{"id":2300,"date":"2017-11-28T19:14:21","date_gmt":"2017-11-28T19:14:21","guid":{"rendered":"https:\/\/medicalcriteria.com\/web\/radli-rads\/"},"modified":"2026-03-02T19:21:24","modified_gmt":"2026-03-02T19:21:24","slug":"radli-rads","status":"publish","type":"post","link":"https:\/\/medicalcriteria.com\/web\/radli-rads\/","title":{"rendered":"Liver Imaging Reporting and Data System (LI-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>The Liver Imaging Reporting and Data System (LI-RADS) standardizes the interpretation, reporting, and data collection for imaging examinations in patients at risk for hepatocellular carcinoma (HCC). It assigns category codes reflecting relative probability of HCC to imaging-detected liver observations based on major and ancillary imaging features. LI-RADS also includes imaging features suggesting malignancy other than HCC.<br \/>\n<!--more--><\/p>\n<p><b>Lesion Categories in LI-RADS\u00a0(2017<\/b>)<\/p>\n<ul>\n<li>LR-NC (Not Categorizable): Lesion cannot be categorized owing to image degradation\u00a0or omission<\/li>\n<li>LR-1: Definitely benign<\/li>\n<li>LR-2: Probably benign<\/li>\n<li>LR-3: Intermediate probability of HCC<\/li>\n<li>LR-4: Probably HCC<\/li>\n<li>LR-5: Definitely HCC<\/li>\n<li>LR-TIV (tumor in vein): Unequivocal enhancing soft-tissue TIV, regardless of the\u00a0visualization of a parenchymal mass<\/li>\n<li>LR-M:\u00a0Targetoid mass or nontargetoid mass with one or more of\u00a0the following: infiltrative appearance, marked diffusion\u00a0restriction, necrosis or severe ischemia, other feature\u00a0that in radiologist\u2019s judgement suggests a non-HCC\u00a0malignancy<\/li>\n<li>LR-TR:\u00a0Treatment response algorithm with the following categories:\u00a0LR-TR nonevaluable, LR-TR nonviable, LR-TR\u00a0equivocal, LR-TR viable<\/li>\n<\/ul>\n<p><strong>Contrast-enhanced ultrasound (CEUS) diagnostic table<\/strong><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"border: 1pt solid windowtext; padding: 0cm 5.4pt; width: 31.5068%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0Arterial phase hyperenhancement. (APHE)<\/span><\/p>\n<\/td>\n<td style=\"border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; border-left: none; padding: 0cm 5.4pt; width: 34.5892%;\" colspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\" style=\"text-align: center;\"><span lang=\"ES-AR\">\u00a0No APHE<\/span><\/p>\n<\/td>\n<td style=\"border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; border-left: none; padding: 0cm 5.4pt; width: 33.904%;\" colspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\" style=\"text-align: center;\"><span lang=\"ES-AR\">APHE<br \/>\n<\/span><span lang=\"ES-AR\">(not rim**, not peripheral discontinuous globular***)<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt; width: 31.5068%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0Nodule size (mm)<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; width: 17.9795%;\" valign=\"top\">\n<p class=\"MsoNormal\" style=\"text-align: center;\"><span lang=\"ES-AR\">\u00a0&lt;20<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; width: 16.6097%;\" valign=\"top\">\n<p class=\"MsoNormal\" style=\"text-align: center;\"><span lang=\"ES-AR\">\u00a0&gt;\/= 20<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; width: 16.7808%;\" valign=\"top\">\n<p class=\"MsoNormal\" style=\"text-align: center;\"><span lang=\"ES-AR\">&lt;10\u00a0<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; padding: 0cm 5.4pt; width: 17.1232%;\" valign=\"top\">\n<p class=\"MsoNormal\" style=\"text-align: center;\"><span lang=\"ES-AR\">\u00a0&gt;\/= 10<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt; width: 31.5068%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0No washout of any type<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: yellow; padding: 0cm 5.4pt; width: 17.9795%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-3<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: yellow; padding: 0cm 5.4pt; width: 16.6097%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-3<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: yellow; padding: 0cm 5.4pt; width: 16.7808%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-3<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: #ff6600; padding: 0cm 5.4pt; width: 17.1232%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-4<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; border-top: none; padding: 0cm 5.4pt; width: 31.5068%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0Late and mild washout<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: yellow; padding: 0cm 5.4pt; width: 17.9795%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-3<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: #ff6600; padding: 0cm 5.4pt; width: 16.6097%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-4<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: #ff6600; padding: 0cm 5.4pt; width: 16.7808%;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">CEUS LR-4<\/span><\/p>\n<\/td>\n<td style=\"border-top: none; border-left: none; border-bottom: 1pt solid windowtext; border-right: 1pt solid windowtext; background: red; padding: 0cm 5.4pt; width: 17.1232%;\" valign=\"top\">\n<p class=\"MsoNormal\">CEUS LR-5<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">*CEUS LR-M criteria: any of following:<\/span><\/p>\n<ul>\n<li>rim APHE OR.<\/li>\n<li>early (&lt; 60 s) washout OR.<\/li>\n<li>marked washout<\/li>\n<\/ul>\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">** rim APHE indicates CEUS LR-M <\/span><\/p>\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">*** peripheral discontinuous globular indicates hemangioma (CEUS LR-1)<\/span><\/p>\n<p>&nbsp;<\/p>\n<p class=\"MsoNormal\"><b>CT\/MRI diagnostic table<\/b><\/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;\" colspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0Arterial phase hyperenhancement (APHE)<\/span><\/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;\" colspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0No APHE<\/span><\/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;\" colspan=\"3\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0APHE (not rim)<\/span><\/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\"><span lang=\"ES-AR\">\u00a0Observation size (mm)<\/span><\/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\"><span lang=\"ES-AR\">\u00a0&lt;20<\/span><\/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\"><span lang=\"ES-AR\">\u00a0&gt;\/=20<\/span><\/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\"><span lang=\"ES-AR\">\u00a0&lt;10<\/span><\/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\"><span lang=\"ES-AR\">\u00a010-19<\/span><\/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\"><span lang=\"ES-AR\">\u00a0&gt;\/=20<\/span><\/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;\" rowspan=\"4\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0Count major features:<\/span><\/p>\n<ul>\n<li>\u201cWashout\u201d (not peripheral)<\/li>\n<li>Enhancing \u201ccapsule\u201d<\/li>\n<li>Threshold growth<\/li>\n<\/ul>\n<p>&nbsp;<\/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\"><span lang=\"ES-AR\">\u00a0None<\/span><\/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; background: yellow; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-3<\/span><\/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; background: yellow; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-3<\/span><\/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; background: yellow; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-3<\/span><\/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; background: yellow; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-3<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 3; height: 7.15pt;\">\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; height: 7.15pt;\" rowspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0One<\/span><\/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; background: yellow; padding: 0cm 5.4pt 0cm 5.4pt; height: 7.15pt;\" rowspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-3<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt; height: 7.15pt;\" rowspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt; height: 7.15pt;\" rowspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt; height: 7.15pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4*<\/span><\/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; background: red; padding: 0cm 5.4pt 0cm 5.4pt; height: 7.15pt;\" rowspan=\"2\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr style=\"mso-yfti-irow: 4; height: 7.1pt;\">\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; background: red; padding: 0cm 5.4pt 0cm 5.4pt; height: 7.1pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-5*<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\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\"><span lang=\"ES-AR\">\u00a0&gt;\/= Two<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4<\/span><\/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; background: #FF6600; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-4<\/span><\/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; background: red; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-5<\/span><\/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; background: red; padding: 0cm 5.4pt 0cm 5.4pt;\" valign=\"top\">\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">\u00a0LR-5<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"MsoNormal\"><span lang=\"ES-AR\">*Observations in this cell are categorized LR-4 except as follows:<\/span><\/p>\n<ul>\n<li>LR-5g, if there is &gt;\/= 50% diameter increase in &lt; 6 months. These observations are equivalent to Organ Procurement and Transplantation Network (OPTN)\u00a0 5A-g.<\/li>\n<li>LR-5us, if there is both \u201cwashout\u201d and visibility as discrete nodules at antecedent surveillance ultrasound, per American Association for the Study of Liver Diseases (AASLD) HCC criteria.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><b>References:<\/b><\/p>\n<ol>\n<li>Tang A, Bashir MR, Corwin MT, Cruite I, Dietrich CF, Do RKG, Ehman EC, Fowler KJ, Hussain HK, Jha RC, Karam AR, Mamidipalli A, Marks RM, Mitchell DG, Morgan TA, Ohliger MA, Shah A, Vu KN, Sirlin CB; LI-RADS Evidence Working Group.\u00a0Evidence Supporting LI-RADS Major Features for CT- and MR Imaging-based Diagnosis of Hepatocellular Carcinoma: A Systematic Review. Radiology. 2017 Nov 21:170554.\u00a0\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29166245\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<li>Elsayes KM, Hooker JC, Agrons MM, Kielar AZ, Tang A, Fowler KJ, Chernyak V, Bashir MR, Kono Y, Do RK, Mitchell DG, Kamaya A, Hecht EM, Sirlin CB.\u00a02017 Version of LI-RADS for CT and MR Imaging: An Update. Radiographics. 2017 Nov-Dec;37(7):1994-2017.\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29131761\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<li>Kim TK, Noh SY, Wilson SR, Kono Y, Piscaglia F, Jang HJ, Lyshchik A, Dietrich CF, Willmann JK, Vezeridis A, Sirlin CB. Contrast-enhanced ultrasound (CEUS) liver imaging reporting and data system (LI-RADS) 2017 &#8211; a review of important differences compared to the CT\/MRI system. Clin Mol Hepatol. 2017 Sep 15\u00a0<a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/28911220\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<li>Haghshomar M, Kierans AS, Kulik L, Miller FH, Borhani AA. Imaging-based diagnosis of hepatocellular carcinoma: Liver Imaging Reporting and Data System and beyond. Br J Radiol. 2025 Sep 1;98(1173):1344-1355. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/40609019\/\" target=\"_blank\" rel=\"noopener\">[Medline]<\/a><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>Created Nov 28, 2017.<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":[508],"tags":[533,532,322,531,506,530,529,528,527,500,526,525,524,523,522,521,495,507],"class_list":["post-2300","post","type-post","status-publish","format-standard","hentry","category-radiology","tag-benign","tag-benigno","tag-cancer","tag-carcinoma","tag-data","tag-hcc","tag-hepatico","tag-hepatocarcinoma","tag-hepatocellular","tag-imaging","tag-li","tag-li-rads","tag-liver","tag-malign","tag-maligno","tag-rads-higado","tag-reporting","tag-system"],"modified_by":"Guillermo Firman","_links":{"self":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/2300","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=2300"}],"version-history":[{"count":4,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/2300\/revisions"}],"predecessor-version":[{"id":10683,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/posts\/2300\/revisions\/10683"}],"wp:attachment":[{"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/media?parent=2300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/categories?post=2300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medicalcriteria.com\/web\/wp-json\/wp\/v2\/tags?post=2300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}