Axial echo planar diffusion-weighted images with
Distortion correction of echo-planar diffusion-weighted images of uterine cervix.
... mm, echo time 52 msec, repetition time 8000 msec, SPIR fat suppression, left–right phase encoding, one average, band- width ...the diffusion sequence was due to the extra outer volume suppression pulses ...
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Detection of Intracranial Hemorrhage: Comparison between Gradient echo Images and b0 Images Obtained from Diffusion weighted Echo planar Sequences
... Even anecdotal cases of missed or misdiagnosed hemorrhage on b 0 EPI should warrant caution in using this sequence as the primary diagnostic tool in the assessment of hemorrhage. This is important in devising an MR ...
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Practical Visualization of Internal Structure of White Matter for Image Interpretation: Staining a Spin Echo T2 Weighted Image with Three Echo Planar Diffusion Weighted Images
... a weighted spin-echo T2-weighted image and a weighted color-coded image that was con- structed from three echo-planar diffusion-weighted images with ...
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Diffusion Weighted Imaging with Dual Echo Echo Planar Imaging for Better Sensitivity to Acute Stroke
... second echo at a reason- able TE, as done in this work, and thereby use the information from both ...1 diffusion-preparation period, we found that one can use echo 2 for improved sensitivity to ...
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Readout-segmented echo-planar imaging in diffusion-weighted mr imaging in breast cancer: comparison with single-shot echo-planar imaging in image quality
... MR images in 39-year-old woman with invasive ductal carcinoma in her right ...readout-segmented echo-planar image (B), and ADC map ...apparent diffusion coefficient, CNR = contrast-to-noise ...
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Clinical Application of Readout Segmented− Echo Planar Imaging for Diffusion Weighted Imaging in Pediatric Brain
... ⫺ echo-planar imaging; SNR ⫽ signal intensity–to-noise ratio; TE min ⫽ minimum TE I n the past decade, DWI has emerged as an important tech- nique not only in stroke imaging but also in various other ...
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Comparison of Echo Planar Diffusion Weighted Imaging and Delayed Postcontrast T1 Weighted MR Imaging for the Detection of Residual Cholesteatoma
... DPI for Residual Cholesteatoma Detection Although MR imaging with gadolinium injection allows a good discrimination between granulation tissue, inflamma- tory tissue, scar tissue, and cholesteatoma in nonoperated ears, ...
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Correction of distortions in MR Echo Planar images using a super-resolution T2-Weighted volume
... The computational complexity is one of the main problem in the contest of SRR methods, because they often involve multiple iterations with big dimension data. In the SRA-T1W method, the first step of the reconstruction ...
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The Diagnostic Accuracy of Non Echo Planar Diffusion Weighted Imaging in the Detection of Residual and/or Recurrent Cholesteatoma of the Temporal Bone
... A very interesting finding of our study was that, in contrast to the literature, we encountered 4 patients who showed in- creased DW signal intensity on non-EPI DWI. Two of these patients underwent surgery and showed no ...
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Use of Non Echo Planar Diffusion Weighted MR Imaging for the Detection of Cholesteatomas in High Risk Tympanic Retraction Pockets
... HASTE images were blindly interpreted by an experi- enced neuroradiologist, and radiologic diagnosis of cholestea- toma was considered when a marked hyperintensity in compari- son with brain tissue was noted on ...
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Diffusion Weighted Echo Planar MR Imaging of Primary Parotid Gland Tumors: Is a Prediction of Different Histologic Subtypes Possible?
... BACKGROUND AND PURPOSE: Our aim was to determine the value of echo-planar diffusion-weighted MR imaging (epiDWI) in differentiating various types of primary parotid gland tumors. MATERIALS AND ...
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Role of Diffusion Weighted Echo Planar MR Imaging in Differentiation of Residual or Recurrent Head and Neck Tumors and Posttreatment Changes
... a diffusion- weighted echo-planar pulse sequence similar to that used in our study, reported marked susceptibility artifacts in 42% of their studies in the region of the paranasal sinuses and ...
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Comparison of Spin Echo and Gradient Echo T1 Weighted and Spin Echo T2 Weighted Images at 3T in Evaluating Term Neonatal Myelination
... However, diffusion tensor imaging studies that have focused on the callosal splenium have shown disparate results; 1 study of preterm infants at term-equivalent age found significant differ- ences compared with ...
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High Resolution Diffusion Weighted Imaging of Neck Lymph Nodes Using 2D Single Shot Interleaved Multiple Inner Volume Imaging Diffusion Weighted Echo Planar Imaging at 3T
... In this study, the PE FOV was not large enough to cover the major neck LN groups. To apply 2D-ss-IMIV-DWEPI for clinical practice, the PE FOV must be increased. However, the geometric distortion will be increased with ...
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Turbo spin echo diffusion weighted MR of ischemic stroke
... Because diffusion techniques are intrinsically ex- tremely sensitive to motion, they were at first difficult to implement with patients in whom imaging was ...fast diffusion techniques rely on ...
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Are ADC values of readout segmented echo planar diffusion weighted imaging (RESOLVE) correlated with pathological prognostic factors in rectal adenocarcinoma?
... Discussion Comparison of RESOLVE ADC values between different pathological prognostic factors in RAC There are three pathological types of RAC: ductal, mu- cinous, and papillary. The guidelines established by the ...
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Unwarping Echo Planar Images Using CMTK 1 Release 1.2
... of images acquired with opposing phase encoding direction, one can compute a symmetric deformation field pair that undistorts both input ...0 images in diffusion images, and the actual ...
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Evaluating Instantaneous Perfusion Responses of Parotid Glands to Gustatory Stimulation Using High Temporal Resolution Echo Planar Diffusion Weighted Imaging
... high-temporal-resolution echo-planar dual-echo MR imaging pulse sequence has been designed for direct measurement of the proton density of the parotid ...
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Quantitative MR Evaluation of Intracranial Epidermoid Tumors by Fast Fluid attenuated Inversion Recovery Imaging and Echo planar Diffusion weighted Imaging
... FLAIR images, however, the ROIs of CSF were collected not only in the regions near the tumors but also in the distant lateral ventricles or large sylvian fissures, because of the CSF flow artifacts sometimes seen ...
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Diffusion tensor echo planar imaging with high spatial resolution and its applications
... trace images in Figure ...trace images based on modulus ...the images based on complex averaging are consistently larger than the respective results based on modulus ...
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