LI-RADS 3 - intermediate probability. LR-3 observations vary from benign lesions to dysplastic nodules to HCC. Many LR-3s are vascular pseudolesions. Of all LR-3 lesions approximately 37% are HCC and 39% are malignant . Lesions that are placed in category LI-RADS 3 are: Nodules with features of focal nodular hyperplasia or hepatic adenoma.

LI-RADS is a common language developed by experts in liver imaging and liver disease to report findings on your scan. It helps eliminate mistakes and improve communication between members of your care team.

2024年7月26日 · Liver Imaging Reporting and Data System (LI-RADS) is a standardized terminology and classification system for imaging findings in liver lesions. A liver lesion's LI-RADS score indicates its relative risk for hepatocellular carcinoma (HCC).

2023年3月19日 · 2016年6月24日美国放射学员发布超声造影LI-RADS（ACR CEUS LI-RADS）指南,将肝脏结节的超声造影特征将其分为5类，即CEUS LR 1类——CEUS LR 5类，另外还有LR-5V及CEUS LR-M类，其各自代表的意义及诊断标准在下文中一一详述： CEUS LR-1 类，明确良性. 1、概念：100%确定病灶为良性。 2、定义：肝内病灶具有明确良性的影像学特征或随访过程中明确发现病灶消失。 如：①单纯囊肿；②典型血管瘤；③明确的局灶性肝脏脂肪浸润；④ …

Patients with indeterminate liver nodules, classified as LR-3 and 4 observations per Liver Imaging Reporting and Data System (LI-RADS), are at risk of developing hepatocellular carcinoma (HCC), but risk estimates remain imprecise. We conducted a ...

在ct/mri li-rads 分类 中，根据主要hcc特征的组合可以 明确 hcc的诊断（lr-5）。 与LR-5相比，主要HCC特征的数量或组合不足的 病变 可被归类为LR-4或LR-3。 LR-4类别表示HCC的概率很高，但没有100%的把握。

2014年6月20日 · Benign entities usually are categorized LI-RADS 1 (definitely benign) or LI-RADS 2 (probably benign), depending on the radiologist's level of certainty, but some benign entities with atypical or nonspecific features may be categorized LI-RADS 3 (intermediate probability of HCC) or higher.

2018年4月24日 · The Liver Imaging Reporting and Data System (LI-RADS) standardizes the interpretation and reporting of imaging examinations in patients at risk for hepatocellular carcinoma (HCC). For focal liver observations it assigns categories (LR-1 to 5, LR-M, LR-TIV), which reflect the relative probability of benignity or malignancy of the respective ...

The application has been adapted to categorize only observations that demonstrate arterial-phase enhancement (LR3 and above). Two versions of the application are available. The Quick App enables rapid categorization of an arterial-phase enhancing observation, without considering ancillary features or tie-breaking rules.

2016年9月1日 · This study aimed to analyze interreader agreement and diagnostic accuracy of Liver Imaging Reporting and Data System (LI-RADS) in comparison to a nonstandardized 5-point scale and to assess reader acceptance of LI-RADS for clinical routine.