Rajesh Krishnamurthy,Raja Muthupillai,Taylor Chung
Rajesh Krishnamurthy
Vascular pathology in children is commonplace and involves every organ system; however, the powerful, noninvasive, and rapid three-dimensional imaging capability offered by MR angiography is underutilized in children. The success of pediatr...
Elizabeth M Hecht,Andrew Rosenkrantz
Elizabeth M Hecht
This article discusses the role of magnetic resonance angiography (MRA) in evaluating the pulmonary arterial system. For depiction of pulmonary arterial anatomy and morphology, MRA techniques are compared with CT angiography and digital sub...
Peripheral MR angiography [0.03%]
外周MR血管造影
Harald Kramer,Konstantin Nikolaou,Wieland Sommer et al.
Harald Kramer et al.
Imaging of the arteries of the lower extremity is most often performed in patients who have known or suspected peripheral artery occlusive disease. Due to the recent advances in imaging modalities, the radiologic approach to the diagnosis o...
Michael Griffin,Thomas M Grist,Christopher J François
Michael Griffin
Time-resolved (four-dimensional) contrast-enhanced MR angiography (CE-MRA) circumvents many of the adverse effects and limitations of conventional x-ray digital subtraction angiography. Four-dimensional CE-MRA uses improvements in gradient ...
Hemant Parmar,Marko K Ivancevic,Nancy Dudek et al.
Hemant Parmar et al.
Four-dimensional time-resolved MR angiography (4D-MRA) using keyhole imaging techniques is a new method of performing contrastenhanced vascular imaging. Combining parallel imaging and keyhole imaging techniques, it is possible to obtain dyn...
Susceptibility-weighted imaging: clinical angiographic applications [0.03%]
高分辨率磁敏感加权成像技术的临床应用进展与发展前景
Samuel R S Barnes,E Mark Haacke
Samuel R S Barnes
By combining filtered phase and magnitude information to create a novel and intrinsic source of contrast, susceptibility-weighted imaging (SWI) has shown great promise in clinical angiography and venography. SWI has contributed to new insig...
Benjamin Y Huang,Mauricio Castillo
Benjamin Y Huang
The primary advantage of high field strength MR imaging over imaging on modern 1.5 Tesla (T) systems is increased signal-to-noise ratio, which can be used to improve image quality or shorten scan acquisition time. In the years since 3.0T sc...
Non-contrast-enhanced MR imaging of renal artery stenosis at 1.5 tesla [0.03%]
1.5T无需注射对比剂的肾脏动脉狭窄MR检查
Gregory J Wilson,Jeffrey H Maki
Gregory J Wilson
Balanced steady-state free precession (Bal-SSFP) techniques produce excellent anatomic images of renal arteries without the use of contrast agents and are relatively flow-insensitive. Electrocardiography (ECG)-triggered and non-ECG-triggere...
Marko K Ivancevic,Liesbeth Geerts,William J Weadock et al.
Marko K Ivancevic et al.
Magnetic resonance provides a wide variety of possibilities for arterial and venous blood vessel imaging in all vascular territories. This article provides a brief review of the technical principles of MR angiography. The first section is d...
William J Weadock,Thomas L Chenevert
William J Weadock