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.
35 results found
Article
Pulmonary hypertension (2008 classification)
The classification system for pulmonary hypertension was revised at the 4th World Symposium on Pulmonary Hypertension held in Dana Point, California, in 2008 1.
This system is as follows:
group 1: pulmonary arterial hypertension
1.1: idiopathic pulmonary arterial hypertension
1.2: heritable ...
Article
Situs classification
Situs classification (plural: sitūs) or body situs can be a daunting topic, but it falls into three main groups:
situs solitus: the normal configuration of thoracic and abdominal organs
situs inversus: mirror image of the normal configuration
situs ambiguus (heterotaxy): an intermediate confi...
Article
DeBakey classification
The DeBakey classification, along with the Stanford classification, is used to separate aortic dissections into those that need surgical repair, and those that usually require only medical management.
Both the Stanford and DeBakey systems can be used to describe all forms of the acute aortic sy...
Article
Pulmonary nodule
Pulmonary nodules are small, rounded opacities within the pulmonary interstitium. Pulmonary nodules are common and, as the spatial resolution of CT scanners has increased, detection of smaller and smaller nodules has occurred, which are more often an incidental finding.
Classification
Pulmonar...
Article
Disseminated histoplasmosis
Disseminated histoplasmosis, also known as progressive disseminated histoplasmosis, is a severe form of histoplasmosis infection typically seen in immunosuppressed patients, especially in the setting of HIV infection. It results from hematogenous dissemination of the infection, involving multipl...
Article
Anectasis
Anectasis is a term that describes primary atelectasis, as distinct from secondary atelectasis.
Anectasis refers to the failure of the lung to expand fully at birth.
See also
atelectasis
Article
Brasfield scoring system
The Brasfield scoring system is a scoring system for patients with cystic fibrosis based on scoring conventional chest radiograph findings 1. It has good correlation with pulmonary function 2.
Points are assigned in five categories:
Air trapping (0-4)
Definition: generalized pulmonary overdis...
Article
Boyden classification of bronchi
The Boyden classification of bronchi refers to the standard nomenclature used to describe bronchopulmonary segmental anatomy.
Each lung has 10 segments, however, on the left, the first two segments share a common trunk and are hence B1/2. Also given the shared trunk on the left of the lower lob...
Article
Macrocystic honeycombing
Macrocystic honeycombing refers to a morphological subtype of honeycombing seen on HRCT. Many authors consider that the individual lung cysts should be >4 mm in diameter to be classified as macrocystic honeycombing. This form is considered to be more commonly associated with usual interstitial p...
Article
Stoma
A stoma (plural stomata) is defined as an artificially created connection between two hollow organs or a hollow organ and the skin. A surgical procedure that involves the creation of a stoma carries the suffix "-ostomy".
For a discussion of imaging features and potential complications, please r...
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
Cauldwell classification
Cauldwell classification is a commonly used classification 4 in assessing bronchial artery branching patterns.
Classification
The bronchial artery branching pattern is classified into four types based on the number of intercostobronchial trunks (ICBT) - that give rise to the right bronchial ar...
Article
Pulmonary artery stenosis types
Pulmonary artery stenosis refers to a narrowing of the pulmonary artery or pulmonary trunk and can be classified into several types 1,2:
type I: involving the main pulmonary artery (pulmonary trunk)
type II: involving bifurcation
type III: multiple peripheral stenoses
type IV: central and pe...
Article
Congenital cardiovascular anomalies
Congenital cardiovascular anomalies are relatively common, with an incidence of up to 1% if small muscular ventricular septal defects (VSDs) are included. As a group, there is a much greater frequency in syndromic infants and in those that are stillborn.
Epidemiology
In a large study in the U...
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. ...
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