Application of photogrammetry reconstruction for hyperthermia quality control measurements

Tomas Drizdal; Margarethus M. Paulides; Kemal Sumser; David Vrba; Lukas Malena; Jan Vrba; Ondrej Fiser; Gerard C. van Rhoon

doi:10.1016/j.ejmp.2022.08.008

Application of photogrammetry reconstruction for hyperthermia quality control measurements

Tomas Drizdal (Corresponding author), Margarethus M. Paulides, Kemal Sumser, David Vrba, Lukas Malena, Jan Vrba, Ondrej Fiser, Gerard C. van Rhoon

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Abstract

Purpose: Hyperthermia is a cancer treatment in which the target region is heated to temperatures of 40–44 °C usually applying external electromagnetic field sources. The behavior of the hyperthermia applicators (antennas) in clinical practice should be periodically checked with phantom experiments to verify the applicator's performance over time. The purpose of this study was to investigate the application of photogrammetry reconstructions of 3D applicator position in these quality control procedure measurements. Methods: Photogrammetry reconstruction was applied at superficial hyperthermia scenario using the Lucite cone applicator (LCA) and phased-array heating in the head and neck region using the HYPERcollar3D. Wire-frame models of the entire measurement setups were created from multiple-view images and used for recreation of the setup inside 3D electromagnetic field simulation software. We evaluated applicator relation (R_a) between measured and simulated absolute specific absorption rate (SAR) for manually created and photogrammetry reconstructed simulation setups. Results: We found a displacement of 7.9 mm for the LCA and 8.2 mm for the HYPERcollar3D setups when comparing manually created and photogrammetry reconstructed applicator models placements. R_a improved from 1.24 to 1.18 for the LCA and from 1.17 to 1.07 for the HYPERcollar3D when using photogrammetry reconstructed simulation setups. Conclusion: Photogrammetry reconstruction technique holds promise to improve measurement setup reconstruction and agreement between measured and simulated absolute SAR.

Original language	English
Pages (from-to)	87-94
Number of pages	8
Journal	Physica Medica
Volume	101
DOIs	https://doi.org/10.1016/j.ejmp.2022.08.008
Publication status	Published - Sept 2022

Bibliographical note

Funding Information:
This work was developed within the framework of COST Action MyWAVE CA17115 and was supported by the Dutch Cancer Society [grant 11368] and by the Czech Scientific Foundation [grant 21-00579S ].

Keywords

Hyperthermia
Photogrammetry
Quality assurance
SAR

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cite this

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title = "Application of photogrammetry reconstruction for hyperthermia quality control measurements",

abstract = "Purpose: Hyperthermia is a cancer treatment in which the target region is heated to temperatures of 40–44 °C usually applying external electromagnetic field sources. The behavior of the hyperthermia applicators (antennas) in clinical practice should be periodically checked with phantom experiments to verify the applicator's performance over time. The purpose of this study was to investigate the application of photogrammetry reconstructions of 3D applicator position in these quality control procedure measurements. Methods: Photogrammetry reconstruction was applied at superficial hyperthermia scenario using the Lucite cone applicator (LCA) and phased-array heating in the head and neck region using the HYPERcollar3D. Wire-frame models of the entire measurement setups were created from multiple-view images and used for recreation of the setup inside 3D electromagnetic field simulation software. We evaluated applicator relation (Ra) between measured and simulated absolute specific absorption rate (SAR) for manually created and photogrammetry reconstructed simulation setups. Results: We found a displacement of 7.9 mm for the LCA and 8.2 mm for the HYPERcollar3D setups when comparing manually created and photogrammetry reconstructed applicator models placements. Ra improved from 1.24 to 1.18 for the LCA and from 1.17 to 1.07 for the HYPERcollar3D when using photogrammetry reconstructed simulation setups. Conclusion: Photogrammetry reconstruction technique holds promise to improve measurement setup reconstruction and agreement between measured and simulated absolute SAR.",

keywords = "Hyperthermia, Photogrammetry, Quality assurance, SAR",

author = "Tomas Drizdal and Paulides, {Margarethus M.} and Kemal Sumser and David Vrba and Lukas Malena and Jan Vrba and Ondrej Fiser and {van Rhoon}, {Gerard C.}",

note = "Funding Information: This work was developed within the framework of COST Action MyWAVE CA17115 and was supported by the Dutch Cancer Society [grant 11368] and by the Czech Scientific Foundation [grant 21-00579S ]. ",

year = "2022",

month = sep,

doi = "10.1016/j.ejmp.2022.08.008",

language = "English",

volume = "101",

pages = "87--94",

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AU - Drizdal, Tomas

AU - Paulides, Margarethus M.

AU - Sumser, Kemal

AU - Vrba, David

AU - Malena, Lukas

AU - Vrba, Jan

AU - Fiser, Ondrej

AU - van Rhoon, Gerard C.

N1 - Funding Information: This work was developed within the framework of COST Action MyWAVE CA17115 and was supported by the Dutch Cancer Society [grant 11368] and by the Czech Scientific Foundation [grant 21-00579S ].

PY - 2022/9

Y1 - 2022/9

N2 - Purpose: Hyperthermia is a cancer treatment in which the target region is heated to temperatures of 40–44 °C usually applying external electromagnetic field sources. The behavior of the hyperthermia applicators (antennas) in clinical practice should be periodically checked with phantom experiments to verify the applicator's performance over time. The purpose of this study was to investigate the application of photogrammetry reconstructions of 3D applicator position in these quality control procedure measurements. Methods: Photogrammetry reconstruction was applied at superficial hyperthermia scenario using the Lucite cone applicator (LCA) and phased-array heating in the head and neck region using the HYPERcollar3D. Wire-frame models of the entire measurement setups were created from multiple-view images and used for recreation of the setup inside 3D electromagnetic field simulation software. We evaluated applicator relation (Ra) between measured and simulated absolute specific absorption rate (SAR) for manually created and photogrammetry reconstructed simulation setups. Results: We found a displacement of 7.9 mm for the LCA and 8.2 mm for the HYPERcollar3D setups when comparing manually created and photogrammetry reconstructed applicator models placements. Ra improved from 1.24 to 1.18 for the LCA and from 1.17 to 1.07 for the HYPERcollar3D when using photogrammetry reconstructed simulation setups. Conclusion: Photogrammetry reconstruction technique holds promise to improve measurement setup reconstruction and agreement between measured and simulated absolute SAR.

AB - Purpose: Hyperthermia is a cancer treatment in which the target region is heated to temperatures of 40–44 °C usually applying external electromagnetic field sources. The behavior of the hyperthermia applicators (antennas) in clinical practice should be periodically checked with phantom experiments to verify the applicator's performance over time. The purpose of this study was to investigate the application of photogrammetry reconstructions of 3D applicator position in these quality control procedure measurements. Methods: Photogrammetry reconstruction was applied at superficial hyperthermia scenario using the Lucite cone applicator (LCA) and phased-array heating in the head and neck region using the HYPERcollar3D. Wire-frame models of the entire measurement setups were created from multiple-view images and used for recreation of the setup inside 3D electromagnetic field simulation software. We evaluated applicator relation (Ra) between measured and simulated absolute specific absorption rate (SAR) for manually created and photogrammetry reconstructed simulation setups. Results: We found a displacement of 7.9 mm for the LCA and 8.2 mm for the HYPERcollar3D setups when comparing manually created and photogrammetry reconstructed applicator models placements. Ra improved from 1.24 to 1.18 for the LCA and from 1.17 to 1.07 for the HYPERcollar3D when using photogrammetry reconstructed simulation setups. Conclusion: Photogrammetry reconstruction technique holds promise to improve measurement setup reconstruction and agreement between measured and simulated absolute SAR.

KW - Hyperthermia

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KW - Quality assurance

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ER -

Application of photogrammetry reconstruction for hyperthermia quality control measurements

Abstract

Bibliographical note

Keywords

UN SDGs

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