Abstract #4565
Acquisition of numerical, objective information on the Perfusion Territory Area using t-test based perfusion area measurement from multiple time points territorial arterial spin labeling (tASL)
Makoto Obara 1 , Morio Nagahata 2 , Tomoyuki Okuaki 3 , Nobuko Minagawa 4 , Masanobu Nakamura 1 , and Marc Van Cauteren 3
1
Philips Electronics Japan, Minato-ku, Tokyo,
Japan,
2
Stroke
Center, Yamagata City Hospital SAISEIKAN, Yamagata,
Japan,
3
Philips
Healthcare, Asia Pacific, Tokyo, Japan,
4
Department
of Radiology, Yamagata City Hospital SAISEIKAN,
Yamagata, Japan
The multiple time points territorial arterial spin
labelling (tASL) was conducted in healthy volunteers and
patients with cerebrovascular occlusive disease. We
propose an accumulated-area map, accumulating the
perfusion pixels picked up by t-test, of all phases in
each vessel territory. We also calculate the Percentage
Perfusion-Territory Area (%PT-A) from the
accumulated-area map. We discuss the validity and
clinical usefulness of this unique approach to the tASL.
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