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Updated: Apr 1, 2026
Radiosynthesis, Quality Control, and Small Animal Positron Emission Tomography Imaging of 68Ga-Labelled Nano Molecules
Published on: October 4, 2024
Short Dynamic 68 GA-PSMA PET Reconstruction to Differentiate Urinary Excretion From Extra-urinary Uptakes With
Ludovic Delhom1, David Bourhis1,2, Olivier Delcroix1
1Nuclear Medicine Department, CHU Brest.
Abstract:
LAFOV PET presents an excellent sensitivity, offering the ability of high-quality extra short images. We assess through a case report the additional value of performing 68 GA-PSMA-11 PET/CT dynamic acquisitions on an LAFOV PET system to improve discrimination between pathological uptakes, such as lymph nodes, from urinary physiological uptake. We performed a single-bed 4-minute list-mode acquisition, reconstructed in 4 frames of 1 minute, providing a dynamic visualization of 68 GA-PSMA-11 urinary ureteral excretion over time. This additional reconstruction is easy to implement in clinical practice, requiring no additional acquisition time or radiological exposure.
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