Articles
Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and continuously improved upon by countless contributing members. Our dedicated editors oversee each edit for accuracy and style. Find out more about articles.
31 results found
Article
CEUS LI-RADS
The Contrast-enhanced Ultrasound Liver Imaging Reporting and Data System (CEUS LI-RADS) is a standardized classification system, algorithm, and terminology for diagnosing hepatocellular carcinoma (HCC) in high-risk patients using CEUS with blood-pool intravenous contrast agents.
The current ver...
Article
LI-RADS US Surveillance
Liver Imaging Reporting and Data System Ultrasound Surveillance (LI-RADS US Surveillance) is a standardized system with recommendations for imaging technique, interpretation and reporting for surveillance of hepatocellular carcinoma (HCC) using unenhanced ultrasound in patients at high risk for ...
Article
CT/MRI LI-RADS
CT/MRI Liver Imaging Reporting and Data System (LI-RADS) is an algorithm for diagnosing and staging hepatocellular carcinoma (HCC) (CT/MRI Diagnostic LI-RADS) or assessing the response of HCC to locoregional treatment (CT/MRI Treatment Response LI-RADS) using CT or MRI with extracellular contras...
Article
Diffuse hepatic steatosis (grading)
Grading of diffuse hepatic steatosis on ultrasound has been used to communicate to the clinician about the extent of fatty changes in the liver.
Grading using ultrasound B-mode
grade I: diffusely increased hepatic echogenicity but periportal and diaphragmatic echogenicity is still appreciable...
Article
LI-RADS (overview)
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).
Usage
The classification system is meant to be used in...
Article
SRU management guidelines for gallbladder polyps
The Society of Radiologists in Ultrasound (SRU) consensus recommendation for the management of incidentally detected gallbladder polyps was published in 2021 1.
Usage
The SRU consensus recommendation is one of many guidelines for the management of incidentally detected gallbladder polyps. The ...
Article
Morgan and Superina classification of congenital extrahepatic portosystemic shunts
The Morgan and Superina classification of congenital extrahepatic portosystemic shunts is based on the absence (type 1) or presence (type 2) of intrahepatic portal blood supply 2.
Usage
This classification system is widely used (c. 2020) 2, although there is evidence that all congenital extrah...
Article
AAST liver injury scale
The AAST (American Association for the Surgery of Trauma) liver injury scale, revised in 2018, is the most widely used liver injury grading system 3.
The 2018 update incorporates "vascular injury" (i.e. pseudoaneurysm, arteriovenous fistula) into the imaging criteria for visceral injury 3.
Cla...
Article
MELD score
The MELD score (Model for End-stage Liver Disease) is a classification used to grade chronic liver disease in preparation for liver transplantation in adults. The score has prognostic value in terms of three-month mortality.
The components of the MELD score are:
serum creatinine (mg/dL)
if di...
Article
Pancreatic trauma injury grading
A number of pancreatic injury grading systems have been proposed for pancreatic trauma.
Classifications
American Association for the Surgery of Trauma (AAST) 5,7
The proximal pancreas is defined as the gland to the right of the superior mesenteric vein (SMV)-portal vein axis whereas the dista...
Article
Bismuth-Corlette classification
The Bismuth-Corlette classification is a classification system for perihilar cholangiocarcinomas, which is based on the extent of ductal infiltration 1,2.
Classification
type I
limited to the common hepatic duct, below the level of the confluence of the right and left hepatic ducts
type II...
Article
Todani classification of bile duct cysts
The Todani classification of bile duct cysts classically divides choledochal cysts into five groups.
Classification
Traditional classification
Type I
See: choledochal cyst - type I
account for 80-90% of all bile duct cysts
characterized by fusiform dilation of the extrahepatic bile duct
a...
Article
Milan criteria in liver transplantation
The Milan criteria are used to assess suitability in patients for liver transplantation with cirrhosis and hepatocellular carcinoma (HCC) with comparable outcomes when compared to patients with liver cirrhosis but without HCC 3.
Usage
The Milan criteria are widely accepted and used, however, t...
Article
AAST injury scoring scales
The American Association for the Surgery of Trauma (AAST) injury scoring scales are the most widely accepted and used system of classifying and categorizing traumatic injuries. Injury grade reflects severity, guides management, and aids in prognosis. 32 different injury scores are available (c. ...
Article
Modified Choi classification of common bile duct duplication
Modified Choi classification of common bile duct duplication is a widely used system for classifying the rare duplication of the extrahepatic biliary tree. 1-3:
type I: distal septum splitting the bile duct lumen
type II: bifurcation of the distal bile duct with each lumen draining independent...
Article
Child-Pugh score
The Child-Pugh score is a scoring system to measure the severity of chronic liver disease inclusive of cirrhosis. The intention is to provide a system with which clinicians can objectively communicate about liver function.
The score is composed from several categories:
total bilirubin, μmol...
Article
2001 WHO classification of hepatic hydatid cysts
The 2001 World Health Organizatiοn (WHO) classification of hepatic hydatid cysts is used to assess the stage of hepatic hydatid cysts on ultrasound and is useful in deciding the appropriate management depending on the stage of the cyst. This classification was proposed by the WHO in 2001 and, at...
Article
Revised Atlanta classification of acute pancreatitis
The Revised Atlanta classification of acute pancreatitis from 2012 is an international multidisciplinary classification of the severity of acute pancreatitis, updating the 1992 Atlanta classification.
The worldwide consensus aims for an internationally agreed-upon classification of acute pancre...
Article
Bile duct duplication
Bile duct duplication, also known as common bile duct duplication, (although in some cases this latter terminology would be erroneous), is a rare congenital anomaly of the biliary system. A double bile duct is considered normal during early human development, but by birth, we expect to see the c...
Article
Strasberg classification of bile duct injury
The Strasberg classification of bile duct injury is a widely used system to anatomically define these injuries by location 1.
Classification
type A: injury to the cystic duct or from minor hepatic ducts draining the liver bed
type B: occlusion of the biliary tree, commonly aberrant ...
Unable to process the form. Check for errors and try again.