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.
16,919 results
Article
Corticobasal degeneration
Corticobasal degeneration (CBD) is an uncommon neurodegenerative disease and is one of the subset of tauopathies.
Terminology
Corticobasal syndrome (CBS) represents the clinical syndrome that is diagnosed clinically, while corticobasal degeneration is only reserved for the subset of cases that...
Article
Multiple system atrophy cerebellar type (MSA-C)
Multiple system atrophy cerebellar type (MSA-C), previously known as olivopontocerebellar degeneration, is a neurodegenerative disease, and one of the clinical phenotypes of multiple systemic atrophy (MSA).
Terminology
The prevailing thought is that that olivopontocerebellar degeneration, Shy-...
Article
Penetrating traumatic neck injury
Penetrating traumatic neck injury can be a potentially devastating injury due to the high density of crucial anatomical structures within the neck.
Epidemiology
Young males are highly represented in patients with a traumatic neck injury. In one study, 11:1 ratio of males to females were ident...
Article
Anomalous left coronary artery from the pulmonary artery
Anomalous left coronary artery from the pulmonary artery (ALCAPA), also known as Bland-White-Garland syndrome (BWG), is a rare congenital coronary artery anomaly and is considered one of the most severe of such anomalies.
There are two forms, based on the onset of the disease, each of which has...
Article
Chronic pulmonary aspergillosis
Chronic pulmonary aspergillosis (CPA) is a group of chronic aspergillosis found in non-immunocompromised patients with prior or current lung disease (e.g. chronic obstructive pulmonary disease, mycobacteriosis or conditions such as diabetes).
It can manifest as several forms 1.
chronic cavitar...
Article
Seminars in Roentgenology
Seminars in Roentgenology is a general radiology review journal founded by Ben Felson, the renowned American radiologist. It was first published in 1966, and is published four times a year and is aimed at both the resident and practising radiologist. Its Editor is Prachi Agarwal. It is published...
Article
Multiple system atrophy parkinsonian type (MSA-P)
Multiple system atrophy parkinsonian type (MSA-P), previously known as striatonigral degeneration, is a neurodegenerative disease, and one of the phenotypes of multiple systemic atrophy (MSA).
Terminology
The prevailing thought is that that olivopontocerebellar degeneration, Shy-Drager syndrom...
Article
Ann Arbor staging system (historical)
The Ann Arbor staging system was the landmark lymphoma staging classification system for both Hodgkin lymphoma and non-Hodgkin lymphoma. It is named after the town of Ann Arbor in the US state of Michigan where the Committee on Hodgkin's Disease Staging Classification met in 1971 to agree on it....
Article
Pancreatic duct stone
A pancreatic duct stone, also known as calculus, is a stone embedded within the pancreatic ducts. They typically arise in the setting of chronic pancreatitis.
Terminology
Three terms other than pancreatic stones or calculi have been used to refer to calculi in the pancreatic ducts; primarily t...
Article
Detective quantum efficiency
Detective quantum efficiency (DQE) is one of the fundamental physical variables related to image quality in radiography and refers to the efficiency of a detector in converting incident x-ray energy into an image signal.
The words "quantum efficiency" have a precise meaning, because the DQE mea...
Article
Bremsstrahlung radiation
X-rays are produced by high-energy electrons bombarding a target, especially targets with a high proton number (Z). When bombarding electrons penetrate the target, some electrons travel close to the nucleus due to the attraction of its positive charge and are subsequently influenced by its elect...
Article
Managing editor
Managing editors at Radiopaedia.org are part of the senior editorial team and have specific roles in developing the site and its content.
As of 2024, there are three managing editors:
Joachim Feger
Andrew Murphy
Vikas Shah
Responsibilities
Between 2007 (launch) and 2014, Radiopaedia.org ha...
Article
Wyburn-Mason syndrome
Wyburn-Mason syndrome (also known as Bonnet-Dechaume-Blanc syndrome) is a rare, nonhereditary neurocutaneous disorder that typically presents with unilateral vascular malformations that primarily involve the brain, orbits and facial structures. It is classified as a cerebrofacial arteriovenous m...
Article
Neurodegenerative disease
Neurodegenerative disease is a blanket term encompassing a wide variety of disorders, typically slowly progressive, with variable gradual neurologic dysfunction.
Over the years numerous classification schemas have been described, each adding a layer of confusion for students. The main distinct...
Article
Acute renal transplant rejection
Acute renal transplant rejection is a renal transplant complication that occurs within <5-7 days of the placement of the transplant. Although part of a spectrum of closely-related rejection disorders, the term is meant to distinguish this type of rejection from chronic renal transplant rejection...
Article
Helicobacter pylori
Helicobacter pylori (H. pylori) is a gram-negative spiral flagellate microaerophilic bacterium found in the human gastric mucosa 1. It is classified as a group I carcinogen and is considered necessary but insufficient alone to cause gastric adenocarcinoma. More often than not, it results in chro...
Article
Fluoroscopy
Fluoroscopy is an imaging modality that allows real-time x-ray viewing of a patient with high temporal resolution. It is based on an x-ray image intensifier coupled to a still/video camera. In years, flat panel detectors (like those used in direct digital radiography) have been replacing image i...
Article
Angiocentric glioma
Angiocentric gliomas are rare, superficial slow-growing WHO grade 1 brain tumors typically presenting in pediatric patients with intractable focal epilepsy 1-6. They are often considered part of the heterogeneous group of tumors known as long-term epilepsy-associated tumors (LEATs).
Epidemiolog...
Article
Investigating strabismus (summary)
This is a basic article for medical students and other non-radiologists
Strabismus, commonly known as "crossed eyes" or "squint," is a visual disorder characterized by the misalignment of the eyes 1.
Reference article
This is a summary article; there is no more in-depth reference article.
Su...
Article
Renal abscess
Renal abscess is a collection of infective fluid in the kidney. It is usually a sequela of acute pyelonephritis, where severe vasospasm and inflammation may occasionally result in liquefactive necrosis and abscess formation.
Epidemiology
It can affect all ages and has no recognized gender pred...
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