Phase-Contrast Imaging
Idiopathic Spinal Cord Herniation: Value of MR Phase Contrast Imaging
... cord. Phase-contrast imaging is the best technique for assessing the presence or absence of a posterior arachnoid cyst, as it affords better comprehension of the disease and explains how, even in the ...
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Effects of Tube Voltage on Phase Contrast Imaging for Different Microfocus X Ray Tubes
... Both the study at constant target power and the study at constant target current demonstrate that edge en- hancement has a drop with the increasing of tube voltage, but the drop is slight since the edge enhancement at ...
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Inclusion of coherence in Monte Carlo models for simulation of x-ray phase contrast imaging
... X-ray imaging has grown substantially over recent years[1] and X-ray phase contrast imaging (XPCI) is one of the most promising ...absorption imaging is not suitable for weakly ...
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Interpretation of Line-Integrated Signals from 2-D Phase Contrast Imaging on LHD
... Two dimensional (2D) phase contrast imaging (PCI) is an excellent method to measure core and edge turbu- lence with good spatial resolution ( ∆ρ ∼ 0 . 1). General analytical consideration is given to ...
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Investigation of gastric cancers in nude mice using X-ray in-line phase contrast imaging
... in-line phase contrast imaging (XILPCI), an X-ray phase contrast imaging method, has greater soft tissue contrast than traditional absorption radiography and generates ...
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Laser-wakefield accelerators for medical phase contrast imaging : Monte Carlo simulations and experimental studies
... X-ray phase contrast imaging (X-PCi) is a very promising method of dramatically enhancing the contrast of X-ray images of microscopic weakly absorbing objects and soft tissue, which may lead ...
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A sparse-projection computed tomography reconstruction method for in vivo application of in-line phase-contrast imaging
... Phase contrast X-ray imaging methods have been applied to mouse ’ s lung [7-9] and propagation-based methods have been applied to mouse’s lung and exhibit a speckled intensity pattern that is ...
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Three-dimensional reconstruction of blood vessels in the rabbit eye by X-ray phase contrast imaging
... X-ray phase-contrast imaging (XPCI) has been proposed as a new method for the imaging of the whole vasculature of eye, not only the retinal blood ...
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Phase contrast imaging of the parotid region
... Recommended screening of the parotid fossa that optimizes tissue-lesion contrast, lesion detectability, and imaging time is performed by combining a standard T1-weighted acquisition with[r] ...
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Cardiovascular magnetic resonance phase contrast imaging
... velocity phase shift, but this is not al- ways the case; for example, a smaller value VENC can pro- voke a larger ...the phase error from the concomitant field and generally assists with many other aspects ...
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3D Cardiac microvessels embolization imaging based on X-ray phase contrast imaging
... X-ray Phase contrast imaing (XPCI) became a research focus about some decades ago with the awareness of its high spatial resolution and contrast on imaging soft tis- sues ...image ...
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Diagnostic accuracy of cardiovascular magnetic resonance imaging of right ventricular morphology and function in the assessment of suspected pulmonary hypertension results from the ASPIRE registry
... performed in these patients. Of the remaining 233 patients, 194 had PH as defined by mPAP ≥ 25 mmHg, the remaining 39 were labelled as ‘ no PH ’ . Patients with PH were divided into subgroups according to the Dana Point ...
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Geometric correction method for 3d in-line X-ray phase contrast image reconstruction
... propagation-based phase contrast imaging tech- nique and the most simple and straight-forward method to achieve X-ray phase con- trast ...
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Investigation of hole-free phase plate performance in transmission electron microscopy under different operation conditions by experiments and simulations
... Hole-free phase plates (HFPPs), also known as Volta phase plates, were already demonstrated to be well suited for in-focus transmission electron microscopy imaging of organic ...the imaging ...
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Multiscale imaging of plants: current approaches and challenges
... of imaging techniques which have been shown in the recent literature to cover mul- tiple scales of interest for plant ...resolution imaging techniques [11] outperforming the classical diffraction limits ...
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Diagnostic accuracy of cardiovascular magnetic resonance imaging of right ventricular morphology and function in the assessment of suspected pulmonary hypertension results from the ASPIRE registry
... axis imaging end-systole was considered to be the smallest cavity ...cine phase of the R-wave trig- gered acquisition for both short axis and four chamber ...gadolinium contrast in- jection ...
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Evaluation of texture features at staging liver fibrosis based on phase contrast X-ray imaging
... the phase term, while the imaginary part β corresponds to the ...X-ray imaging is a kind of absorption contrast imaging modality; it uses the absorption term as image ...contrast. ...
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Designing Phase-change Contrast Agents for Safe Diagnostic Ultrasound Imaging and Enhanced Therapeutic Outcomes.
... ultrasound contrast agents (UCAs). Microbubble (MB) contrast agents are readily used in diagnostic ultrasound as a ...liquid-based contrast agent for increased stability and vascular ...applications. ...
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Comparison of Phase Contrast MR Imaging and Endovascular Sonography for Intracranial Blood Flow Velocity Measurements
... Patients scheduled for endovascular treatment of an unruptured ce- rebral aneurysm between January 2008 and July 2010 were included if older than 18 and younger than 70 years of age. Patients with contra- indications for ...
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Correlation of CSF flow using phase-contrast MRI with ventriculomegaly and CSF opening pressure in mucopolysaccharidoses
... MR imaging immediately fol- lowed by lumbar puncture, and neurodevelopmental assessment performed within the same week, except one patient who died before intellectual test could be ...
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