The Most Useful Findings for Diagnosing Acute Appendicitis on Contrast‐Enhanced Helical Ct
Purpose: To evaluate the most useful findings to look for in diagnosing acute appendicitis on contrast‐enhanced helical CT. Material and Methods: Appendiceal helical CT scans with intravenous contrast administration (abdomen, 7‐mm collimation; abdominopelvic junction, 5‐mm collimation) of 71 patie...
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| Veröffentlicht in: | Acta radiologica (1987) 2003-11, Vol.44 (6), p.574-582 |
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| container_title | Acta radiologica (1987) |
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| creator | Choi, D. Park, H. Lee, Y. R. Kook, S.‐H. Kim, S. K. Kwag, H. J. Chung, E. C. |
| description | Purpose: To evaluate the most useful findings to look for in diagnosing acute appendicitis on contrast‐enhanced helical CT.
Material and Methods: Appendiceal helical CT scans with intravenous contrast administration (abdomen, 7‐mm collimation; abdominopelvic junction, 5‐mm collimation) of 71 patients with surgically proven acute appendicitis and 167 patients with alternative diagnoses were reviewed retrospectively. Three radiologists analyzed the following parameters: enlarged appendix (>6 mm in diameter), appendiceal wall thickening, appendiceal wall enhancement, no identification of the appendix, appendicolith(s), appendiceal intraluminal air, intramural air, extraluminal air, periappendiceal fat stranding, extraluminal fluid, phlegmon, abscess, lymphadenopathy, segmental terminal ileal wall thickening, focal cecal apical thickening, focal colonic wall thickening, and segmental colonic wall thickening. The features that best distinguished appendicitis from alternative diagnoses were selected with stepwise logistic regression analysis.
Results: Nine CT findings distinguished acute appendicitis from alternative diagnoses (P |
| doi_str_mv | 10.1046/j.1600-0455.2003.00146.x |
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| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_71381041</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>71381041</sourcerecordid><originalsourceid>FETCH-LOGICAL-c4216-739218cd5a12559e74b304717a5f7921cd9b115dc91ef0f41789cc0b5314b6e3</originalsourceid><addsrcrecordid>eNqNkd1OwjAYhhujEURvwfREzzb7be1-Ek-WAWKCMTF4ZtJ0XQclY8N1i3DmJXiNXolFiJx61Dbv8_bnKUIYiAuEBndLFwJCHEIZcz1CfJcQoIG7OUH9v-AU9YkXUQciBj10YczSQl7I4Bz1LAyBLfbR22yh8FNtWvxqVNGVeKyrXFdzg4u6wUMt5lVt7BonsmsVTtZrZXOpW21wXeG0rtpGmPb782tULUQlVY4nqtRSlDhtL9FZIUqjrg7jAM3Go1k6cabPD49pMnUk9SBwQj_2IJI5E-AxFquQZj6hIYSCFaGNZB5nACyXMaiCFBTCKJaSZMwHmgXKH6Db_bbrpn7vlGn5ShupylJUqu4MD8GPrDawYLQHZVMb06iCrxu9Es2WA-E7sXzJd_74zh_fieW_YvnGVq8PZ3TZSuXH4sGkBW4OgDD29UVjZWhz5Jj9CxoFlrvfcx-6VNt_X4AnL0M78X8ANFiS8w</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>71381041</pqid></control><display><type>article</type><title>The Most Useful Findings for Diagnosing Acute Appendicitis on Contrast‐Enhanced Helical Ct</title><source>MEDLINE</source><source>Wiley Journals</source><source>Taylor & Francis Journals Complete</source><creator>Choi, D. ; Park, H. ; Lee, Y. R. ; Kook, S.‐H. ; Kim, S. K. ; Kwag, H. J. ; Chung, E. C.</creator><creatorcontrib>Choi, D. ; Park, H. ; Lee, Y. R. ; Kook, S.‐H. ; Kim, S. K. ; Kwag, H. J. ; Chung, E. C.</creatorcontrib><description>Purpose: To evaluate the most useful findings to look for in diagnosing acute appendicitis on contrast‐enhanced helical CT.
Material and Methods: Appendiceal helical CT scans with intravenous contrast administration (abdomen, 7‐mm collimation; abdominopelvic junction, 5‐mm collimation) of 71 patients with surgically proven acute appendicitis and 167 patients with alternative diagnoses were reviewed retrospectively. Three radiologists analyzed the following parameters: enlarged appendix (>6 mm in diameter), appendiceal wall thickening, appendiceal wall enhancement, no identification of the appendix, appendicolith(s), appendiceal intraluminal air, intramural air, extraluminal air, periappendiceal fat stranding, extraluminal fluid, phlegmon, abscess, lymphadenopathy, segmental terminal ileal wall thickening, focal cecal apical thickening, focal colonic wall thickening, and segmental colonic wall thickening. The features that best distinguished appendicitis from alternative diagnoses were selected with stepwise logistic regression analysis.
Results: Nine CT findings distinguished acute appendicitis from alternative diagnoses (P < 0.05): enlarged appendix (R = 0.739), appendiceal wall thickening (R = 0.525), periappendiceal fat stranding (R = 0.414), appendiceal wall enhancement (R = 0.404), focal cecal apical thickening (R = 0.171), appendicolith(s) (R = 0.157), extraluminal air (R = 0.050), intramural air (R = 0.043), and phlegmon (R = 0.030). Enlarged appendix (sensitivity, 93%; specificity, 92%), appendiceal wall thickening (sensitivity, 66%; specificity, 96%), periappendiceal fat stranding (sensitivity, 87%; specificity, 74%), and appendiceal wall enhancement (sensitivity, 75%; specificity, 85%) showed the statistically most significant association with acute appendicitis.
Conclusion: On 5‐mm‐section contrast‐enhanced helical CT examinations, enlarged appendix, appendiceal wall thickening, periappendiceal fat stranding, and appendiceal wall enhancement were the most useful findings for diagnosing acute appendicitis.</description><identifier>ISSN: 0284-1851</identifier><identifier>EISSN: 1600-0455</identifier><identifier>DOI: 10.1046/j.1600-0455.2003.00146.x</identifier><identifier>PMID: 14616200</identifier><identifier>CODEN: ACRAE3</identifier><language>eng</language><publisher>Oxford, UK: Munksgaard International Publishers</publisher><subject>Acute Disease ; Adolescent ; Adult ; Aged ; Aged, 80 and over ; Appendicitis ; Appendicitis - diagnostic imaging ; appendix ; Appendix - diagnostic imaging ; Barium Sulfate ; Biological and medical sciences ; Child ; computed tomography ; computed tomography (CT) ; Contrast Media ; Diagnosis, Differential ; Diatrizoate Meglumine ; Digestive system ; Female ; helical ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Male ; Medical sciences ; Middle Aged ; Radiodiagnosis. Nmr imagery. Nmr spectrometry ; Retrospective Studies ; Sensitivity and Specificity ; Tomography, Spiral Computed ; Tropical medicine</subject><ispartof>Acta radiologica (1987), 2003-11, Vol.44 (6), p.574-582</ispartof><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4216-739218cd5a12559e74b304717a5f7921cd9b115dc91ef0f41789cc0b5314b6e3</citedby><cites>FETCH-LOGICAL-c4216-739218cd5a12559e74b304717a5f7921cd9b115dc91ef0f41789cc0b5314b6e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1046%2Fj.1600-0455.2003.00146.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1046%2Fj.1600-0455.2003.00146.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15284486$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14616200$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Choi, D.</creatorcontrib><creatorcontrib>Park, H.</creatorcontrib><creatorcontrib>Lee, Y. R.</creatorcontrib><creatorcontrib>Kook, S.‐H.</creatorcontrib><creatorcontrib>Kim, S. K.</creatorcontrib><creatorcontrib>Kwag, H. J.</creatorcontrib><creatorcontrib>Chung, E. C.</creatorcontrib><title>The Most Useful Findings for Diagnosing Acute Appendicitis on Contrast‐Enhanced Helical Ct</title><title>Acta radiologica (1987)</title><addtitle>Acta Radiol</addtitle><description>Purpose: To evaluate the most useful findings to look for in diagnosing acute appendicitis on contrast‐enhanced helical CT.
Material and Methods: Appendiceal helical CT scans with intravenous contrast administration (abdomen, 7‐mm collimation; abdominopelvic junction, 5‐mm collimation) of 71 patients with surgically proven acute appendicitis and 167 patients with alternative diagnoses were reviewed retrospectively. Three radiologists analyzed the following parameters: enlarged appendix (>6 mm in diameter), appendiceal wall thickening, appendiceal wall enhancement, no identification of the appendix, appendicolith(s), appendiceal intraluminal air, intramural air, extraluminal air, periappendiceal fat stranding, extraluminal fluid, phlegmon, abscess, lymphadenopathy, segmental terminal ileal wall thickening, focal cecal apical thickening, focal colonic wall thickening, and segmental colonic wall thickening. The features that best distinguished appendicitis from alternative diagnoses were selected with stepwise logistic regression analysis.
Results: Nine CT findings distinguished acute appendicitis from alternative diagnoses (P < 0.05): enlarged appendix (R = 0.739), appendiceal wall thickening (R = 0.525), periappendiceal fat stranding (R = 0.414), appendiceal wall enhancement (R = 0.404), focal cecal apical thickening (R = 0.171), appendicolith(s) (R = 0.157), extraluminal air (R = 0.050), intramural air (R = 0.043), and phlegmon (R = 0.030). Enlarged appendix (sensitivity, 93%; specificity, 92%), appendiceal wall thickening (sensitivity, 66%; specificity, 96%), periappendiceal fat stranding (sensitivity, 87%; specificity, 74%), and appendiceal wall enhancement (sensitivity, 75%; specificity, 85%) showed the statistically most significant association with acute appendicitis.
Conclusion: On 5‐mm‐section contrast‐enhanced helical CT examinations, enlarged appendix, appendiceal wall thickening, periappendiceal fat stranding, and appendiceal wall enhancement were the most useful findings for diagnosing acute appendicitis.</description><subject>Acute Disease</subject><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Appendicitis</subject><subject>Appendicitis - diagnostic imaging</subject><subject>appendix</subject><subject>Appendix - diagnostic imaging</subject><subject>Barium Sulfate</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>computed tomography</subject><subject>computed tomography (CT)</subject><subject>Contrast Media</subject><subject>Diagnosis, Differential</subject><subject>Diatrizoate Meglumine</subject><subject>Digestive system</subject><subject>Female</subject><subject>helical</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Radiodiagnosis. Nmr imagery. Nmr spectrometry</subject><subject>Retrospective Studies</subject><subject>Sensitivity and Specificity</subject><subject>Tomography, Spiral Computed</subject><subject>Tropical medicine</subject><issn>0284-1851</issn><issn>1600-0455</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkd1OwjAYhhujEURvwfREzzb7be1-Ek-WAWKCMTF4ZtJ0XQclY8N1i3DmJXiNXolFiJx61Dbv8_bnKUIYiAuEBndLFwJCHEIZcz1CfJcQoIG7OUH9v-AU9YkXUQciBj10YczSQl7I4Bz1LAyBLfbR22yh8FNtWvxqVNGVeKyrXFdzg4u6wUMt5lVt7BonsmsVTtZrZXOpW21wXeG0rtpGmPb782tULUQlVY4nqtRSlDhtL9FZIUqjrg7jAM3Go1k6cabPD49pMnUk9SBwQj_2IJI5E-AxFquQZj6hIYSCFaGNZB5nACyXMaiCFBTCKJaSZMwHmgXKH6Db_bbrpn7vlGn5ShupylJUqu4MD8GPrDawYLQHZVMb06iCrxu9Es2WA-E7sXzJd_74zh_fieW_YvnGVq8PZ3TZSuXH4sGkBW4OgDD29UVjZWhz5Jj9CxoFlrvfcx-6VNt_X4AnL0M78X8ANFiS8w</recordid><startdate>200311</startdate><enddate>200311</enddate><creator>Choi, D.</creator><creator>Park, H.</creator><creator>Lee, Y. R.</creator><creator>Kook, S.‐H.</creator><creator>Kim, S. K.</creator><creator>Kwag, H. J.</creator><creator>Chung, E. C.</creator><general>Munksgaard International Publishers</general><general>Taylor & Francis</general><scope>IQODW</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>7X8</scope></search><sort><creationdate>200311</creationdate><title>The Most Useful Findings for Diagnosing Acute Appendicitis on Contrast‐Enhanced Helical Ct</title><author>Choi, D. ; Park, H. ; Lee, Y. R. ; Kook, S.‐H. ; Kim, S. K. ; Kwag, H. J. ; Chung, E. C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4216-739218cd5a12559e74b304717a5f7921cd9b115dc91ef0f41789cc0b5314b6e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Acute Disease</topic><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Appendicitis</topic><topic>Appendicitis - diagnostic imaging</topic><topic>appendix</topic><topic>Appendix - diagnostic imaging</topic><topic>Barium Sulfate</topic><topic>Biological and medical sciences</topic><topic>Child</topic><topic>computed tomography</topic><topic>computed tomography (CT)</topic><topic>Contrast Media</topic><topic>Diagnosis, Differential</topic><topic>Diatrizoate Meglumine</topic><topic>Digestive system</topic><topic>Female</topic><topic>helical</topic><topic>Humans</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Radiodiagnosis. Nmr imagery. Nmr spectrometry</topic><topic>Retrospective Studies</topic><topic>Sensitivity and Specificity</topic><topic>Tomography, Spiral Computed</topic><topic>Tropical medicine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Choi, D.</creatorcontrib><creatorcontrib>Park, H.</creatorcontrib><creatorcontrib>Lee, Y. R.</creatorcontrib><creatorcontrib>Kook, S.‐H.</creatorcontrib><creatorcontrib>Kim, S. K.</creatorcontrib><creatorcontrib>Kwag, H. J.</creatorcontrib><creatorcontrib>Chung, E. C.</creatorcontrib><collection>Pascal-Francis</collection><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>Acta radiologica (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Choi, D.</au><au>Park, H.</au><au>Lee, Y. R.</au><au>Kook, S.‐H.</au><au>Kim, S. K.</au><au>Kwag, H. J.</au><au>Chung, E. C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Most Useful Findings for Diagnosing Acute Appendicitis on Contrast‐Enhanced Helical Ct</atitle><jtitle>Acta radiologica (1987)</jtitle><addtitle>Acta Radiol</addtitle><date>2003-11</date><risdate>2003</risdate><volume>44</volume><issue>6</issue><spage>574</spage><epage>582</epage><pages>574-582</pages><issn>0284-1851</issn><eissn>1600-0455</eissn><coden>ACRAE3</coden><abstract>Purpose: To evaluate the most useful findings to look for in diagnosing acute appendicitis on contrast‐enhanced helical CT.
Material and Methods: Appendiceal helical CT scans with intravenous contrast administration (abdomen, 7‐mm collimation; abdominopelvic junction, 5‐mm collimation) of 71 patients with surgically proven acute appendicitis and 167 patients with alternative diagnoses were reviewed retrospectively. Three radiologists analyzed the following parameters: enlarged appendix (>6 mm in diameter), appendiceal wall thickening, appendiceal wall enhancement, no identification of the appendix, appendicolith(s), appendiceal intraluminal air, intramural air, extraluminal air, periappendiceal fat stranding, extraluminal fluid, phlegmon, abscess, lymphadenopathy, segmental terminal ileal wall thickening, focal cecal apical thickening, focal colonic wall thickening, and segmental colonic wall thickening. The features that best distinguished appendicitis from alternative diagnoses were selected with stepwise logistic regression analysis.
Results: Nine CT findings distinguished acute appendicitis from alternative diagnoses (P < 0.05): enlarged appendix (R = 0.739), appendiceal wall thickening (R = 0.525), periappendiceal fat stranding (R = 0.414), appendiceal wall enhancement (R = 0.404), focal cecal apical thickening (R = 0.171), appendicolith(s) (R = 0.157), extraluminal air (R = 0.050), intramural air (R = 0.043), and phlegmon (R = 0.030). Enlarged appendix (sensitivity, 93%; specificity, 92%), appendiceal wall thickening (sensitivity, 66%; specificity, 96%), periappendiceal fat stranding (sensitivity, 87%; specificity, 74%), and appendiceal wall enhancement (sensitivity, 75%; specificity, 85%) showed the statistically most significant association with acute appendicitis.
Conclusion: On 5‐mm‐section contrast‐enhanced helical CT examinations, enlarged appendix, appendiceal wall thickening, periappendiceal fat stranding, and appendiceal wall enhancement were the most useful findings for diagnosing acute appendicitis.</abstract><cop>Oxford, UK</cop><pub>Munksgaard International Publishers</pub><pmid>14616200</pmid><doi>10.1046/j.1600-0455.2003.00146.x</doi><tpages>9</tpages></addata></record> |
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| subjects | Acute Disease Adolescent Adult Aged Aged, 80 and over Appendicitis Appendicitis - diagnostic imaging appendix Appendix - diagnostic imaging Barium Sulfate Biological and medical sciences Child computed tomography computed tomography (CT) Contrast Media Diagnosis, Differential Diatrizoate Meglumine Digestive system Female helical Humans Investigative techniques, diagnostic techniques (general aspects) Male Medical sciences Middle Aged Radiodiagnosis. Nmr imagery. Nmr spectrometry Retrospective Studies Sensitivity and Specificity Tomography, Spiral Computed Tropical medicine |
| title | The Most Useful Findings for Diagnosing Acute Appendicitis on Contrast‐Enhanced Helical Ct |
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