Items tagged “classification”
28 results found
Article
Osteoarthritis of the hip (grading)
Osteoarthritis of the hip can be graded according to its severity.
Classification
Plain radiograph
Different grading schemes are described for plain radiographs of the hip:
grade 0: normal
grade 1: possible joint space narrowing and subtle osteophytes
grade 2: definite joint space narrowin...
Article
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...
Article
Breast imaging-reporting and data system (BI-RADS) assessment category 2
BI-RADS 2 is a benign category in breast imaging reporting and data system. A finding placed in this category should have a 100% chance of being benign.
Examples of such lesions or findings include:
calcified fibroadenomas
multiple secretory calcifications
fat-containing lesions such as:
o...
Article
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 ki...
Article
Three column concept of spinal fractures
The three-column concept of thoracolumbar spinal fractures (of Denis) forms the basis of a number of widely used thoracolumbar spinal fracture classification systems.
Usage
While the three-column concept was initially developed for classification of thoracolumbar spinal fractures, it can also ...
Article
McAfee classification of thoracolumbar spinal fractures
McAfee classification of acute traumatic spinal injuries is one of a number of thoracolumbar spinal fracture classification systems and based on the three-column concept of the spine (of Denis). It requires CT for an accurate assessment.
Usage
The McAfee classification uses terminology that is...
Article
Thyroid imaging reporting and data system (TI-RADS)
Thyroid imaging reporting and data system (TI-RADS) refers to any of several risk stratification systems for thyroid lesions, usually based on ultrasound features, with a structure modelled off BI-RADS. The following article describes the initial iterations proposed by individual research groups...
Article
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 ...
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
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...
Article
LI-RADS
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...
Article
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...
Article
Lung-RADS
Lung-RADS (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 but d...
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
Lodwick classification of lytic bone lesions
The Lodwick classification is a system for describing the margins of a lytic bone lesion (or lucent 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...
Article
Mayo classification of scaphoid fractures
The Mayo classification of scaphoid fractures divides scaphoid fractures into three types according to the anatomic location of the fracture line:
middle (70%)
distal (20%)
proximal (10%)
Fractures of the distal third are further divided into distal articular surface and distal t...
Article
Roy-Camille classification of odontoid process fracture
The Roy-Camille classification of fractures of the odontoid process of C2 depends on the direction of the fracture line 1.
The level of fracture line as described by the Anderson and D’Alonzo classification is not predictive of the degree of instability or the risk of non-union. This classifica...
Article
Organ Procurement and Transplantation Network (OPTN) classification
Organ Procurement and Transplantation Network (OPTN) is the unified transplantation network in the United States and runs under the administration of United Network for Organ Sharing (UNOS). OPTN classification is an imaging policy of UNOS to determine the eligibility and priority for liver tran...
Article
Winquist classification of femoral shaft fractures
The Winquist classification of femoral shaft fractures is based on fracture comminution and was proposed by Winquist in 1980. This classification is used with regards to management decision making, in determining whether a fracture requires an intramedullary nail or open reduction.
type 0: no ...
Article
International Frontal Sinus Anatomy Classification
International Frontal Sinus Anatomy Classification (IFAC) result from an expert consensus, developed to improve the ability of the surgeon to understand the possible variations of the frontal recess and frontal sinus anatomy.
Classification
anterior cells: push the drainage pathway of the fron...