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Stephen J. Rosenzweig

Researcher at Siemens

Publications -  35
Citations -  952

Stephen J. Rosenzweig is an academic researcher from Siemens. The author has contributed to research in topics: Acoustic radiation force & Elasticity Imaging Techniques. The author has an hindex of 15, co-authored 35 publications receiving 817 citations. Previous affiliations of Stephen J. Rosenzweig include Duke University.

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A heterogeneous nonlinear attenuating full- wave model of ultrasound

TL;DR: A mechanism of harmonic image quality improvement by showing that the harmonic point spread function is less sensitive to reverberation clutter is demonstrated, and a numerical solution of the relaxation attenuation laws that allows modeling of arbitrary frequency dependent attenuation is presented.
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Derivation and analysis of viscoelastic properties in human liver: impact of frequency on fibrosis and steatosis staging

TL;DR: A robust, model-based algorithm and a linear dispersion model are described and used to perform shear wave dispersion analysis in traditionally difficult-to-image subjects.
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Tumor Elastography and Its Association with Collagen and the Tumor Microenvironment.

TL;DR: US elastography can be used as a potential biomarker to assess changes in the tumor microenvironment, particularly changes affecting the ECM, which may affect treatment efficacy and contribute to tissue stiffness.
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Acoustic Radiation Force Impulse Imaging of Human Prostates: Initial In Vivo Demonstration

TL;DR: Acoustic radiation force impulse imaging holds promise for guidance of targeted prostate needle biopsy and focal therapy, as well as aiding assessment of changes during watchful waiting/active surveillance.
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Contrast-enhanced in vivo magnetic resonance microscopy of the mouse brain enabled by noninvasive opening of the blood-brain barrier with ultrasound.

TL;DR: The BBB was opened in mice, using unfocused ultrasound combined with an injection of microbubbles, which opens the BBB throughout the brain and enables the administration of both existing anatomic contrast agents and the newer molecular/sensing contrast agents.