Dictionary
Dictionary Representation for Liver Ablation Visualization Robert M. Pohlman, M.S. (Show Avi Image) Click to reveal the description below Working closely with collaborators in the Radiology Department at the University of Wisconsin School of Medicine and Public Health, we have shown that ultrasound based elasticity imaging provides an alternative, non-ionizing, real-time imaging modality that…
Cardiac Strain Estimation using RF-Based Cardiac Elastography
Cardiac Strain Estimation using RF-Based Cardiac Elastography Rashid Al Mukaddim, M.S. Myocardial deformation imaging plays crucial role to obtain clinically valuable information based on an objective assessment of regional and global ventricular function. Cardiac elastography (CE) is an approach for myocardial deformation imaging that utilizes ultrasound radio-frequency (RF) data to extract the local deformation field…
Cardiac Dynamics Assessment using Photoacoustic Imaging
Rashid Al Mukaddim, M.S. Coronary heart disease including myocardial infarction (MI) is one of leading causes of mortality accounting for 1 in 7 deaths in the US with over 360,000 fatalities each year. Non-invasive imaging modalities play paramount role in earlier detection of anomaly in cardiovascular dynamics. Our research group is currently investigating improved…
Quantitative Ultrasound Evaluation of Tissue Composition in Carotid Plaque
Quantitative Ultrasound Evaluation of Tissue Composition in Carotid Plaque Catherine N. Steffel, M.S. Carotid atherosclerotic plaque is a contributing cause of cardiovascular disease and stroke, the fifth leading cause of death worldwide. Understanding plaque morphology, including its structure, composition, and mechanical properties, may help improve risk assessments of plaque rupture and stroke. Yet current…
Computed Tomography Registration
Ultrasound (US) is commonly used to guide antenna placement for microwave ablation procedures into the tumor because of its direct, real-time visualization capability and lack of ionizing radiation. Following ablation, a contrast-enhanced biphasic CT (CECT) is required to verify the effectiveness of the ablation as ablation delineation is difficult with conventional B-mode US. Recently our…
Quantifying carotid plaque vulnerability with strain Imaging
Vulnerable carotid plaque can rupture and release emboli which can flow into the brain vasculature resulting in an ischemic stroke. Hence it is clinically important to identify plaques which are unstable and most likely to rupture. Currently, only the size of the plaque (stenosis) is used to decide if a clinical intervention like a surgery…
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Ultrasound Research Group Department of Medical Physics Wisconsin Institute for Medical Research 1111 Highland Avenue Madison, WI 53705-2275 Phone: (608) 262–2170 Fax: (608) 262–2413