✦ LIBER ✦

EPISTAR MRI: Multislice mapping of cerebral blood flow

✍ Scribed by Robert R. Edelman; Qun Chen

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 691 KB
Volume: 40
Category: Article
ISSN: 0740-3194
DOI: 10.1002/mrm.1910400603

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A method is described for multislice EPISTAR that perfectly compensates magnetization transfer effects. lnflowing arterial spins are labeled with a 360° adiabatic pulse. Two control tags are applied sequentially at the same location as the labeling pulse, each with a 180° adiabatic pulse so the total RF irradiation, frequency shift, and bandwidth of the labeling and control pulses are identical. Therefore, magnetization transfer effects are the same as for the labeling pulse and cancel with image subtraction for all slices. The method also eliminates tagging of venous spins and concern about asymmetric magnetization transfer effects.

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