Magnetic resonance angiography. I. Basic principles.
The objective of this paper is to describe the basic physical principles important in magnetic resonance angiography (MRA). The data used were obtained from recent articles on MRA retrieved from Index Medicus 1985-92 and direct experience working with prototype MRA sequences. The information is presented in a manner suitable for those unfamiliar with the principles of MRA and magnetic resonance imaging (MRI). Magnetic resonance angiography is an important method that can be used to obtain angiograms without the injection of intravascular contrast medium. It is already proving to be of clinical use in the assessment of vascular disease.
Tress
B M
BM
Department of Radiology, University of Melbourne, Parkville, Vic., Australia.
Desmond
P M
PM
D001808:Blood Vessels / Q000473:pathology*; D006801:Humans; D007089:Image Enhancement; D008279:Magnetic Resonance Imaging / Q000379:methods; D014652:Vascular Diseases / Q000175:diagnosis