Ultrasound Imaging and Elastography

Frequency modulated semi-continuous wave Doppler ultrasound: A novel method for the detection of scatterer velocity and range using wearable ultrasound instrumentation

This paper introduces frequency modulated semi-continuous wave Doppler ultrasound as a novel technique for measuring scatterer velocity and range using wearable ultrasound systems.

MR-ARFI and Beyond: Characterizing the Temporal Dynamics of Acoustic Radiation Force in Human Brain

This paper characterizes the temporal dynamics of acoustic radiation force in human brain tissue using MR-ARFI, finding that stiffer tissue exhibits shorter time constants and reduced displacement.

VESTA: Machine Learning-Enabled Estimation of ViscoElastic Ratios from On-Axis Spatio-Temporal ARFI Features

VESTA predicts tissue elasticity and viscosity ratios from ARFI features using a two-stage ML pipeline, showing accuracy in simulated and experimental settings.

APRIL: Adaptive Regression-Based Two-Dimensional Quantitative Anisotropy Imaging Using Acoustic Radiation Force Impulse

This paper introduces APRIL, a method for 2D depth-resolved anisotropy imaging using ARFI, achieving SMR prediction errors below 9% and SSIM up to 86% in heterogeneous phantoms.

In vivo real-time elastography with unmodified commercial endoscopes using noise-correlation-inspired method and laser speckle imaging

This paper introduces a method for real-time quantitative stiffness mapping using unmodified commercial endoscopes, validated on phantoms and biological tissues.

Ultrasound-Based Spatiotemporal Monitoring of Coagulation and Thrombolysis via Speed-of-Sound Shift Imaging

This paper introduces DSI, a noninvasive ultrasound method to monitor coagulation and thrombolysis by tracking speed-of-sound shifts, and shows it can quantify clot formation and lysis in various biological systems.

Micro-elastography of biopsies

This paper adapts micro-elastography for rapid mechanical characterization of millimetre-sized biopsies using a white light microscope and shear wave analysis.

Transient Magnetic Resonance Elastography: a method to measure the mechanics of the active heart

This paper introduces a new in vivo technique, transient magnetic resonance elastography (tMRE), to measure dynamic cardiac biomechanics and validates it using healthy rat specimens and phantom experiments.

Evidence for the ultra-soft brain provided by uniqueness in intrinsic MR elastography

This paper demonstrates that viscoelastic intrinsic MRE provides unique and stable stiffness estimates in brain tissue due to its ultra-soft nature, resolving limitations in iMRE modeling.

Contactless micro-elastography of single cells using oscillating microbubbles as shear wave sources

This paper introduces a contactless micro-elastography method using oscillating microbubbles to measure single-cell mechanical properties rapidly and label-free.

The relationship between passive ankle joint stiffness and the stiffness of muscles, nerve, and tendon

This study investigates the relationship between passive ankle joint stiffness and stiffness in triceps surae muscles, tibial nerve, and Achilles tendon, finding significant correlations at specific ankle angles.

Longitudinal in vivo MR elastography reveals whole-liver viscoelastic involvement in a murine model of hepatocellular carcinoma

This study uses in vivo MR elastography to show early whole-liver viscoelastic changes in a murine HCC model, suggesting biomechanical adaptation beyond the tumor microenvironment.

Remote Palpation of the Human Brain Using Simultaneous MR Elastography and Diffusion Tensor Imaging

This paper introduces a tamperless MRI method to measure brain tissue stiffness using cardiac pulsations and diffusion tensor imaging, revealing softness in gray matter and white matter pathways.

Enhancing Brain Age Prediction and Neurodegeneration Detection with Contrastive Learning on Regional Biomechanical Properties

This paper uses contrastive learning on regional biomechanical properties from MRE to improve brain age prediction and detect neurodegeneration, finding that stiffness and damping ratio are sensitive biomarkers for Alzheimer's and MCI.

Three-dimensional quantitative micro-elastography reveals alterations in spatial elasticity patterns of follicles and corpora lutea in murine ovaries during ageing

This study uses 3D micro-elastography to analyze changes in ovarian elasticity patterns in mice across different ages, revealing age-related differences in follicles and corpora lutea.