{"id":5596,"date":"2018-01-24T21:04:32","date_gmt":"2018-01-24T21:04:32","guid":{"rendered":"https:\/\/medicalcriteria.com\/web\/c-rads\/"},"modified":"2026-03-02T19:25:54","modified_gmt":"2026-03-02T19:25:54","slug":"c-rads","status":"publish","type":"post","link":"https:\/\/medicalcriteria.com\/web\/c-rads\/","title":{"rendered":"CT Colonography Reporting and Data System (C-RADS)"},"content":{"rendered":"<div class=\"99c380e4b4a7b96c35d7ddf7dcb434e8\" data-index=\"1\" style=\"float: none; margin:0px 0 0px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<!-- MC 2019- Horizontal -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-0127150553352455\"\r\n     data-ad-slot=\"3806776041\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>In 2005, the CT Colonography Reporting and Data System (C-RADS) was established to provide a means of classifying findings of CT colonography (CTC) and of applying the advantages of structured reporting to the setting of colorectal cancer screening.<br \/>\n<!--more--><\/p>\n<p><strong>CT Colonography Reporting and Data System (C-RADS)<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Score<\/b><\/p>\n<\/td>\n<td style=\"border: solid windowtext 1.0pt; border-left: none; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Description<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" colspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Colorectal <\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">C0, inadequate study<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Inadequate preparation; inadequate insufflation<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">C1, normal colon or benign lesion<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">No polyp &gt;\/= 6 mm; recommend routine screening with CT colonography or colonoscopy in 5 years<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">C2, intermediate polyp or indeterminate finding<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Polyps 6\u20139 mm, &lt; 3 in number; recommend CT colonography polyp surveillance or colonoscopy with polypectomy<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">C3, polyp, possibly advanced adenoma<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Polyps &gt;\/= 10 mm; &gt;\/= 3 polyps, each 6\u20139 mm; recommend colonoscopy with polypectomy<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">C4, colorectal mass, likely malignant<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Lesion compromises bowel lumen, shows extracolonic invasion; recommend surgical consultation<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" colspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><b>Extracolonic<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">E0, limited examination<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Compromised by artifact; evaluation of extracolonic tissues severely limited<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">E1, normal examination or anatomic variant<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">No extracolonic abnormalities visible; no workup indicated<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">E2, clinically unimportant finding<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Examples: simple liver or kidney cyst, cholelithiasis without cholecystitis; no workup indicated<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">E3, likely unimportant, incompletely characterized<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Example: minimally complex or homogeneously hyperattenuating kidney cyst; workup may be indicated; dependent on specific clinical scenario<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border: solid windowtext 1.0pt; border-top: none; mso-border-top-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">E4, potentially important finding<\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: solid windowtext 1.0pt; border-right: solid windowtext 1.0pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\">Examples: solid kidney mass, aortic aneurysm; workup generally indicated, but dependent on specific clinical scenario; communicate to referring physician as per accepted practice guidelines<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0<\/span><\/p>\n<p><b>References:<\/b><\/p>\n<ol>\n<li>Yee J, Chang KJ, Dachman AH, Kim DH, McFarland EG, Pickhardt PJ, Cash BD, Bruining DH, Zalis ME.\u00a0The Added Value of the CT Colonography Reporting and Data System. J Am Coll Radiol. 2016 Aug;13(8):931-5.\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27260486\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<li>Pooler BD, Kim DH, Lam VP, Burnside ES, Pickhardt PJ. CT Colonography Reporting and Data System (C-RADS): benchmark values from a clinical screening program.\u00a0AJR Am J Roentgenol. 2014 Jun;202(6):1232-7.\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/24848819\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<li>Zalis ME, Barish MA, Choi JR, Dachman AH, Fenlon HM, Ferrucci JT, Glick SN, Laghi A, Macari M, McFarland EG, Morrin MM, Pickhardt PJ, Soto J, Yee J; Working Group on Virtual Colonoscopy.\u00a0CT colonography reporting and data system: a consensus proposal.\u00a0Radiology. 2005 Jul;236(1):3-9.\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/15987959\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<li>Yee J, Dachman A, Kim DH, Kobi M, Laghi A, McFarland E, Moreno C, Park SH, Pickhardt PJ, Plumb A, Pooler BD, Zalis M, Chang KJ. CT Colonography Reporting and Data System (C-RADS): Version 2023 Update. Radiology. 2024 Jan;310(1):e232007. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38289209\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Created Jan 24, 2018.<br \/>\nUp-date Mar 2, 2026.<\/p>\n\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Sorry, this entry is only available in Espa\u00f1ol.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[53],"tags":[2005,2004,1866,1867,874,506,1973,497,496,495,494,507,867,866,2006],"class_list":["post-5596","post","type-post","status-publish","format-standard","hentry","category-gastroenterology","tag-c-rads","tag-colonography","tag-colonoscopia","tag-colonoscopy","tag-ct","tag-data","tag-datos","tag-rads","tag-reporte","tag-reporting","tag-sistema","tag-system","tag-tc","tag-tomografia","tag-virtual"],"modified_by":"Guillermo Firman","_links":{"self":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/5596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/comments?post=5596"}],"version-history":[{"count":5,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/5596\/revisions"}],"predecessor-version":[{"id":10684,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/5596\/revisions\/10684"}],"wp:attachment":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/media?parent=5596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/categories?post=5596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/tags?post=5596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}