Author

R. R. Flavell

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Sep 2026

Clinical Imaging of 225Ac in a PET Scanner via Time-of-Flight Cascade γ-Ray Imaging.

Clinical imaging of the α-therapy radionuclide 225Ac and its progeny has proven challenging with SPECT because of low detection efficiency and a poor signal-to-noise ratio (SNR). We propose an alternative nuclear imaging modality that enables imaging of 225Ac in PET scanners: time-of-flight cascade γ-ray imaging (TOF-C...

J. Caravaca, Youngho Seo, Jorge Cabello et al. · Journal of Nuclear Medicine · 0 citations

Jul 2026

Evaluation of Motion Correction on Myocardial [18F]F-AraG PET Uptake Using Data-Driven Respiratory Gating

[18F]F‐AraG (radio‐fluorinated 9‐β‐D‐arabinofuranosylguanine) is a PET radiotracer for imaging T‐cell activation with emerging applications in myocardial imaging. Cardiac PET is particularly susceptible to respiratory motion, which degrades spatial resolution and introduces regional variability in quantitative measurem...

Hannah Kim, Ryan Tang, Uttam M. Shrestha et al. · Medical Physics (Lancaster) · 0 citations