Recent advances in radionuclide medical imaging techniques.

Area of Science:

• Nuclear medicine and medical imaging.
• Radiopharmaceutical science and technology.

Background:

• Radionuclide imaging is crucial for medical diagnosis, treatment, research, and drug evaluation.
• The field has seen significant technological advancements over the last decade.

Purpose of the Study:

• To critically review pivotal advancements in radionuclide imaging over the past decade.
• To analyze the clinical impact and translational barriers of emerging technologies.
• To provide a comprehensive perspective on the evolution of radionuclide imaging.

Main Methods:

• Evaluation of innovations in traditional modalities like SPECT (e.g., CZT detectors) and PET (e.g., TOF, DOI).
• Comparative analysis of multimodal systems (PET/CT vs. PET/MRI).
• Examination of emerging paradigms (self-collimation, cascade gamma photon imaging) and theranostics.

Main Results:

• CZT detectors have transformed cardiac SPECT; TOF and DOI improve PET quantitative accuracy.
• Multimodal systems offer distinct advantages in clinical decision-making.
• Emerging technologies and theranostics show promise for overcoming current limitations.

Conclusions:

• Radionuclide imaging continues to evolve with significant technological and clinical impact.
• Key trends include improved quantitative accuracy, multimodal integration, and theranostics.
• Addressing translational barriers is crucial for future development and clinical adoption.