To TOF or Not to TOF: Non-contrast-enhanced intracranial MRA at 7 Tesla
S Maderwald, SC Ladd, ER Gizewski, O Kraff, JM Theysohn, K Wicklow, C Moenninghoff, I Wanke, ME Ladd, HH Quick · RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren · 2008 · Heft 02
Bibliografische Angaben
Zusammenfassung
Purpose: The purpose of this study was to optimize and to evaluate 3D Time-of-Flight (TOF)-like non-contrast-enhanced MR angiography (MRA) techniques for display of the intracranial arteries at 7T. Fig.1: Rating of large vessels (ML P1. and A1) and small vessels (M3, P3. and A3) for the four different sequence types. average grade of the two readers. Significant differences in ratings between source and MIP images were found in large vessel VIBE(p