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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.

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Bronchopulmonary dysplasia

Bronchopulmonary dysplasia (BPD), particularly affects preterm infants causing significant morbidity and mortality. Terminology Bronchopulmonary dysplasia and chronic lung disease of prematurity (CLDP) have often been used interchangeably to describe the condition post-treatment of premature i...

Multiple sclerosis

Multiple sclerosis (MS) is a relatively common acquired chronic demyelinating disease involving the central nervous system, and is the second most common cause of neurological impairment in young adults, after trauma 19. Characteristically, and by definition, multiple sclerosis is disseminated i...

Behçet disease (CNS manifestations)

CNS manifestations of Behçet disease, also known as neuro-Behçet disease, corresponds to the neurological involvement of the systemic vasculitis Behçet disease and has a variety of manifestations. For a discussion of the disease, in general, please refer to Behçet disease article. Epidemiology...

Inflammatory cerebral amyloid angiopathy

Inflammatory cerebral amyloid angiopathy is an uncommon cerebral amyloid deposition disease, closely related to the far more common non-inflammatory cerebral amyloid angiopathy, and can present as areas of vasogenic edema. Terminology The term "inflammatory cerebral amyloid angiopathy" can be ...

Medical abbreviations and acronyms (P)

This article contains a list of commonly used medical abbreviations and acronyms that start with the letter P and may be encountered in medicine and radiology (please keep the main list and any sublists in alphabetic order). A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R ...

Submandibular gland

The submandibular glands (historically also known as the submaxillary glands) are one of the three paired major salivary glands, located inferior and posterior to the body of the mandible, in the submandibular (digastric) triangle. They secrete mixed serous and mucous saliva into the oral cavity...

Medical abbreviations and acronyms (C)

This article contains a list of commonly used medical abbreviations and acronyms that start with the letter C and may be encountered in medicine and radiology (please keep both the main list and any sublists in alphabetic order). A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q...

Medical abbreviations and acronyms (M)

This article contains a list of commonly used medical abbreviations and acronyms that start with the letter M and may be encountered in medicine and radiology (please keep the main list and any sublists in alphabetic order). A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R ...

Brain arteriovenous malformation

Brain arteriovenous malformations are a type of intracranial high-flow vascular malformation composed of enlarged feeding arteries, a nidus of vessels closely associated with the brain parenchyma through which arteriovenous shunting occurs and draining veins. Terminology This article correspon...

Glycogen storage disease type I

Glycogen storage disease type I (GSD-I), also known as von Gierke disease, is a type of glycogen storage disease where there is excess deposition of glycogen primarily in the liver, but also in the kidney and small bowel. Epidemiology It occurs approximately one in every 100,000 live births 2,...

Glycogen storage disease

Glycogen storage disease (GSD) refers to a number of syndromes which are characterized by a defect in synthesis, metabolism or storage of glycogen. Pathology There are many types of GSD: type I: von Gierke disease type II: Pompe disease type III: Cori or Forbes disease type IV: Andersen di...

Aicardi-Goutières syndrome

Aicardi-Goutières syndrome is a rare hereditary neurodegenerative disease which usually presents in early infancy as a systemic and central nervous system inflammatory syndrome characterized by hepatosplenomegaly, vasculopathy and encephalopathy. Many of the features are similar to congenital TO...

Birt-Hogg-Dubé syndrome

Birt-Hogg-Dubé syndrome (BHDS), also known as folliculin gene-associated syndrome, is a multi-system disease characterized by: cutaneous manifestations, typically fibrofolliculomas multiple lung cysts and spontaneous pneumothoraces increased risk of renal tumors in some families, typically ch...

Acetabular labral tear

Acetabular labral tear, as the name implies, is a tear involving the acetabular labrum of the hip. It is defined as a defect in the labral surface, intralabral surface or chondrolabral junction 10. With the increasing use of hip arthroscopy in orthopedic surgery since the 1970s, pathologies of ...

Pneumatized dorsum sella

Pneumatization of the dorsum sella is not uncommon, but needs to be remembered as an unusual site of sinus disease, which otherwise may be mistaken for intracranial of pituitary disease.

CT renal mass (protocol)

The renal mass CT protocol is a multiphasic contrast-enhanced examination for the assessment of renal masses. It is most often comprised of a non-contrast, nephrogenic phase and excretory phase. However, this article will cover the optional, corticomedullary phase too. NB: This article is inten...

Diffuse idiopathic skeletal hyperostosis

Diffuse idiopathic skeletal hyperostosis (DISH), also known as Forestier disease, is a common condition characterized by bony proliferation at sites of tendinous and ligamentous insertion. It primarily affects the spine of older individuals. On imaging, it manifests as flowing bridging anterior ...

Zero echo time imaging

Zero echo time (ZTE) imaging is a development in MR technology, to better visualize tissues such as bone with the shortest T2 values. Technique Physical principles In zero echo time imaging, the signal is acquired immediately after applying the radiofrequency pulse resulting in near-zero echo...

Esophageal intubation

Esophageal intubation refers to the incorrect placement of an endotracheal tube in the esophagus. Within minutes its consequences can be catastrophic with the seriousness of its outcome depending largely on the timeliness of its diagnosis. Epidemiology Accidental esophageal intubation can happ...

CSF overdrainage

CSF overdrainage, also known as overshunting, is the most common complication of ventriculoperitoneal shunts and other CSF diversion procedures and may result in slit ventricle syndrome, although the two are not synonymous. Clinical presentation Classically, patients present with headaches, al...

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