Targeted Contrast Agents
Mark D. Pagel1
1MD Anderson Cancer Center, Houston, TX, United States

Synopsis

This presentation will focus on targeted contrast agents for molecular imaging with MRI. Key concepts include
* Targeting sensitivity; specificity; selectivity; active and passive mechanisms
*Heterobivalent binding
*A “size threshold” for imaging agents
*Timing for reaching a maximum contrast
*MRI contrast agents lack sensitivity for detecting cell receptors in less than best-case conditions.
*MRI can target abundant proteins.
*Amplification mechanisms can facilitate cell receptor detection.
*MRI has had more focus on responsive agents.
*Contrast agents for simultaneous PET/MRI
*If molecular imaging can provide more imaging features, MI can revolutionize our clinical radiology workforce.

Slide #1
Proc. Intl. Soc. Mag. Reson. Med. 29 (2021)