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Related Experiment Video

Updated: Feb 14, 2026

An Ex Vivo Method for Time-Lapse Imaging of Cultured Rat Mesenteric Microvascular Networks

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Published on: February 9, 2017

Superb Microvascular Imaging: Added Value and Novel Applications.

Suheil Artul¹, William Nseir², Zaher Armaly³

¹Department of Radiology, EMMS Hospital Nazareth, Bar-Ilan University, Ramat Gan, Israel.

Journal of Clinical Imaging Science

|February 7, 2018

Summary

Superb microvascular imaging (SMI) enhances ultrasound by visualizing low-velocity and microvascular flow, improving diagnoses where conventional Doppler fails. This novel technique aids in identifying small vessels, potentially reducing the need for further imaging examinations.

Keywords:

Doppler superb microvascular imaging ultrasound

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Area of Science:

Medical Imaging
Ultrasound Technology
Vascular Imaging

Background:

Conventional color and power Doppler ultrasound struggle to depict small vessels and low velocities.
This limitation can lead to inconclusive sonographic examinations, delayed diagnoses, and the need for additional imaging.
Accurate assessment of vascular flow is crucial for many diagnoses.

Observation:

Superb microvascular imaging (SMI) is a novel ultrasound mode designed to visualize low-velocity and microvascular blood flow.
SMI employs a clutter suppression algorithm to extract and display flow signals, maintaining high frame rates and resolution.
It enables visualization of small vessels and their branches, previously only possible with contrast-enhanced ultrasound.

Findings:

In a study of six patients (aged 16-73), Superb Microvascular Imaging (SMI) enabled definitive diagnoses when conventional Doppler ultrasound was insufficient.
SMI successfully visualized microvascular flow and small vessels in cases where traditional methods failed.
All examinations were performed using a Toshiba Aplio 500 Platinum ultrasound unit.

Implications:

SMI offers a significant advancement in ultrasound, providing detailed visualization of microvascularity.
The technology may reduce the necessity for contrast-enhanced ultrasound and potentially some computed tomography scans.
Wider availability of SMI could improve diagnostic accuracy and efficiency in vascular assessments.