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Abstract #1423

Automated extraction of arterial and venous function from time-resolved multiphasic MR angiography

Yoonho Nam1, Jinhee Jang1, Song Lee1, Bumsoo Kim1, and Myeong Im Ahn1

1Department of Radiology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea, Republic of

Time-resolved multiphasic MR angiography (TRMRA) has been suggested as a useful tool for assessment of anatomical and hemodynamic information of vascular structure. Although TRMRA with contrast agent injection gives huge amount of 4D data, most previous reports have been relied on visual inspection of time series of projection images. Hence, proper processing of acquired 4D data is required to enhance clinical utility of TRMRA. At this point, we propose an automatic extraction algorithm for arterial input function and venous output function in the neck region from 4D TRMRA data.

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