Diffusion weighted imaging (DWI)
Assessing of depth of myometrial invasion and preoperative staging of endometrial cancer: the added value of diffusion-weighted imaging and dynamic contrast-enhanced MRI sequences
... Diffusion-weighted imaging (DWI) is a modality that can be used to study microscopic motion of water ...planar imaging, are preferable for diffusion applications due to their capability ...
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Automatic Brain Lesion Detection and Classification Based on Diffusion-Weighted Imaging using Adaptive Thresholding and a Rule-Based Classifier
... Diffusion weighted imaging (DWI) is considered as the most sensitive technique in detecting acute infarction and is useful in giving details of the component of brain lesions ...altered ...
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Atlas-based semi-automatic segmentation of Whole-Body Diffusion Weighted Imaging images: Quantification of tumor burden
... in diffusion-restricted tissues (high ADC), although signal in- tensities decrease in all ...between diffusion-restricted and unrestricted tissues, while decreasing the relative contribution of ...
148
Prognosis prediction of measurable enhancing lesion after completion of standard concomitant chemoradiotherapy and adjuvant temozolomide in glioblastoma patients: application of dynamic susceptibility contrast perfusion and diffusion-weighted imaging.
... perfusion-weighted imaging (PWI) and diffusion- weighted imaging (DWI) ...MR imaging methods is useful in predicting early treatment response or prognosis in patients with ...
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Magnetic resonance imaging: dynamic contrast enhancement and diffusion-weighted imaging to identify malignant cervical lymph nodes
... of diffusion-weighted imaging (DWI)—to determine the ap- parent diffusion coefficient (ADC)—and dynamic contrast enhancement (DCE)—to quantify perfusion and vascu- larity—allows metastatic ...
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The added value of diffusion-weighted imaging in the preoperative assessment of endometrial cancer
... tation of the depth of myometrial invasion and stage of the cancer based on the FIGO staging system, consider- ing three sets of sequences: T2WI, DCE-MRI+T2WI, and DWI+T2WI. In all patients, the observers started with ...
8
Objective value on Apparent diffusion coefficient (ADC) map to categorize the intensity of diffusion-weighted imaging (DWi) restriction for prostate cancer detection on multiparametric prostate Mri
... T2W imaging using the parame- ters: repetition time (msec) / echo time (msec), 4700-5200 / 140-160; section thickness, 3 mm; field of view, 180 x 180; matrix 256 x 256; ac- celeration factor of two; and six ...DCE ...
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Sequential cranial ultrasound and cerebellar diffusion weighted imaging contribute to the early prognosis of neurodevelopmental outcome in preterm infants.
... From October 2006 to March 2008, very preterm infants (gestational age [GA] ,31 weeks) admitted to the level three unit of the Wilhelmina Children’s Hospital, Utrecht, The Netherlands, were recruited for a prospective ...
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Noninvasive assessment of response to neoadjuvant chemotherapy in osteosarcoma of long bones with diffusion-weighted imaging: an initial in vivo study.
... Materials and methods: Conventional magnetic resonance imaging (MRI) and DWI were obtained from 35 patients with histologically proven osteosarcomas. MR examinations were performed in all patients before and after ...
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Automated Region Growing for Segmentation of Brain Lesion in Diffusion-weighted MRI
... This paper has described segmentation of brain lesion in diffusion-weighted imaging (DWI) using automated region growing. It used clinical DWI lesions such as acute infarction, haemorrhage, tumour ...
4
Glioma: application of whole-tumor texture analysis of diffusion-weighted imaging for the evaluation of tumor heterogeneity.
... specificity and accuracy of 81.8%, 90% and 84.4%, respectively, for the differentiation between grade III and IV gliomas; these appear to be comparable with previous studies. Zacharaki et al. revealed that the accuracy, ...
9
Preoperative axillary staging with 3.0-T breast MRI: clinical value of diffusion imaging and apparent diffusion coefficient.
... resonance imaging (MRI) with dynamic contrast-enhanced and diffusion-weighted ...sequences. Diffusion-weighted imaging (DWI) exploits the random motion of water molecules, and ...
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Time-optimized high-resolution readout-segmented diffusion tensor imaging.
... in diffusion- weighted imaging has gained attention in the scientific community since the usefulness of tractography has been demonstrated for many applications from psychological sciences to ...
12
Visualization of white matter tracts using a non-diffusion weighted magnetic resonance imaging method: does intravenous gadolinium injection four hours prior to the examination affect the visualization of white matter tracts?
... hT2w-3D-FLAIR imaging obtained 4 h after an intravenous gadolinium injection was to separately visualize perilymph and endolymph fluid and to identify the presence of endolymphatic hydrops using a single-dose (not ...
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Assessment of treatment response by total tumor volume and global apparent diffusion coefficient using diffusion-weighted MRI in patients with metastatic bone disease: a feasibility study.
... MR imaging systems (Avanto and Aera systems, Siemens Healthcare, Erlangen, ...echo-planar diffusion-weighted imaging from the skull base to the mid-thigh level, sequentially across three to ...
8
Robust T1-weighted structural brain imaging and morphometry at 7T using MP2RAGE.
... The reproducibility of the volumetric estimate of the various structures segmented by MorphoBox significantly improved (p- value = 0.043/0.039) between repeat scans when the robust T1w i[r] ...
7
Magnetic resonance imaging of the substantia nigra in parkinson’s disease : neuromelanin, iron and diffusion tensor imaging
... T2* imaging methods have shown a correlation between increased SN iron-related contrast and clinical severity (150), and T2’ an increased iron content in the SN (129) that correlated with motor features ...
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Social-Group-Optimization based tumor evaluation tool for clinical brain MRI of Flair/diffusion-weighted modality
... Abstract: Brain tumor is one of the harsh diseases among human community and is usually diagnosed with medical imaging procedures. Computed-Tomography (CT) and Magnetic-Resonance- Image (MRI) are the regularly ...
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Diurnal microstructural variations in healthy adult brain revealed by diffusion tensor imaging.
... Biorhythm is a fundamental property of human physiology. Changes in the extracellular space induced by cell swelling in response to the neural activity enable the in vivo characterization of cerebral microstructure by ...
10
Visual brain areas in obsessive compulsive disorder : a diffusion tensor imaging approach
... resonance imaging (fMRI) studies have showed that these patients exhibit a greater activation on the bilateral orbitofrontal regions and right cingulate, while performing a visuo-emotional eliciting task, whereas ...
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