Radionuclide candidates for β+γ coincidence PET: An overview

Area of Science:

• Nuclear Medicine
• Radiochemistry
• Accelerator Physics

Background:

• Positron Emission Tomography (PET) is a key medical imaging modality.
• A novel technique utilizes gamma quanta emitted after beta-plus decay, expanding PET capabilities.
• Scandium-44g is currently the benchmark for validating this gamma emission imaging technique.

Purpose of the Study:

• To identify and evaluate alternative radioisotopes for gamma emission imaging.
• To assess the properties and potential applications of these radioisotopes.
• To determine optimal accelerator-based production routes for these novel isotopes.

Main Methods:

• Literature review of radioisotopes emitting gamma quanta post-beta-plus decay.
• Analysis of radioisotope properties relevant to medical imaging (e.g., half-life, decay characteristics).
• Evaluation of accelerator production pathways (e.g., cyclotrons, linear accelerators).

Main Results:

• Identification of several promising radioisotopes beyond ^44gSc for gamma emission imaging.
• Characterization of their unique properties and potential clinical applications.
• Assessment of feasibility and efficiency of their production using accelerators.

Conclusions:

• Several radioisotopes show potential for validating and advancing gamma emission imaging techniques.
• Future research should consider these isotopes for broader applications in nuclear medicine.
• Optimized accelerator production is crucial for the clinical availability of these novel radioisotopes.