Items tagged “classification”
33 results found
Osteoarthritis of the hip (grading)
Osteoarthritis of the hip can be graded according to severity on imaging. Conventional radiograph grading grade 0: normal grade 1: possible joint space narrowing and subtle osteophytes grade 2: definite joint space narrowing, defined osteophytes and some sclerosis, especially in the acetabul...
Brasfield scoring system
The Brasfield scoring system is a scoring system for patients with cystic fibrosis. The score is based on conventional chest radiographic findings and has been reported to have good correlation with pulmonary function. There can be intra- and interobserver variability between radiologists. Ther...
BI-RADS 2 is a benign category in the breast imaging reporting and data system. A finding placed in this category should have essentially a 100% chance of being benign. Examples of such lesions include: calcified fibroadenomas multiple secretory calcifications fat-containing lesions such as...
Congenital renal anomalies
Congenital renal anomalies comprise of vast spectrum of pathologies and include: renal agenesis renal dysgenesis congenital renal hypoplasia congenital megacalyectasis congenital cystic renal disease infantile polycystic renal disease: autosomal recessive polycystic kidney disease (ARPKD):...
Three column concept of spinal fractures
The three column concept of thoracolumbar spinal fractures was initially devised by Francis Denis. CT is mandatory for an accurate classification. While initially developed for classification of thoracolumbar spinal fractures, it can also be applied to the lower cervical spine 3 as the general...
McAfee classification of thoracolumbar spinal fractures
McAfee classification of acute traumatic spinal injuries is based on the three column concept of the spine. CT is needed for accurate assessment. Classification wedge compression: isolated anterior column compression stable burst: anterior and middle column compression but posterior column i...
Hamburg classification of congenital vascular malformations (table)
Diagnosis not applicable
Published 17 Apr 2012
Thyroid image reporting and data system (TI-RADS)
TI-RADS is a risk stratification system for classifying thyroid lesions, originating from a study from 2009 3, and described in an American College of Radiology (ACR) white paper in 2015 1. Its use was originally advocated in a similar vein to the use of BI-RADS for breast lesions. In 2017, a ...
Borden classification of dural arteriovenous fistulas
The Borden classification of dural arteriovenous fistulas (DAVF) groups these lesions into three types based upon the site of venous drainage and the presence or absence of cortical venous drainage. It was first proposed in 1995 1. At the time of writing (July 2016), it is probably less popular ...
Lytic bone lesions - revised Lodwick classification
Published 08 Jul 2013
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...
Thoracolumbar injury classification and severity score (TLICS)
The thoracolumbar injury classification and severity score (TLICS), also sometimes known as the thoracolumbar injury severity score (TISS), was developed by the Spine Trauma Group in 2005 to overcome some of the perceived difficulties regarding the use of other thoracolumbar spinal fracture clas...
Liver Imaging Reporting and Data System (LI-RADS) is both a set of standardized terminology and a classification system for imaging findings in liver lesions. The LI-RADS score for a liver lesion is an indication of its relative risk for hepatocellular carcinoma (HCC). The classification system...
LR2 cirrhosis-associated nodule
LR2 cirrhosis-associated nodules are defined as "probably benign" according to the LI-RADS classification system. They are a common finding in a cirrhotic liver and do not need to be mentioned in the report. Radiographic features The nodule must demonstrate all of the following: diameter <20...
Lung-RADSTM (or lung imaging reporting and data system) is a classification proposed to aid with findings in low-dose CT screening exams for lung cancer. The goal of the classification system is to standardize follow-up and management decisions. The system is similar to the Fleischner criteria b...
LI-RADS 5B lesion
Published 19 Dec 2014
The MELD score (Model for End-stage Liver Disease) is a classification used to grade liver dysfunction in preparation for liver transplantation. It is an estimate of 3 month mortality. The components of the score are: serum creatinine (mg/dl) if dialysis twice in last week, then bilirubin is ...
The Lodwick classification is a system for describing the margins of a lucent/lytic bone lesion. The terms used in the description suggest the level of concern for an aggressive, and possibly malignant, process. Classification type 1: geographic 1A: thin, sclerotic margin 1B: distinct, well-...
LI-RADS 3 lesion
Published 28 Jan 2015
Hepatobiliary contrast agents and LI-RADS
LI-RADS (Liver Imaging Reporting and Data System) is both a set of standardized terminology and a classification system for imaging findings in liver lesions. The LI-RADS score for a liver lesion is an indication of its relative risk for hepatocellular carcinoma (HCC). The classification system ...