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Design of a multiblock phantom for radiotherapy dosimetry applications
A W Seaby1, D W Thomas, S J S Ryde
1Department of Medical Physics and Clinical Engineering, Singleton Hospital, Swansea NHS Trust, Swansea SA2 8QA, UK.
The British Journal of Radiology
|January 25, 2002
Summary
A novel multiblock semi-anatomic phantom was designed for radiotherapy dosimetry. Its modular design allows flexible assembly for various treatment planning and delivery audits.
Area of Science:
- Medical Physics
- Radiotherapy Dosimetry
Background:
- Accurate radiotherapy requires precise dosimetry and treatment verification.
- Existing phantoms may lack the flexibility for diverse clinical scenarios.
Purpose of the Study:
- To present the design of a versatile multiblock semi-anatomic phantom.
- To highlight its utility in radiotherapy dosimetry applications, particularly audits.
Main Methods:
- The phantom is constructed from modular blocks made of various tissue substitute materials.
- These blocks can be assembled to simulate different anatomical cross-sections.
Main Results:
- The design facilitates a wide range of radiotherapy dosimetry applications.
- It is particularly suitable for auditing external beam treatment planning and delivery.
Conclusions:
- The multiblock semi-anatomic phantom offers a flexible and adaptable solution for radiotherapy quality assurance.
- Its design supports comprehensive auditing of treatment planning and delivery processes.