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Silicone plesiotherapy molds.

C Karolis, P S Reay-Young, W Walsh

International Journal of Radiation Oncology, Biology, Physics

|April 1, 1983

Summary

This summary is machine-generated.

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Plesiotherapy using custom silicone molds offers a practical alternative to traditional rigid devices for treating superficial lesions. This method simplifies radiation delivery, especially for oral and nasal cavities, improving patient comfort and treatment reproducibility.

Area of Science:

Oncology
Medical Physics
Materials Science

Background:

Plesiotherapy, a brachytherapy technique using radioactive sources in molds, has been largely superseded by teletherapy.
Traditional rigid molds require significant skill and daily application for reproducible radiation delivery.
Certain superficial lesions benefit from short-distance radiation therapy, where plesiotherapy remains advantageous.

Observation:

Rigid molds for plesiotherapy are cumbersome and require considerable expertise to fabricate and apply.
A novel approach utilizes silicone molds, custom-made from plaster casts, for superficial lesion treatment.
These silicone molds are particularly suitable for lesions within the oral and nasal cavities.

Findings:

Silicone molds provide a simpler and more adaptable method for plesiotherapy compared to traditional rigid devices.

Related Experiment Videos

The use of radioactive gold seeds within silicone molds allows for extended treatment periods (days) without displacement.

This technique ensures reproducible geometry for localized radiation delivery in challenging anatomical areas.

Implications:

Custom silicone molds offer a more accessible and less labor-intensive plesiotherapy option.
This method enhances treatment precision and patient comfort for superficial lesions, particularly in the head and neck region.
The adaptability of silicone molds may broaden the applicability of short-distance radiation techniques in clinical practice.