Optical computed tomography in PRESAGE^® three-dimensional dosimetry: Challenges and prospective.

Area of Science:

• Medical Physics
• Radiotherapy Technology

Background:

• Increasing complexity of radiotherapy necessitates advanced 3D dosimetry.
• Existing 3D dosimeter systems face challenges in accuracy, feasibility, and cost.

Purpose of the Study:

• To review advancements in optical computed tomography (CT) for 3D dosimetry.
• To assess the compatibility and development of radiochromic dosimeters, specifically PRESAGE®, with optical CT scanners.

Main Methods:

• Review of optical CT technologies developed since the 1990s.
• Examination of PRESAGE® radiochromic solid plastic dosimeters introduced in 2004.
• Analysis of efforts to enhance optical scanning methods for dosimetric applications.

Main Results:

• Optical CT coupled with radiochromic dosimeters like PRESAGE® has emerged as a promising 3D dosimetry candidate.
• Significant efforts have focused on improving optical scanning techniques for better dosimetric accuracy.
• The development of robust dosimeters compatible with optical CT has been a key area of research.

Conclusions:

• Optical CT with PRESAGE® dosimeters represents a significant step towards accurate, feasible, and cost-effective 3D radiotherapy dosimetry.
• Continued research in optical scanning methods and dosimeter development is vital for clinical implementation.