18F-FDG PET/CT for image-guided and intensity-modulated radiotherapy

Area of Science:

• Oncology
• Medical Imaging
• Radiation Therapy

Background:

• Technological advancements enable precise radiation dose delivery and localization.
• Accurate delineation of tumor boundaries for radiotherapy planning remains a challenge.
• (18)F-FDG PET/CT distinguishes metabolically active tumors from normal tissue.

Purpose of the Study:

• To review the applications of (18)F-FDG PET/CT in radiotherapy planning.
• To highlight the benefits and challenges of using (18)F-FDG PET/CT for tumor delineation.
• To explore novel radiopharmaceuticals in radiotherapy planning.

Main Methods:

• Review of current literature on (18)F-FDG PET/CT applications in oncology.
• Focus on specific disease sites: non-small cell lung cancer, head and neck cancer, and pancreatic adenocarcinoma.
• Consideration of (18)F-FDG PET/CT's role in radiation therapy planning.

Main Results:

• (18)F-FDG PET/CT assists in defining target tumor volumes for radiation therapy.
• The technology shows promise in improving treatment accuracy across various cancer types.
• Benefits include enhanced precision, while challenges relate to integration and interpretation.

Conclusions:

• (18)F-FDG PET/CT is a valuable tool for improving radiotherapy planning and delivery.
• Its ability to visualize metabolic activity aids in precise tumor targeting.
• Further research into novel radiopharmaceuticals will continue to enhance radiotherapy precision.