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

News and Events

Sept 2022

Virtual International Lecturer

CACTUS faculty David Fetzer, MD, presented virtually in Bogota, Columbia, at the Latin America LI-RADS Update Course 2022, discussing CEUS and CEUS LI-RADS

May 2022

Virtual Visiting Professor

CACTUS faculty David Fetzer, MD, visited (virtually) Stanford University, lecturing on advanced ultrasound techniques in liver imaging.

Mar 2022

Contrast and More Contrast

CACTUS faculty David Fetzer, MD, presented on the benefits of contrast-enhanced ultrasound (CEUS) in back-to-back categorical courses focusing on the kidneys and liver.

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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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