Spin Echo
MR of the head and neck: comparison of fast spin echo and conventional spin echo sequences
... When compared with conventional spin-echo sequences, fast spinecho sequences provided improved or equal lesion conspicuousness in a majority of head and neck lesions Table 1 and did not [r] ...
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Comparison of spin echo MR pulse sequences for imaging of the brain
... fast spin-echo and GRASE ...even echo rephasing, which re- duces the total amount of flow artifacts ...conventional spin-echo images, owing to the narrow ...shot echo-planar ...
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MR evaluation of vertebral metastases: T1 weighted, short inversion time inversion recovery, fast spin echo, and inversion recovery fast spin echo sequences
... Three sequential studies of groups of sequences were performed in the study population. All three study groups had spin-echo sagittal and axial T1-weighted and STIR imaging. These two pulse sequences were ...
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A Spiral Spin Echo MR Imaging Technique for Improved Flow Artifact Suppression in T1 Weighted Postcontrast Brain Imaging: A Comparison with Cartesian Turbo Spin Echo
... MATERIALS AND METHODS: T1-weighted brain imaging was performed in 24 pediatric patients. After the administration of intravenous gadolinium contrast agent, a reference Cartesian TSE sequence with a scanning time of 2 ...
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Cardiac T2 mapping using a fast gradient echo spin echo sequence first in vitro and in vivo experience
... Multi Echo Spin Echo (MESE) technique is widely accepted as the reference method for T2-mapping, but it involves long scan durations and may yield artifacts - ...
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Turbo spin echo diffusion weighted MR of ischemic stroke
... 4). Echo- planar imaging of the brain allowed collection of a full set of diffusion-weighted sections, covering the whole brain in a very short time ...Diffusion-weighted echo-planar imaging requires ...
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Comparison of lesion enhancement on spin echo and gradient echo images
... For extraaxial and intraaxial lesions with edema, percent C was similar for spin-echo T1-weighted and three-dimensional gradient-echo images, while contrast to noise was greater for spin[r] ...
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Comparison of dynamic contrast enhanced gradient echo and spin echo sequences in MR of head and neck neoplasms
... the spin-echo technique, the lesion was difficult to differentiate from surrounding tissues owing to inhomogeneous fat ...the spin-echo images, since its size was overestimated owing to ...
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Characterization of a First Pass Gradient Echo Spin Echo Method to Predict Brain Tumor Grade and Angiogenesis
... Although the standard approach has been to acquire rCBV maps by using either gradient-echo (GE) or spin- echo (SE) imaging methods, our approach was to ac- quire GE and SE rCBV maps simultaneously. ...
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Evaluation of shared view acquisition using repeated echoes (SHARE): a dual echo fast spin echo MR technique
... In this trial, we compared conventional long-TR dual-echo spin-echo imaging with the SHARE technique shared view acquisition using repeated echoes, a variation of the RARE pulse sequence[r] ...
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Assessment of carotid artery patency on routine spin echo MR imaging of the brain
... TABLE 1: Intraluminal Signal Changes on Spin-Echo MR Imaging of Angiographically Demonstrated Occlusion or Stenosis of the Carotid Artery Angiographic Finding MR Signal Occlusion High-Gr[r] ...
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Fast spin echo MR in the detection of vertebral metastases: comparison of three sequences
... PURPOSE: To examine the relative capabilities for the detection of vertebral metastases of three available fast spin-echo sequences: T ]-weighted fast spin-echo, short tau inversion reco[r] ...
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T2 weighted three dimensional turbo spin echo MR of intracranial aneurysms
... spin-echo images (Figs 1 and 2). Two 2-mm aneurysms arising at the origin of the anterior choroidal artery were more clearly depicted on the MPR images along the long axis of the par- ent vessel or ...
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Fast spin echo MR in hippocampal sclerosis: correlation with pathology and surgery
... fast spin-echo MR, pathologic find- ings, and surgical ...fast spin-echo MR involved the hippocampus diffusely from the head to the posterior body or tail, and focal involvement was not ...
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Gradient Spin Echo (GraSE) imaging for fast myocardial T2 mapping
... (2) echo-planar-imaging (EPI) [17]. In this sequence a train of spin-echoes is generated by several 180° radiofre- quency pulses and each individual spin echo is acquired with an EPI ...TSE ...
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Hyperecho Turbo Spin Echo Sequences at 3T: Clinical Application in Neuroradiology
... refocusing flip angles are used so that high flip angles produce a high signal for the encoding of the central k-space, and lower flip angles are applied for the acquisition of outer parts of the k-space. Asymmetric ...
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T2 mapping of the heart with a double inversion radial fast spin echo method with indirect echo compensation
... an echo sharing (ES) algo- rithm [17] or a model-based algorithm we recently deve- loped: CUrve Reconstruction via pca-based Linearization with Indirect Echo compensation (CURLIE) algorithm ...
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GRASE (gradient and spin echo) MR of the brain
... turbo spin-echo se- quences have replaced conventional spin-echo sequences in routine T2-weighted magnetic resonance (MR) imaging of the ...Turbo spin-echo imaging is faster and ...
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MR Imaging of the Cavernous Sinus: Value of Spin Echo and Gradient Recalled Echo Images
... Correlation of coronal T1-weighted spin echo and gradient recalled echo images the laHer with high-signal-intensity vascular structures proved to be an effective means of identifying cav[r] ...
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Fast spin echo imaging of the neck: comparison with conventional spin echo, utility of fat suppression, and evaluation of tissue contrast characteristics
... Second, the use of a 256 X 192 or higher matrix in 26 of 27 patients with fast spin -echo but in only 9 of 27 conventional spin-echo examinations would tend to bias the results toward th[r] ...
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