CACTUS Lab

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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

Sept 2024

UTSW helps address common, chronic and underdiagnosed condition in women

CACTUS lab supported the roll out of a new pelvic ultrasound imaging protocol to screen for deep infiltrating endometriosis (DIE), a relatively common and sometimes debilitating disease. 

May 2024

CACTUS lab awarded additional grant funding

CACTUS lab members David Fetzer and Caroline Lux awarded an RSNA Seed Grant to support ongoing efforts in manufacturing hepatic steatosis phantoms for the validation and intra- and inter-modality comparison of current and emerging quantitative ultrasound techniques.

Jan 2024

Ultrasound Liver Fat Quantification (LFQ) now available at UTSW

CACTUS lab supported the clinical rollout of LFQ by ultrasound, the latest quantitative technique for the assessment of liver disease. LFQ is now available in Dallas in both inpatient and outpatient sites, and in Frisco, with plans to expand to Fort Worth and South Dallas (Red Bird Campus) in the near future. 

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.

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Meet the Team

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David Fetzer, M.D.​

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CACTUS Lab