology, VU University Medical Center, Amsterdam, Netherlands, 3Radiotherapy, VU University Medical Center, Amsterdam, Netherlands

Dynamic contrast enhancement (DCE) MRI is more sensitive than X-ray based mammography for detecting breast cancer especially for the 10% of women with extremely dense breasts. However, full diagnostic protocol (FDP) MR exams are too expensive for screening. Recent abbreviated MR protocols - which require only one quarter of the acquisition time - use high spatial temporal resolution (HSTR) sequences that generate thousands of images. We found color intensity projections (CIP) reduces radiologist reading time for detection of malignant tumours by visualizing their amount and time of enhancement (TOE) especially in combination with the value of the maximum slope (VMS).

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