Positron emission tomography radiotracers for imaging hypoxia

Area of Science:

• Biomedical imaging
• Molecular imaging
• Radiochemistry

Background:

• Localized hypoxia, resulting from ischemia, is a key indicator in many diseases.
• Positron emission tomography (PET) is a leading technique for functional tissue imaging due to its sensitivity and quantitative capabilities.

Purpose of the Study:

• To review the progress and current status of radiotracers for hypoxia-specific PET imaging.
• To highlight radiochemistry advancements relevant to molecular imaging of hypoxia.

Main Methods:

• Literature review focusing on radiochemistry and molecular imaging of hypoxia.
• Analysis of preclinical and clinical studies utilizing PET for hypoxia detection.

Main Results:

• PET is a versatile, sensitive, and quantitative tool for molecular-level imaging of tissue hypoxia.
• Various radiotracers have been developed for hypoxia-specific PET imaging.

Conclusions:

• PET imaging plays a crucial role in understanding and diagnosing hypoxia-related pathologies.
• Continued development in radiotracer design is essential for advancing hypoxia imaging.