Accuracy of patient dose estimation in cone beam computed tomography in breast irradiation by size‐specific dose estimates with position correction
This study aims to investigate the effects of the position correction of size‐specific dose estimates (SSDE) on patient dose estimation in cone beam computed tomography (CBCT). The relationship between the phantom position and absorbed dose in the right breast was studied using optically stimulated...
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| Veröffentlicht in: | Journal of Applied Clinical Medical Physics 2022-12, Vol.23 (12), p.e13851-n/a |
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| description | This study aims to investigate the effects of the position correction of size‐specific dose estimates (SSDE) on patient dose estimation in cone beam computed tomography (CBCT). The relationship between the phantom position and absorbed dose in the right breast was studied using optically stimulated luminescence dosimeters and a simulated human body phantom. The effect of position correction for CT dose index (CTDI) on SSDE was investigated in 51 patients who underwent right breast irradiation by comparing the SSDE with position correction and SSDE without position correction. The absorbed dose in the right breast tended to decrease by 10.2% as the phantom was placed away from the center of CBCT. The mean and standard deviation of SSDE were 2.54 ± 0.29 and 2.92 ± 0.30 mGy with and without position correction, respectively. The SSDE with position correction was 13.1% lower than that without position correction (p |
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The relationship between the phantom position and absorbed dose in the right breast was studied using optically stimulated luminescence dosimeters and a simulated human body phantom. The effect of position correction for CT dose index (CTDI) on SSDE was investigated in 51 patients who underwent right breast irradiation by comparing the SSDE with position correction and SSDE without position correction. The absorbed dose in the right breast tended to decrease by 10.2% as the phantom was placed away from the center of CBCT. The mean and standard deviation of SSDE were 2.54 ± 0.29 and 2.92 ± 0.30 mGy with and without position correction, respectively. The SSDE with position correction was 13.1% lower than that without position correction (p < 0.05). SSDE was different when the patient's torso center was located at the isocenter of CBCT, and when it was not. The same tendency was seen in the case of the breast. Therefore, if the center of the patient is not at the acquisition center of the CT scanner, position correction is required when estimating SSDE.</description><identifier>ISSN: 1526-9914</identifier><identifier>EISSN: 1526-9914</identifier><identifier>DOI: 10.1002/acm2.13851</identifier><identifier>PMID: 36448537</identifier><language>eng</language><publisher>United States: John Wiley & Sons, Inc</publisher><subject>Accuracy ; Breast ; Cone-Beam Computed Tomography - methods ; cone‐beam computed tomography ; CT imaging ; Dosimetry ; Humans ; image‐guided radiation therapy ; Medical research ; Medicine, Experimental ; Patients ; Phantoms, Imaging ; Radiation Dosage ; Radiation therapy ; Scanners ; size‐specific dose estimates ; Tomography ; Tomography Scanners, X-Ray Computed ; Ultrasonic imaging</subject><ispartof>Journal of Applied Clinical Medical Physics, 2022-12, Vol.23 (12), p.e13851-n/a</ispartof><rights>2022 The Authors. published by Wiley Periodicals, LLC on behalf of The American Association of Physicists in Medicine.</rights><rights>2022 The Authors. 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The relationship between the phantom position and absorbed dose in the right breast was studied using optically stimulated luminescence dosimeters and a simulated human body phantom. The effect of position correction for CT dose index (CTDI) on SSDE was investigated in 51 patients who underwent right breast irradiation by comparing the SSDE with position correction and SSDE without position correction. The absorbed dose in the right breast tended to decrease by 10.2% as the phantom was placed away from the center of CBCT. The mean and standard deviation of SSDE were 2.54 ± 0.29 and 2.92 ± 0.30 mGy with and without position correction, respectively. The SSDE with position correction was 13.1% lower than that without position correction (p < 0.05). SSDE was different when the patient's torso center was located at the isocenter of CBCT, and when it was not. The same tendency was seen in the case of the breast. Therefore, if the center of the patient is not at the acquisition center of the CT scanner, position correction is required when estimating SSDE.</description><subject>Accuracy</subject><subject>Breast</subject><subject>Cone-Beam Computed Tomography - methods</subject><subject>cone‐beam computed tomography</subject><subject>CT imaging</subject><subject>Dosimetry</subject><subject>Humans</subject><subject>image‐guided radiation therapy</subject><subject>Medical research</subject><subject>Medicine, Experimental</subject><subject>Patients</subject><subject>Phantoms, Imaging</subject><subject>Radiation Dosage</subject><subject>Radiation therapy</subject><subject>Scanners</subject><subject>size‐specific dose estimates</subject><subject>Tomography</subject><subject>Tomography Scanners, X-Ray Computed</subject><subject>Ultrasonic imaging</subject><issn>1526-9914</issn><issn>1526-9914</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>WIN</sourceid><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kc1u1TAQhS1ERUthwwMgS2wQ0r34J3ac5dUVf1IrNrC2HHvcurqJg52oSlc8AhtekCfBaUpVWKBZeDT65vhoDkIvKNlSQthbYzu2pVwJ-gidUMHkpmlo9fhBf4ye5nxFCKWKqyfomMuqUoLXJ-jnztopGTvj6PFgxgD9iF3MgCGPoSuD2OPQYxt7wC2YrnTdMI3g8Bi7eJHMcDkvQJvA5BGHlIwL61o74xxu4Nf3H3kAG3ywfylDxtdhvMRDzOGWtzElsEv7DB15c8jw_O49RV_fv_uy_7g5-_zh0353trGVJHQjRQOtU1aBIgIcUMI44V7KSgEDLkQthbMeShFSS9dw1nonfcW9NcJSfoper7pDit-m4kt3IVs4HEwPccqa1RUXRBFZFfTVP-hVnFJf3BVKKCl40_BCbVfqwhxAh97HsRy3lIMuLDf0ocx3tRCcNZLWZeHNumBTzDmB10Mqx0mzpkQv6eolXX2bboFf3nmY2g7cPfonzgLQFbgu38z_kdK7_TlbRX8DERyymQ</recordid><startdate>202212</startdate><enddate>202212</enddate><creator>Ueno, Hiroyuki</creator><creator>Matsubara, Kosuke</creator><creator>Bou, Sayuri</creator><creator>Hizume, Masato</creator><general>John Wiley & Sons, Inc</general><scope>24P</scope><scope>WIN</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>IAO</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88I</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M2P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-9933-0135</orcidid></search><sort><creationdate>202212</creationdate><title>Accuracy of patient dose estimation in cone beam computed tomography in breast irradiation by size‐specific dose estimates with position correction</title><author>Ueno, Hiroyuki ; Matsubara, Kosuke ; Bou, Sayuri ; Hizume, Masato</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4601-659ebd8c8e805ede102303f6648e2e355765dcfefef0076d932bfd6f43fca5c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Accuracy</topic><topic>Breast</topic><topic>Cone-Beam Computed Tomography - methods</topic><topic>cone‐beam computed tomography</topic><topic>CT imaging</topic><topic>Dosimetry</topic><topic>Humans</topic><topic>image‐guided radiation therapy</topic><topic>Medical research</topic><topic>Medicine, Experimental</topic><topic>Patients</topic><topic>Phantoms, Imaging</topic><topic>Radiation Dosage</topic><topic>Radiation therapy</topic><topic>Scanners</topic><topic>size‐specific dose estimates</topic><topic>Tomography</topic><topic>Tomography Scanners, X-Ray Computed</topic><topic>Ultrasonic imaging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ueno, Hiroyuki</creatorcontrib><creatorcontrib>Matsubara, Kosuke</creatorcontrib><creatorcontrib>Bou, Sayuri</creatorcontrib><creatorcontrib>Hizume, Masato</creatorcontrib><collection>Wiley Online Library (Open Access Collection)</collection><collection>Wiley Online Library (Open Access Collection)</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale Academic OneFile</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Science Database</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of Applied Clinical Medical Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ueno, Hiroyuki</au><au>Matsubara, Kosuke</au><au>Bou, Sayuri</au><au>Hizume, Masato</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Accuracy of patient dose estimation in cone beam computed tomography in breast irradiation by size‐specific dose estimates with position correction</atitle><jtitle>Journal of Applied Clinical Medical Physics</jtitle><addtitle>J Appl Clin Med Phys</addtitle><date>2022-12</date><risdate>2022</risdate><volume>23</volume><issue>12</issue><spage>e13851</spage><epage>n/a</epage><pages>e13851-n/a</pages><issn>1526-9914</issn><eissn>1526-9914</eissn><abstract>This study aims to investigate the effects of the position correction of size‐specific dose estimates (SSDE) on patient dose estimation in cone beam computed tomography (CBCT). The relationship between the phantom position and absorbed dose in the right breast was studied using optically stimulated luminescence dosimeters and a simulated human body phantom. The effect of position correction for CT dose index (CTDI) on SSDE was investigated in 51 patients who underwent right breast irradiation by comparing the SSDE with position correction and SSDE without position correction. The absorbed dose in the right breast tended to decrease by 10.2% as the phantom was placed away from the center of CBCT. The mean and standard deviation of SSDE were 2.54 ± 0.29 and 2.92 ± 0.30 mGy with and without position correction, respectively. The SSDE with position correction was 13.1% lower than that without position correction (p < 0.05). SSDE was different when the patient's torso center was located at the isocenter of CBCT, and when it was not. The same tendency was seen in the case of the breast. Therefore, if the center of the patient is not at the acquisition center of the CT scanner, position correction is required when estimating SSDE.</abstract><cop>United States</cop><pub>John Wiley & Sons, Inc</pub><pmid>36448537</pmid><doi>10.1002/acm2.13851</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-9933-0135</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Accuracy Breast Cone-Beam Computed Tomography - methods cone‐beam computed tomography CT imaging Dosimetry Humans image‐guided radiation therapy Medical research Medicine, Experimental Patients Phantoms, Imaging Radiation Dosage Radiation therapy Scanners size‐specific dose estimates Tomography Tomography Scanners, X-Ray Computed Ultrasonic imaging |
| title | Accuracy of patient dose estimation in cone beam computed tomography in breast irradiation by size‐specific dose estimates with position correction |
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