Optimal Beam Quality in Chest Radiography Using CsI-flat Panel Detector for Detection of Pulmonary Nodules
Objectives: Optimal beam quality for detection of pulmonary nodules in digital chest radiography using CsI-flat panel detector (FPD) was investigated in consideration of image quality and patient dose. Methods: The human chest phantom with inserted imitated nodules (diameter: 10 mm, CT value: +30 Ho...
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| Veröffentlicht in: | Japanese Journal of Radiological Technology 2021, Vol.77(4), pp.335-343 |
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| creator | Oda, Nobuhiro Tabata, Yoshito Mizuta, Masayoshi Asada, Yasuki Nakano, Tsutomu Hara, Tatsunori Kurokawa, Yoshiyuki Aoki, Takatoshi Uehara, Shuzo |
| description | Objectives: Optimal beam quality for detection of pulmonary nodules in digital chest radiography using CsI-flat panel detector (FPD) was investigated in consideration of image quality and patient dose. Methods: The human chest phantom with inserted imitated nodules (diameter: 10 mm, CT value: +30 Hounsfield unit (HU), –375 HU, –620 HU) was used for the measurement of contrast-to-noise ratio (CNR) of imitated nodules by twenty beams arranged by five tube voltages and four filters. Results: The CNR varies with X-ray tube voltage and added filter. CNR correlates weakly to the tube voltage, fairly to the effective energy in second-order polynomial and strongly to the quality index (effective energy divided X-ray tube voltage). In order to improve the CNR, the effective energy and the quality index are kept about 50 keV and more than 0.5, respectively, using an 80–100 kV beam with a copper filter. Conclusion: A 90 kV (2.5 mm Al inherent filtration) beam with a 0.15 mm copper filter and a 90 kV or 100 kV (2.5 mm Al inherent filtration) beam with a 0.2 mm copper filter are appropriate for chest radiography using CsI-FPD. |
| doi_str_mv | 10.6009/jjrt.2021_JSRT_77.4.335 |
| format | Article |
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Methods: The human chest phantom with inserted imitated nodules (diameter: 10 mm, CT value: +30 Hounsfield unit (HU), –375 HU, –620 HU) was used for the measurement of contrast-to-noise ratio (CNR) of imitated nodules by twenty beams arranged by five tube voltages and four filters. Results: The CNR varies with X-ray tube voltage and added filter. CNR correlates weakly to the tube voltage, fairly to the effective energy in second-order polynomial and strongly to the quality index (effective energy divided X-ray tube voltage). In order to improve the CNR, the effective energy and the quality index are kept about 50 keV and more than 0.5, respectively, using an 80–100 kV beam with a copper filter. Conclusion: A 90 kV (2.5 mm Al inherent filtration) beam with a 0.15 mm copper filter and a 90 kV or 100 kV (2.5 mm Al inherent filtration) beam with a 0.2 mm copper filter are appropriate for chest radiography using CsI-FPD.</description><identifier>ISSN: 0369-4305</identifier><identifier>EISSN: 1881-4883</identifier><identifier>DOI: 10.6009/jjrt.2021_JSRT_77.4.335</identifier><identifier>PMID: 33883367</identifier><language>eng ; jpn</language><publisher>Japan: Japanese Society of Radiological Technology</publisher><subject>Algorithms ; beam quality ; Chest ; contrast-to-noise ratio (CNR) ; Copper ; CsI-flat panel detector (FPD) ; Diameters ; digital chest radiography (DR) ; Electric potential ; Energy ; Filtration ; Humans ; Image quality ; Lung nodules ; Nodules ; Noise measurement ; Phantoms, Imaging ; Polynomials ; pulmonary nodule ; Radiation Dosage ; Radiographic Image Enhancement ; Radiography ; Radiography, Thoracic ; Voltage ; X ray tubes</subject><ispartof>Japanese Journal of Radiological Technology, 2021, Vol.77(4), pp.335-343</ispartof><rights>2021 Japanese Society of Radiological Technology</rights><rights>Copyright Japan Science and Technology Agency 2021</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3055-c33863d92d643220e1d00310714c37f722f62cafe783b0a82fa3bd777ff7e3323</citedby><cites>FETCH-LOGICAL-c3055-c33863d92d643220e1d00310714c37f722f62cafe783b0a82fa3bd777ff7e3323</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4022,27922,27923,27924</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33883367$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Oda, Nobuhiro</creatorcontrib><creatorcontrib>Tabata, Yoshito</creatorcontrib><creatorcontrib>Mizuta, Masayoshi</creatorcontrib><creatorcontrib>Asada, Yasuki</creatorcontrib><creatorcontrib>Nakano, Tsutomu</creatorcontrib><creatorcontrib>Hara, Tatsunori</creatorcontrib><creatorcontrib>Kurokawa, Yoshiyuki</creatorcontrib><creatorcontrib>Aoki, Takatoshi</creatorcontrib><creatorcontrib>Uehara, Shuzo</creatorcontrib><title>Optimal Beam Quality in Chest Radiography Using CsI-flat Panel Detector for Detection of Pulmonary Nodules</title><title>Japanese Journal of Radiological Technology</title><addtitle>Jpn. J. Radiol. Technol.</addtitle><description>Objectives: Optimal beam quality for detection of pulmonary nodules in digital chest radiography using CsI-flat panel detector (FPD) was investigated in consideration of image quality and patient dose. Methods: The human chest phantom with inserted imitated nodules (diameter: 10 mm, CT value: +30 Hounsfield unit (HU), –375 HU, –620 HU) was used for the measurement of contrast-to-noise ratio (CNR) of imitated nodules by twenty beams arranged by five tube voltages and four filters. Results: The CNR varies with X-ray tube voltage and added filter. CNR correlates weakly to the tube voltage, fairly to the effective energy in second-order polynomial and strongly to the quality index (effective energy divided X-ray tube voltage). In order to improve the CNR, the effective energy and the quality index are kept about 50 keV and more than 0.5, respectively, using an 80–100 kV beam with a copper filter. Conclusion: A 90 kV (2.5 mm Al inherent filtration) beam with a 0.15 mm copper filter and a 90 kV or 100 kV (2.5 mm Al inherent filtration) beam with a 0.2 mm copper filter are appropriate for chest radiography using CsI-FPD.</description><subject>Algorithms</subject><subject>beam quality</subject><subject>Chest</subject><subject>contrast-to-noise ratio (CNR)</subject><subject>Copper</subject><subject>CsI-flat panel detector (FPD)</subject><subject>Diameters</subject><subject>digital chest radiography (DR)</subject><subject>Electric potential</subject><subject>Energy</subject><subject>Filtration</subject><subject>Humans</subject><subject>Image quality</subject><subject>Lung nodules</subject><subject>Nodules</subject><subject>Noise measurement</subject><subject>Phantoms, Imaging</subject><subject>Polynomials</subject><subject>pulmonary nodule</subject><subject>Radiation Dosage</subject><subject>Radiographic Image Enhancement</subject><subject>Radiography</subject><subject>Radiography, Thoracic</subject><subject>Voltage</subject><subject>X ray tubes</subject><issn>0369-4305</issn><issn>1881-4883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNplkF1PwyAUhonR6DL9C0ridecppy3dpc6vGXV-XhPWwtamKxPoxf69aHUx8YJDIM95DzyEnMQwygDGZ3Vt_YgBi8Xd68ub4HyUjBDTHTKI8zyOkjzHXTIAzMZRgpAekCPnqjmE1nAFyT45QAwMZnxA6tnaVyvZ0AslV_S5k03lN7Rq6WSpnKcvsqzMwsr1ckPfXdUu6MRNI91IT59kqxp6qbwqvLFUh9UfKtNSo-lT16xMK-2GPpqya5Q7JHtaNk4d_exD8n599Ta5je5nN9PJ-X1UhMemoWKeYTlmZZYgY6DiEgBj4HFSINecMZ2xQmrFc5yDzJmWOC8551pzhchwSE773LU1H134hahNZ9swUrCUQQocUgwU76nCGues0mJtgwi7ETGIL83iS7P4q1kkImgOncc_-d18pcpt36_UADz0QO28XKgtIK2vikb1wd9xofwfsOWKpbRCtfgJz-6VcQ</recordid><startdate>2021</startdate><enddate>2021</enddate><creator>Oda, Nobuhiro</creator><creator>Tabata, Yoshito</creator><creator>Mizuta, Masayoshi</creator><creator>Asada, Yasuki</creator><creator>Nakano, Tsutomu</creator><creator>Hara, Tatsunori</creator><creator>Kurokawa, Yoshiyuki</creator><creator>Aoki, Takatoshi</creator><creator>Uehara, Shuzo</creator><general>Japanese Society of Radiological Technology</general><general>Japan Science and Technology Agency</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>7QO</scope><scope>7SC</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope></search><sort><creationdate>2021</creationdate><title>Optimal Beam Quality in Chest Radiography Using CsI-flat Panel Detector for Detection of Pulmonary Nodules</title><author>Oda, Nobuhiro ; Tabata, Yoshito ; Mizuta, Masayoshi ; Asada, Yasuki ; Nakano, Tsutomu ; Hara, Tatsunori ; Kurokawa, Yoshiyuki ; Aoki, Takatoshi ; Uehara, Shuzo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3055-c33863d92d643220e1d00310714c37f722f62cafe783b0a82fa3bd777ff7e3323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2021</creationdate><topic>Algorithms</topic><topic>beam quality</topic><topic>Chest</topic><topic>contrast-to-noise ratio (CNR)</topic><topic>Copper</topic><topic>CsI-flat panel detector (FPD)</topic><topic>Diameters</topic><topic>digital chest radiography (DR)</topic><topic>Electric potential</topic><topic>Energy</topic><topic>Filtration</topic><topic>Humans</topic><topic>Image quality</topic><topic>Lung nodules</topic><topic>Nodules</topic><topic>Noise measurement</topic><topic>Phantoms, Imaging</topic><topic>Polynomials</topic><topic>pulmonary nodule</topic><topic>Radiation Dosage</topic><topic>Radiographic Image Enhancement</topic><topic>Radiography</topic><topic>Radiography, Thoracic</topic><topic>Voltage</topic><topic>X ray tubes</topic><toplevel>online_resources</toplevel><creatorcontrib>Oda, Nobuhiro</creatorcontrib><creatorcontrib>Tabata, Yoshito</creatorcontrib><creatorcontrib>Mizuta, Masayoshi</creatorcontrib><creatorcontrib>Asada, Yasuki</creatorcontrib><creatorcontrib>Nakano, Tsutomu</creatorcontrib><creatorcontrib>Hara, Tatsunori</creatorcontrib><creatorcontrib>Kurokawa, Yoshiyuki</creatorcontrib><creatorcontrib>Aoki, Takatoshi</creatorcontrib><creatorcontrib>Uehara, Shuzo</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Japanese Journal of Radiological Technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Oda, Nobuhiro</au><au>Tabata, Yoshito</au><au>Mizuta, Masayoshi</au><au>Asada, Yasuki</au><au>Nakano, Tsutomu</au><au>Hara, Tatsunori</au><au>Kurokawa, Yoshiyuki</au><au>Aoki, Takatoshi</au><au>Uehara, Shuzo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimal Beam Quality in Chest Radiography Using CsI-flat Panel Detector for Detection of Pulmonary Nodules</atitle><jtitle>Japanese Journal of Radiological Technology</jtitle><addtitle>Jpn. J. Radiol. Technol.</addtitle><date>2021</date><risdate>2021</risdate><volume>77</volume><issue>4</issue><spage>335</spage><epage>343</epage><pages>335-343</pages><issn>0369-4305</issn><eissn>1881-4883</eissn><abstract>Objectives: Optimal beam quality for detection of pulmonary nodules in digital chest radiography using CsI-flat panel detector (FPD) was investigated in consideration of image quality and patient dose. Methods: The human chest phantom with inserted imitated nodules (diameter: 10 mm, CT value: +30 Hounsfield unit (HU), –375 HU, –620 HU) was used for the measurement of contrast-to-noise ratio (CNR) of imitated nodules by twenty beams arranged by five tube voltages and four filters. Results: The CNR varies with X-ray tube voltage and added filter. CNR correlates weakly to the tube voltage, fairly to the effective energy in second-order polynomial and strongly to the quality index (effective energy divided X-ray tube voltage). In order to improve the CNR, the effective energy and the quality index are kept about 50 keV and more than 0.5, respectively, using an 80–100 kV beam with a copper filter. Conclusion: A 90 kV (2.5 mm Al inherent filtration) beam with a 0.15 mm copper filter and a 90 kV or 100 kV (2.5 mm Al inherent filtration) beam with a 0.2 mm copper filter are appropriate for chest radiography using CsI-FPD.</abstract><cop>Japan</cop><pub>Japanese Society of Radiological Technology</pub><pmid>33883367</pmid><doi>10.6009/jjrt.2021_JSRT_77.4.335</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Algorithms beam quality Chest contrast-to-noise ratio (CNR) Copper CsI-flat panel detector (FPD) Diameters digital chest radiography (DR) Electric potential Energy Filtration Humans Image quality Lung nodules Nodules Noise measurement Phantoms, Imaging Polynomials pulmonary nodule Radiation Dosage Radiographic Image Enhancement Radiography Radiography, Thoracic Voltage X ray tubes |
| title | Optimal Beam Quality in Chest Radiography Using CsI-flat Panel Detector for Detection of Pulmonary Nodules |
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