Posterior kV-CBCT scanning of the head and neck region minimizes doses to critical organs with sustained image quality
Abstract We evaluated the absorbed dose to critical organs, as well as the image quality, at different partial angles in kV-CBCT (Cone Beam Computed Tomography) scanning of the head and neck region. CBCT images of phantom from a 200° rotation were performed by using three different scanning paths, a...
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| Veröffentlicht in: | Physica medica 2015-07, Vol.31 (5), p.524-528 |
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| creator | Khamfongkhruea, Chirasak Utapom, Kitsana Munsing, Siwapon Suttiprapha, Sittipong Tannanonta, Chirapha Yabsantia, Sumalee |
| description | Abstract We evaluated the absorbed dose to critical organs, as well as the image quality, at different partial angles in kV-CBCT (Cone Beam Computed Tomography) scanning of the head and neck region. CBCT images of phantom from a 200° rotation were performed by using three different scanning paths, anterior, posterior, and right lateral with Catphan504 and RANDO phantoms. Critical organ dose was measured using TLD 100H in the RANDO phantom. The image quality of those phantoms was evaluated, using HU uniformity, HU linearity, contrast-to-noise ratio, low contrast visibility and spatial resolution with the Catphan504 dataset; and 5-point grading scales for the RANDO phantom dataset by five radiation oncologists. The image qualities from Catphan504 and RANDO phantom of every scanning path were comparable, with no statistically significant difference (p ≥ 0.05). However, there was a significant difference in the critical organ dose in all paths (p |
| doi_str_mv | 10.1016/j.ejmp.2015.03.016 |
| format | Article |
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CBCT images of phantom from a 200° rotation were performed by using three different scanning paths, anterior, posterior, and right lateral with Catphan504 and RANDO phantoms. Critical organ dose was measured using TLD 100H in the RANDO phantom. The image quality of those phantoms was evaluated, using HU uniformity, HU linearity, contrast-to-noise ratio, low contrast visibility and spatial resolution with the Catphan504 dataset; and 5-point grading scales for the RANDO phantom dataset by five radiation oncologists. The image qualities from Catphan504 and RANDO phantom of every scanning path were comparable, with no statistically significant difference (p ≥ 0.05). However, there was a significant difference in the critical organ dose in all paths (p < 0.05), depending on the critical organ location and the scanning direction. Scanning directions show no effects on the image quality. Differences in absorbed dose to critical organs should were evaluated. The posterior scanning path for the CBCT was deemed preferable due because of considerably lower doses to several critical organs of the head and neck region.</description><identifier>ISSN: 1120-1797</identifier><identifier>EISSN: 1724-191X</identifier><identifier>DOI: 10.1016/j.ejmp.2015.03.016</identifier><identifier>PMID: 25921330</identifier><language>eng</language><publisher>Italy: Elsevier Ltd</publisher><subject>Absorption, Radiation ; Cone-beam computed tomography ; Cone-Beam Computed Tomography - adverse effects ; Cone-Beam Computed Tomography - methods ; Head - diagnostic imaging ; Head and neck cancer ; Humans ; Image-guided radiation therapy ; Imaging dose ; Neck - diagnostic imaging ; Organs at Risk - radiation effects ; Phantoms, Imaging ; Quality Control ; Radiation Dosage ; Radiology</subject><ispartof>Physica medica, 2015-07, Vol.31 (5), p.524-528</ispartof><rights>2015</rights><rights>Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c481t-18b0560390be52d9547033160a79c6304efd63ab64bad53513e72a51dac7c1e53</citedby><cites>FETCH-LOGICAL-c481t-18b0560390be52d9547033160a79c6304efd63ab64bad53513e72a51dac7c1e53</cites><orcidid>0000-0002-7359-2479</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ejmp.2015.03.016$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25921330$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Khamfongkhruea, Chirasak</creatorcontrib><creatorcontrib>Utapom, Kitsana</creatorcontrib><creatorcontrib>Munsing, Siwapon</creatorcontrib><creatorcontrib>Suttiprapha, Sittipong</creatorcontrib><creatorcontrib>Tannanonta, Chirapha</creatorcontrib><creatorcontrib>Yabsantia, Sumalee</creatorcontrib><title>Posterior kV-CBCT scanning of the head and neck region minimizes doses to critical organs with sustained image quality</title><title>Physica medica</title><addtitle>Phys Med</addtitle><description>Abstract We evaluated the absorbed dose to critical organs, as well as the image quality, at different partial angles in kV-CBCT (Cone Beam Computed Tomography) scanning of the head and neck region. CBCT images of phantom from a 200° rotation were performed by using three different scanning paths, anterior, posterior, and right lateral with Catphan504 and RANDO phantoms. Critical organ dose was measured using TLD 100H in the RANDO phantom. The image quality of those phantoms was evaluated, using HU uniformity, HU linearity, contrast-to-noise ratio, low contrast visibility and spatial resolution with the Catphan504 dataset; and 5-point grading scales for the RANDO phantom dataset by five radiation oncologists. The image qualities from Catphan504 and RANDO phantom of every scanning path were comparable, with no statistically significant difference (p ≥ 0.05). However, there was a significant difference in the critical organ dose in all paths (p < 0.05), depending on the critical organ location and the scanning direction. Scanning directions show no effects on the image quality. Differences in absorbed dose to critical organs should were evaluated. The posterior scanning path for the CBCT was deemed preferable due because of considerably lower doses to several critical organs of the head and neck region.</description><subject>Absorption, Radiation</subject><subject>Cone-beam computed tomography</subject><subject>Cone-Beam Computed Tomography - adverse effects</subject><subject>Cone-Beam Computed Tomography - methods</subject><subject>Head - diagnostic imaging</subject><subject>Head and neck cancer</subject><subject>Humans</subject><subject>Image-guided radiation therapy</subject><subject>Imaging dose</subject><subject>Neck - diagnostic imaging</subject><subject>Organs at Risk - radiation effects</subject><subject>Phantoms, Imaging</subject><subject>Quality Control</subject><subject>Radiation Dosage</subject><subject>Radiology</subject><issn>1120-1797</issn><issn>1724-191X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kU2LFDEQhhtR3A_9Ax4kRy_dVpJOf4AI7uCqsKDgKt5COqmZyUx3MpukV8Zfb5pZPXjwUimK932pPFUULyhUFGjzelfhbjpUDKiogFd59Kg4py2rS9rTH49zTxmUtO3bs-Iixh0AZ0yIp8UZEz2jnMN5cf_Fx4TB-kD238vV1eqWRK2cs25D_JqkLZItKkOUM8Sh3pOAG-sdmayzk_2FkRgfc02e6GCT1WokPmyUi-SnTVsS55iUdWiIndQGyd2sRpuOz4onazVGfP7wXhbfrt_frj6WN58_fFq9uyl13dFU0m4A0QDvYUDBTC_qFjinDai21w2HGtem4Wpo6kEZwQXl2DIlqFG61RQFvyxenXIPwd_NGJOcbNQ4jsqhn6OkTddz6OqaZyk7SXXwMQZcy0PIO4ejpCAX3nInF95y4S2ByzzKppcP-fMwoflr-QM4C96cBJh_eW8xyKgtOo3GBtRJGm__n__2H7seM_lMeY9HjDs_B5f5SSojkyC_LhdfDk4FALQd478BFqumaw</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Khamfongkhruea, Chirasak</creator><creator>Utapom, Kitsana</creator><creator>Munsing, Siwapon</creator><creator>Suttiprapha, Sittipong</creator><creator>Tannanonta, Chirapha</creator><creator>Yabsantia, Sumalee</creator><general>Elsevier Ltd</general><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>7X8</scope><orcidid>https://orcid.org/0000-0002-7359-2479</orcidid></search><sort><creationdate>20150701</creationdate><title>Posterior kV-CBCT scanning of the head and neck region minimizes doses to critical organs with sustained image quality</title><author>Khamfongkhruea, Chirasak ; Utapom, Kitsana ; Munsing, Siwapon ; Suttiprapha, Sittipong ; Tannanonta, Chirapha ; Yabsantia, Sumalee</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c481t-18b0560390be52d9547033160a79c6304efd63ab64bad53513e72a51dac7c1e53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Absorption, Radiation</topic><topic>Cone-beam computed tomography</topic><topic>Cone-Beam Computed Tomography - adverse effects</topic><topic>Cone-Beam Computed Tomography - methods</topic><topic>Head - diagnostic imaging</topic><topic>Head and neck cancer</topic><topic>Humans</topic><topic>Image-guided radiation therapy</topic><topic>Imaging dose</topic><topic>Neck - diagnostic imaging</topic><topic>Organs at Risk - radiation effects</topic><topic>Phantoms, Imaging</topic><topic>Quality Control</topic><topic>Radiation Dosage</topic><topic>Radiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Khamfongkhruea, Chirasak</creatorcontrib><creatorcontrib>Utapom, Kitsana</creatorcontrib><creatorcontrib>Munsing, Siwapon</creatorcontrib><creatorcontrib>Suttiprapha, Sittipong</creatorcontrib><creatorcontrib>Tannanonta, Chirapha</creatorcontrib><creatorcontrib>Yabsantia, Sumalee</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Physica medica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khamfongkhruea, Chirasak</au><au>Utapom, Kitsana</au><au>Munsing, Siwapon</au><au>Suttiprapha, Sittipong</au><au>Tannanonta, Chirapha</au><au>Yabsantia, Sumalee</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Posterior kV-CBCT scanning of the head and neck region minimizes doses to critical organs with sustained image quality</atitle><jtitle>Physica medica</jtitle><addtitle>Phys Med</addtitle><date>2015-07-01</date><risdate>2015</risdate><volume>31</volume><issue>5</issue><spage>524</spage><epage>528</epage><pages>524-528</pages><issn>1120-1797</issn><eissn>1724-191X</eissn><abstract>Abstract We evaluated the absorbed dose to critical organs, as well as the image quality, at different partial angles in kV-CBCT (Cone Beam Computed Tomography) scanning of the head and neck region. CBCT images of phantom from a 200° rotation were performed by using three different scanning paths, anterior, posterior, and right lateral with Catphan504 and RANDO phantoms. Critical organ dose was measured using TLD 100H in the RANDO phantom. The image quality of those phantoms was evaluated, using HU uniformity, HU linearity, contrast-to-noise ratio, low contrast visibility and spatial resolution with the Catphan504 dataset; and 5-point grading scales for the RANDO phantom dataset by five radiation oncologists. The image qualities from Catphan504 and RANDO phantom of every scanning path were comparable, with no statistically significant difference (p ≥ 0.05). However, there was a significant difference in the critical organ dose in all paths (p < 0.05), depending on the critical organ location and the scanning direction. Scanning directions show no effects on the image quality. Differences in absorbed dose to critical organs should were evaluated. The posterior scanning path for the CBCT was deemed preferable due because of considerably lower doses to several critical organs of the head and neck region.</abstract><cop>Italy</cop><pub>Elsevier Ltd</pub><pmid>25921330</pmid><doi>10.1016/j.ejmp.2015.03.016</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-7359-2479</orcidid></addata></record> |
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| subjects | Absorption, Radiation Cone-beam computed tomography Cone-Beam Computed Tomography - adverse effects Cone-Beam Computed Tomography - methods Head - diagnostic imaging Head and neck cancer Humans Image-guided radiation therapy Imaging dose Neck - diagnostic imaging Organs at Risk - radiation effects Phantoms, Imaging Quality Control Radiation Dosage Radiology |
| title | Posterior kV-CBCT scanning of the head and neck region minimizes doses to critical organs with sustained image quality |
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