ArticleJournal of applied clinical medical physics2022
New strategy of a lung compensating technique with STR for total body irradiation.
Article in Journal of applied clinical medical physics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A multi-institutional survey on technical variations in total body irradiation in Japan.Radiological physics and technology · 2025Article
- New strategy of a lung compensating technique with STR for total body irradiation.Journal of applied clinical medical physics · 2022Article
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Authors and funding
5 authors.
Funding
Abstract
purposeTo determine the thickness of a soft variable shape tungsten rubber (STR) as a lung compensating filter in total body irradiation.
methodsA tough water (TW) phantom and tough lung (TL) phantom were used as water and lung-equivalent phantoms. The TW with a thickness of 3 cm simulating the thoracic wall was used (upper layer). The TW or TL with a thickness from 1 to 15 cm (1 cm increments) was placed beneath the upper layer (middle layer). The TW with a thickness of 5 cm simulating the mediastinum was placed beneath the middle layer (lower layer), and a farmer ionization chamber was placed beneath this layer. The relative doses of a 10 MV X-rays were then measured. The TL was compensated in 1 mm increments from 1 to 11 mm of the STR, and the thickness of the STR at the same dose of TW (water equivalent) was obtained.
resultsThe compensating ability of STR increased as the thickness of the TL increased, and an STR with a thickness of 1 mm reduced the dose by 2%-4%, depending on the thickness of lung. The STR thickness as an equivalent dose of TW per cm of TL was approximately linear, and the thickness was 0.62 mm/cm of TL.
conclusionThe STR can be used as a lung compensating filter for a water equivalent dose with 0.62 mm of STR per cm of lung.
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