[PDF] Top 20 Time Resolved Contrast Enhanced Carotid MR Angiography Using Sensitivity Encoding (SENSE)

... of time-resolved, contrast-enhanced 3D carotid MR angiography are the ability to pro- vide information regarding the anatomy and flow dynamics in the neck vessels without ... See full document

... final sensitivity and spec- ificity may not reflect the true values for an uns- elected ...this sense, rotational angiography frequently depicts more severe internal carotid artery stenosis ... See full document

... by using a sensitivity-encoding (SENSE) head ...and SENSE factor ⫽ ...overall time for acquisition was 5 minutes 40 ...by using a 3D section-interleaved gradient-echo ... See full document

... a Sense-Head-8 receiver head coil. 3D-TOF-MRA was conducted using a 3D-T1-FFE sequence with TR/TE, 35/7; flip angle, 20°; field-of-view (FOV), 250 × 190 × 108; four slabs (180 slices); slice thickness, ... See full document

... resonance angiography; CE-MRA: Contrast enhanced magnetic resonance angiography; CENTRA: Contrast-enhanced timing-robust angiography; CHD: Congenital heart disease; CMR: ... See full document

... dynamic time-resolved MR digi- tal subtraction angiography has proven its effective- ness for the evaluation of arteriovenous malforma- tions (7, 9, 10, 26, ...Other MR angiographic ... See full document

... acceleration factor, 2. Although detailed physics of the TWIST se- quence are beyond the scope of this article, a brief description is pro- vided. TWIST relies on partial k-space undersampling, with emphasis on more ... See full document

... All DSA images were evaluated on hardcopies created from stan- dard and superselective series of each examination. They were ana- lyzed by 2 experienced interventional neuroradiologists (S.G.W., H.Y.) in consensus. Both ... See full document

... when using duplex ...MR angiography. In seven cases, pseudo-occlu- sions of the internal carotid artery were clearly de- tected with MR ...later-phase MR angiogram showed that ... See full document

... by using a standard 6-channel head coil, a sensitivity encoding factor of 2, and contrast-enhanced timing ro- bust angiography (CENTRA) k-space ...acquisition time, ... See full document

... the time-resolved imaging technique, high-spatial-resolution images were acquired at 3T with an 8-channel phased array head coil (Siemens Medical ...localized sensitivity and enabled the use of ... See full document

... by Using CENTRA Keyhole at 3T. MR imaging was performed on a 3T whole-body scanner (Achieva; Philips Health- care, Best, the Netherlands) with an 8-channel phased-array head ...by using CENTRA ... See full document

... acquisition time, we applied phase and section partial Fourier (6/8) with zero interpolation, resulting in ...the time-resolved acquisition, single-phase high-spatial-resolution CE-MRA of the ca- ... See full document

... of contrast-enhanced MR angiog- raphy and duplex sonography and the specificity of the combination of both modalities were similar, with a slight improvement in duplex sonography and con- ... See full document

... shorter time period of ⬍ 2 ...ing carotid artery disease at our ...the sensitivity and specificity of CE MRA in individual vertebral artery segments were not calcu- ... See full document

... spinal angiography failed to demonstrate an arte- riovenous ...studies, sensitivity, specific- ity, positive predictive value, and negative predictive value for ... See full document

... time-of-flight MRA. However, the small amount of motion of the metal stent itself, which invariably occurs in vivo, has probably more effect on the ALN of MR imaging measure- ments than of CT measurements. ... See full document

... is time-consuming and the true aneurysm lumen is of low signal on the presaturated images, which precludes its representation on MIP ...on contrast-enhanced MRA images provides a solution to the ... See full document

... first-pass MR angiography should have high differentiation between the con- trast-filled vascular lumen and the surrounding structures in order to show the ...of contrast material during acquisition, ... See full document

... All MR images were acquired on a ...3D MR DSA images were acquired using a standard dose of ...and time between temporal acquisition frames ...reconstructed using a matrix of 512 3 256 ... See full document