The Collaborative for Advanced Clinical Techniques in UltraSound (CACTUS) constitutes a group of like-minded physicians, scientists, and technical experts dedicated to ultrasound technical and translational research, innovative clinical imaging, and image-guided intervention.

News and Events

Nov 2023

Two CACTUS-associated UTSW sonographers rank top in North Texas

Two of our very own sonographers were among the top 25 at the North Texas Radiologic Technologist Society’s (NTRTS) 18th annual awards ceremony for fiscal year 2023. The honorees are:  Kristen Johnson, B.S., RDMS(AB)(OB/GYN), RVT, and Angela Storto, B.S., RDMS(AB), RVT

Oct 2023

Grant awarded for innovative work in liver fat quantification

CACTUS director David Fetzer, MD, was awarded a young investigator grant from the Soceity of Radiologists in Ultrasound (SRU) to support his continued collaboration with Dr. Caroline Lux in the TRUST lab for their work in developing next-generation liver fat tissue-mimicking phantoms for quantitative ultrasound validation and translation.

Mar 2023

Tackling Quantitative Ultrasound

At UltraCon by the American Institute of Ultrasound in Medicine (AIUM) in Orlando, FL, CACTUS faculty David Fetzer, MD, co-hosted the Liver Fat Quantification Task Force, and participated in scientific discussions on quantitative ultrasound in liver disease

Feb 2023

Highlighting the benefits of ultrasound on the national stage

At the annual meeting of the Society of Abdominal Radiology (SAR) in Austin, TX, CACTUS faculty David Fetzer, MD, and Kanupriya Vijay, MD, presented ultrasound-related topics including on contrast-enhanced ultrasound, and liver fat and fibrosis quantification

Feb 2023

International Virtual Lecture on HCC Surveillance

CACTUS faculty David Fetzer, MD, presented virtually in Guangdong, China, at a LI-RADS Webinar on HCC Surveillance, focusing on the benefits and opportunities of ultrasound

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Meet the Team

Get to know our Principal Investigator and team members.

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David Fetzer, M.D.​


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