PET/CT and radiotherapy : data transfer, radiotherapy workflow and quality assurance

Area of Science:

• Radiation Oncology
• Medical Imaging
• Nuclear Medicine

Background:

• Advanced radiation therapy technologies allow for precise dose delivery and dose escalation.
• Simultaneous delivery of different dose levels targets radioresistant tumor sub-volumes, minimizing healthy tissue damage.
• Positron emission tomography (PET) provides crucial biologic and functional data, impacting treatment strategy and target delineation.

Purpose of the Study:

• To explore the clinical applications of PET/CT in radiation therapy planning and delivery.
• To highlight critical aspects and potential approaches for integrating PET/CT into the radiotherapy workflow.
• To advance the goals of biologically conformal radiation therapy using functional imaging.

Main Methods:

• Review of PET/CT integration in radiotherapy planning.
• Discussion of workflow subprocesses and quality assurance protocols.
• Analysis of differential dose delivery based on functional imaging data.

Main Results:

• PET/CT significantly improves target delineation and assessment of therapy response.
• Functional imaging enables differential dose delivery within target volumes based on biologic behavior.
• High-standard procedures and quality assurance are essential for effective PET/CT-guided radiotherapy.

Conclusions:

• PET/CT integration represents a significant advancement in radiation therapy.
• The technology facilitates personalized treatment strategies and biologically conformal approaches.
• Rigorous quality assurance is paramount for safe and effective PET/CT utilization in radiation oncology.