Effects of Delayed Processing on Mammographic Phantom Object Detection
OBJECTIVES. Delayed processing of films is a common occurrence in mobile mammography screening programs. The effects of such delayed processing on radiologistsʼ detection of phantom test objects are investigated.METHODS. Twelve screen-film combinations were exposed using a phantom and developed afte...
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| Veröffentlicht in: | Investigative radiology 1993-12, Vol.28 (12), p.1113-1118 |
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| container_title | Investigative radiology |
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| creator | GERHARDT, DIETRICH A PISANO, ETTA D JOHNSON, CHRISTOPHER BRAEUNING, PATTY DICKE, KAREN WASHBURN, DAVID B BURNS, CHARLES HUANG, KUANGZOO S |
| description | OBJECTIVES. Delayed processing of films is a common occurrence in mobile mammography screening programs. The effects of such delayed processing on radiologistsʼ detection of phantom test objects are investigated.METHODS. Twelve screen-film combinations were exposed using a phantom and developed after delays of 0, 1, 2, 3, 5, and 7 days. Films were scored by three board-certified radiologists specializing in mammography, based on visibility of calcifications, masses, fibrils, and line pairs.RESULTS. Variance analyses of mean scores indicate that, across screen-film combinations, there are no statistically significant decreases in object detection associated with delayed processing. The analyses do indicate, however, a statistically significant difference in scores unrelated to delay, attributable to the screen-film combination used.CONCLUSIONS. Delayed processing of mammography film does not lead to a decrease in the visibility of phantom test objects, despite large decreases in overall image optical density. |
| doi_str_mv | 10.1097/00004424-199312000-00005 |
| format | Article |
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Delayed processing of films is a common occurrence in mobile mammography screening programs. The effects of such delayed processing on radiologistsʼ detection of phantom test objects are investigated.METHODS. Twelve screen-film combinations were exposed using a phantom and developed after delays of 0, 1, 2, 3, 5, and 7 days. Films were scored by three board-certified radiologists specializing in mammography, based on visibility of calcifications, masses, fibrils, and line pairs.RESULTS. Variance analyses of mean scores indicate that, across screen-film combinations, there are no statistically significant decreases in object detection associated with delayed processing. The analyses do indicate, however, a statistically significant difference in scores unrelated to delay, attributable to the screen-film combination used.CONCLUSIONS. Delayed processing of mammography film does not lead to a decrease in the visibility of phantom test objects, despite large decreases in overall image optical density.</description><identifier>ISSN: 0020-9996</identifier><identifier>EISSN: 1536-0210</identifier><identifier>DOI: 10.1097/00004424-199312000-00005</identifier><identifier>PMID: 8307714</identifier><language>eng</language><publisher>United States: Lippincott-Raven Publishers</publisher><subject>Analysis of Variance ; Breast Neoplasms - diagnostic imaging ; Breast Neoplasms - epidemiology ; Evaluation Studies as Topic ; Female ; Humans ; Mammography - instrumentation ; Mammography - methods ; Mammography - statistics & numerical data ; Mobile Health Units - statistics & numerical data ; Models, Structural ; Observer Variation ; Random Allocation ; Time Factors ; X-Ray Intensifying Screens - statistics & numerical data</subject><ispartof>Investigative radiology, 1993-12, Vol.28 (12), p.1113-1118</ispartof><rights>Lippincott-Raven Publishers.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8307714$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>GERHARDT, DIETRICH A</creatorcontrib><creatorcontrib>PISANO, ETTA D</creatorcontrib><creatorcontrib>JOHNSON, CHRISTOPHER</creatorcontrib><creatorcontrib>BRAEUNING, PATTY</creatorcontrib><creatorcontrib>DICKE, KAREN</creatorcontrib><creatorcontrib>WASHBURN, DAVID B</creatorcontrib><creatorcontrib>BURNS, CHARLES</creatorcontrib><creatorcontrib>HUANG, KUANGZOO S</creatorcontrib><title>Effects of Delayed Processing on Mammographic Phantom Object Detection</title><title>Investigative radiology</title><addtitle>Invest Radiol</addtitle><description>OBJECTIVES. Delayed processing of films is a common occurrence in mobile mammography screening programs. The effects of such delayed processing on radiologistsʼ detection of phantom test objects are investigated.METHODS. Twelve screen-film combinations were exposed using a phantom and developed after delays of 0, 1, 2, 3, 5, and 7 days. Films were scored by three board-certified radiologists specializing in mammography, based on visibility of calcifications, masses, fibrils, and line pairs.RESULTS. Variance analyses of mean scores indicate that, across screen-film combinations, there are no statistically significant decreases in object detection associated with delayed processing. The analyses do indicate, however, a statistically significant difference in scores unrelated to delay, attributable to the screen-film combination used.CONCLUSIONS. Delayed processing of mammography film does not lead to a decrease in the visibility of phantom test objects, despite large decreases in overall image optical density.</description><subject>Analysis of Variance</subject><subject>Breast Neoplasms - diagnostic imaging</subject><subject>Breast Neoplasms - epidemiology</subject><subject>Evaluation Studies as Topic</subject><subject>Female</subject><subject>Humans</subject><subject>Mammography - instrumentation</subject><subject>Mammography - methods</subject><subject>Mammography - statistics & numerical data</subject><subject>Mobile Health Units - statistics & numerical data</subject><subject>Models, Structural</subject><subject>Observer Variation</subject><subject>Random Allocation</subject><subject>Time Factors</subject><subject>X-Ray Intensifying Screens - statistics & numerical data</subject><issn>0020-9996</issn><issn>1536-0210</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1UU1PwzAMjRBojMFPQMqJWyFfbZojGhsgDW0HOEdpk6wdbTOSVtP-PRkb3PDF8vN7tvUMAMToHiPBH1AMxghLsBAUk1glByg9A2Oc0ixBBKNzMEaIoEQIkV2CqxA2kUE4oiMwyiniHLMxmM-sNWUfoLPwyTRqbzRceVeaEOpuDV0H31TburVX26ou4apSXe9auCw2URUVfUy1667BhVVNMDenPAEf89n79CVZLJ9fp4-LpKTxusQSXtAstQURRLOU80IbnTETr7IZzlObIq0o0ZRgknGc8ajSqBS6QDllJqUTcHecu_XuazChl20dStM0qjNuCJJnBKeM5pGYH4mldyF4Y-XW163ye4mRPFgofy2Ufxb-QIcdt6cdQ9Ea_Sc8eRb77NjfuaY3Pnw2w854WRnV9JX87zP0G52AecA</recordid><startdate>199312</startdate><enddate>199312</enddate><creator>GERHARDT, DIETRICH A</creator><creator>PISANO, ETTA D</creator><creator>JOHNSON, CHRISTOPHER</creator><creator>BRAEUNING, PATTY</creator><creator>DICKE, KAREN</creator><creator>WASHBURN, DAVID B</creator><creator>BURNS, CHARLES</creator><creator>HUANG, KUANGZOO S</creator><general>Lippincott-Raven Publishers</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></search><sort><creationdate>199312</creationdate><title>Effects of Delayed Processing on Mammographic Phantom Object Detection</title><author>GERHARDT, DIETRICH A ; PISANO, ETTA D ; JOHNSON, CHRISTOPHER ; BRAEUNING, PATTY ; DICKE, KAREN ; WASHBURN, DAVID B ; BURNS, CHARLES ; HUANG, KUANGZOO S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3005-f27b365fb292d4577bded64e270f6185f50da32d321267167300d0c9db0834e53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Analysis of Variance</topic><topic>Breast Neoplasms - diagnostic imaging</topic><topic>Breast Neoplasms - epidemiology</topic><topic>Evaluation Studies as Topic</topic><topic>Female</topic><topic>Humans</topic><topic>Mammography - instrumentation</topic><topic>Mammography - methods</topic><topic>Mammography - statistics & numerical data</topic><topic>Mobile Health Units - statistics & numerical data</topic><topic>Models, Structural</topic><topic>Observer Variation</topic><topic>Random Allocation</topic><topic>Time Factors</topic><topic>X-Ray Intensifying Screens - statistics & numerical data</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>GERHARDT, DIETRICH A</creatorcontrib><creatorcontrib>PISANO, ETTA D</creatorcontrib><creatorcontrib>JOHNSON, CHRISTOPHER</creatorcontrib><creatorcontrib>BRAEUNING, PATTY</creatorcontrib><creatorcontrib>DICKE, KAREN</creatorcontrib><creatorcontrib>WASHBURN, DAVID B</creatorcontrib><creatorcontrib>BURNS, CHARLES</creatorcontrib><creatorcontrib>HUANG, KUANGZOO S</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>Investigative radiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>GERHARDT, DIETRICH A</au><au>PISANO, ETTA D</au><au>JOHNSON, CHRISTOPHER</au><au>BRAEUNING, PATTY</au><au>DICKE, KAREN</au><au>WASHBURN, DAVID B</au><au>BURNS, CHARLES</au><au>HUANG, KUANGZOO S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Delayed Processing on Mammographic Phantom Object Detection</atitle><jtitle>Investigative radiology</jtitle><addtitle>Invest Radiol</addtitle><date>1993-12</date><risdate>1993</risdate><volume>28</volume><issue>12</issue><spage>1113</spage><epage>1118</epage><pages>1113-1118</pages><issn>0020-9996</issn><eissn>1536-0210</eissn><abstract>OBJECTIVES. Delayed processing of films is a common occurrence in mobile mammography screening programs. The effects of such delayed processing on radiologistsʼ detection of phantom test objects are investigated.METHODS. Twelve screen-film combinations were exposed using a phantom and developed after delays of 0, 1, 2, 3, 5, and 7 days. Films were scored by three board-certified radiologists specializing in mammography, based on visibility of calcifications, masses, fibrils, and line pairs.RESULTS. Variance analyses of mean scores indicate that, across screen-film combinations, there are no statistically significant decreases in object detection associated with delayed processing. The analyses do indicate, however, a statistically significant difference in scores unrelated to delay, attributable to the screen-film combination used.CONCLUSIONS. Delayed processing of mammography film does not lead to a decrease in the visibility of phantom test objects, despite large decreases in overall image optical density.</abstract><cop>United States</cop><pub>Lippincott-Raven Publishers</pub><pmid>8307714</pmid><doi>10.1097/00004424-199312000-00005</doi><tpages>6</tpages></addata></record> |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Analysis of Variance Breast Neoplasms - diagnostic imaging Breast Neoplasms - epidemiology Evaluation Studies as Topic Female Humans Mammography - instrumentation Mammography - methods Mammography - statistics & numerical data Mobile Health Units - statistics & numerical data Models, Structural Observer Variation Random Allocation Time Factors X-Ray Intensifying Screens - statistics & numerical data |
| title | Effects of Delayed Processing on Mammographic Phantom Object Detection |
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