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Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film
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| Zeitschriftentitel: | Journal of Applied Clinical Medical Physics |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Journal of Applied Clinical Medical Physics, 9, 2008, 3, S. 90-98 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
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| Schlagwörter: |
| author_facet |
García‐Garduño, Olivia Amanda Celis, Miguel Ángel Lárraga‐Gutiérrez, José Manuel Moreno‐Jiménez, Sergio Martínez‐Dávalos, Arnulfo Rodríguez‐Villafuerte, Mercedes García‐Garduño, Olivia Amanda Celis, Miguel Ángel Lárraga‐Gutiérrez, José Manuel Moreno‐Jiménez, Sergio Martínez‐Dávalos, Arnulfo Rodríguez‐Villafuerte, Mercedes |
|---|---|
| author |
García‐Garduño, Olivia Amanda Celis, Miguel Ángel Lárraga‐Gutiérrez, José Manuel Moreno‐Jiménez, Sergio Martínez‐Dávalos, Arnulfo Rodríguez‐Villafuerte, Mercedes |
| spellingShingle |
García‐Garduño, Olivia Amanda Celis, Miguel Ángel Lárraga‐Gutiérrez, José Manuel Moreno‐Jiménez, Sergio Martínez‐Dávalos, Arnulfo Rodríguez‐Villafuerte, Mercedes Journal of Applied Clinical Medical Physics Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film Radiology, Nuclear Medicine and imaging Instrumentation Radiation |
| author_sort |
garcía‐garduño, olivia amanda |
| spelling |
García‐Garduño, Olivia Amanda Celis, Miguel Ángel Lárraga‐Gutiérrez, José Manuel Moreno‐Jiménez, Sergio Martínez‐Dávalos, Arnulfo Rodríguez‐Villafuerte, Mercedes 1526-9914 1526-9914 Wiley Radiology, Nuclear Medicine and imaging Instrumentation Radiation http://dx.doi.org/10.1120/jacmp.v9i3.2802 <jats:p>Micro‐multileaf collimator systems coupled to linear accelerators for radioneurosurgery treatments require a rigorous dosimetric characterization in order to be used in 3D conformal and intensity modulated stereotactic radiosurgery and radiotherapy applications. This characterization involves high precision measurements of leaf transmission, leakage and beam penumbra through the collimation system and requires the use of detectors with high spatial resolution, high sensitivity and practically no energy dependence. In this work the use of GafChromic EBT radiochromic film to measure the basic dosimetric properties of the m3‐mMLC (BrainLAB, Germany) micro‐multileaf collimator system integrated to a 6 MV linear accelerator, is reported. Results show that average values of transmission and leakage radiation are <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0001.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0001" /> and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0002.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0002" />, respectively. The 80–20% beam penumbra were found to be <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0003.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0003" /> along the leaf side (perpendicular to leaf motion) and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0004.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0004" /> along the leaf end (parallel to leaf motion) using square field sizes ranging from 9.1 to 1.8 cm. These measurements are in agreement with values reported in the literature for the same type of mMLC using different radiation detectors.</jats:p><jats:p>PACS number: 87.56.N‐</jats:p> Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film Journal of Applied Clinical Medical Physics |
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| title |
Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_unstemmed |
Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_full |
Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_fullStr |
Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
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Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_short |
Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_sort |
radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using gafchromic ebt film |
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Radiology, Nuclear Medicine and imaging Instrumentation Radiation |
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http://dx.doi.org/10.1120/jacmp.v9i3.2802 |
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2008 |
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90-98 |
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<jats:p>Micro‐multileaf collimator systems coupled to linear accelerators for radioneurosurgery treatments require a rigorous dosimetric characterization in order to be used in 3D conformal and intensity modulated stereotactic radiosurgery and radiotherapy applications. This characterization involves high precision measurements of leaf transmission, leakage and beam penumbra through the collimation system and requires the use of detectors with high spatial resolution, high sensitivity and practically no energy dependence. In this work the use of GafChromic EBT radiochromic film to measure the basic dosimetric properties of the m3‐mMLC (BrainLAB, Germany) micro‐multileaf collimator system integrated to a 6 MV linear accelerator, is reported. Results show that average values of transmission and leakage radiation are <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0001.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0001" /> and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0002.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0002" />, respectively. The 80–20% beam penumbra were found to be <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0003.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0003" /> along the leaf side (perpendicular to leaf motion) and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0004.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0004" /> along the leaf end (parallel to leaf motion) using square field sizes ranging from 9.1 to 1.8 cm. These measurements are in agreement with values reported in the literature for the same type of mMLC using different radiation detectors.</jats:p><jats:p>PACS number: 87.56.N‐</jats:p> |
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| author | García‐Garduño, Olivia Amanda, Celis, Miguel Ángel, Lárraga‐Gutiérrez, José Manuel, Moreno‐Jiménez, Sergio, Martínez‐Dávalos, Arnulfo, Rodríguez‐Villafuerte, Mercedes |
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| description | <jats:p>Micro‐multileaf collimator systems coupled to linear accelerators for radioneurosurgery treatments require a rigorous dosimetric characterization in order to be used in 3D conformal and intensity modulated stereotactic radiosurgery and radiotherapy applications. This characterization involves high precision measurements of leaf transmission, leakage and beam penumbra through the collimation system and requires the use of detectors with high spatial resolution, high sensitivity and practically no energy dependence. In this work the use of GafChromic EBT radiochromic film to measure the basic dosimetric properties of the m3‐mMLC (BrainLAB, Germany) micro‐multileaf collimator system integrated to a 6 MV linear accelerator, is reported. Results show that average values of transmission and leakage radiation are <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0001.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0001" /> and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0002.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0002" />, respectively. The 80–20% beam penumbra were found to be <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0003.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0003" /> along the leaf side (perpendicular to leaf motion) and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0004.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0004" /> along the leaf end (parallel to leaf motion) using square field sizes ranging from 9.1 to 1.8 cm. These measurements are in agreement with values reported in the literature for the same type of mMLC using different radiation detectors.</jats:p><jats:p>PACS number: 87.56.N‐</jats:p> |
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| spelling | García‐Garduño, Olivia Amanda Celis, Miguel Ángel Lárraga‐Gutiérrez, José Manuel Moreno‐Jiménez, Sergio Martínez‐Dávalos, Arnulfo Rodríguez‐Villafuerte, Mercedes 1526-9914 1526-9914 Wiley Radiology, Nuclear Medicine and imaging Instrumentation Radiation http://dx.doi.org/10.1120/jacmp.v9i3.2802 <jats:p>Micro‐multileaf collimator systems coupled to linear accelerators for radioneurosurgery treatments require a rigorous dosimetric characterization in order to be used in 3D conformal and intensity modulated stereotactic radiosurgery and radiotherapy applications. This characterization involves high precision measurements of leaf transmission, leakage and beam penumbra through the collimation system and requires the use of detectors with high spatial resolution, high sensitivity and practically no energy dependence. In this work the use of GafChromic EBT radiochromic film to measure the basic dosimetric properties of the m3‐mMLC (BrainLAB, Germany) micro‐multileaf collimator system integrated to a 6 MV linear accelerator, is reported. Results show that average values of transmission and leakage radiation are <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0001.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0001" /> and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0002.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0002" />, respectively. The 80–20% beam penumbra were found to be <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0003.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0003" /> along the leaf side (perpendicular to leaf motion) and <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/acm20090-math-0004.png" xlink:title="urn:x-wiley:15269914:media:acm20090:acm20090-math-0004" /> along the leaf end (parallel to leaf motion) using square field sizes ranging from 9.1 to 1.8 cm. These measurements are in agreement with values reported in the literature for the same type of mMLC using different radiation detectors.</jats:p><jats:p>PACS number: 87.56.N‐</jats:p> Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film Journal of Applied Clinical Medical Physics |
| spellingShingle | García‐Garduño, Olivia Amanda, Celis, Miguel Ángel, Lárraga‐Gutiérrez, José Manuel, Moreno‐Jiménez, Sergio, Martínez‐Dávalos, Arnulfo, Rodríguez‐Villafuerte, Mercedes, Journal of Applied Clinical Medical Physics, Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film, Radiology, Nuclear Medicine and imaging, Instrumentation, Radiation |
| title | Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_full | Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_fullStr | Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_full_unstemmed | Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_short | Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| title_sort | radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using gafchromic ebt film |
| title_unstemmed | Radiation transmission, leakage and beam penumbra measurements of a micro‐multileaf collimator using GafChromic EBT film |
| topic | Radiology, Nuclear Medicine and imaging, Instrumentation, Radiation |
| url | http://dx.doi.org/10.1120/jacmp.v9i3.2802 |