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
Choroid plexus infarct
Choroid plexus infarct is an uncommon location of ischemic stroke that results from ischemia of the choroid plexus, supplied by the medial posterior choroidal artery, which is a branch from the posterior cerebral artery (PCA).
Clinical presentation
Isolated choroid plexus infarction is rare an...
Article
Posterior choroidal artery infarct
Posterior choroidal artery infarct is a rare isolated ischemic stroke syndrome due to occlusion of the posterior choroidal artery. It usually coexists with posterior cerebral artery, and often superior cerebellar artery, infarction.
Clinical presentation
When infarction is limited to to the la...
Article
Medial posterior choroidal artery
The medial posterior choroidal artery is a small branch (often multiple - 40% of hemispheres) usually arising from the P2 segment of the posterior cerebral artery (PCA). It may also arise from one of the PCA branches, e.g. parieto-occiptal, calcarine, splenial artery.
It ascends deep to the res...
Article
Cholecystectomy
Cholecystectomies are one of the most common surgical procedures performed. Evidence of a cholecystectomy is often seen on imaging procedures with surgical clips in the gallbladder fossa and radiologists should be aware of possible complications.
Indications
cholelithiasis
cholecystitis
gal...
Article
Bronchiectasis
Bronchiectasis (plural: bronchiectases) is defined as an irreversible abnormal dilatation of the bronchial tree. It has a variety of underlying causes, with a common etiology of chronic inflammation. High-resolution CT is the most accurate modality for diagnosis.
Epidemiology
As there are many...
Article
Cytotoxic lesions of the corpus callosum (CLOCCs)
Cytotoxic lesions of the corpus callosum (CLOCCs) represent a collection of disparate conditions that can cause signal change in the corpus callosum, usually involving the splenium.
Terminology
The term cytotoxic lesions of the corpus callosum (CLOCCs) has been proposed 12 as a more precise d...
Article
Bardet-Biedl syndrome
Bardet-Biedl syndrome (BBS), previously known as the Laurence-Moon-Bardet-Biedl syndrome (LMBBS), is a rare autosomal recessive hereditary condition.
Clinical presentation
The clinical spectrum includes:
retinal anomalies: similar to that of retinitis pigmentosa
intellectual disability
rena...
Article
Embryonal tumor with multilayered rosettes
Embryonal tumors with multilayered rosettes (ETMR) are rare small round blue cell tumor of the central nervous system. They are one of the most aggressive brain tumors usually encountered in children and are WHO grade 4 tumors.
Terminology
Previously embryonal tumors with multilayered rosette...
Article
Oropharyngeal isthmus
The oropharyngeal isthmus, a.k.a. isthmus of fauces, is the relative constriction of the anterior oropharynx that borders the oral cavity. The isthmus is sometimes described as the passage that transitions between the oral cavity and pharynx, but strictly speaking, it is part of the oropharynx.
...
Article
Lobar intracerebral hemorrhage
Lobar intracerebral hemorrhage is a subtype of intracerebral hemorrhage defined by their location in the peripheral cerebral hemispheres. Compared to deep intracerebral hemorrhages (involving the deep grey nuclei or brainstem), lobar hemorrhages are less likely to be related to hypertension and ...
Article
Rosette-forming glioneuronal tumors
Rosette-forming glioneuronal tumors (RGNTs) are rare, usually midline, tumors that involve the fourth ventricle and/or aqueduct of Sylvius.
Although relatively well-circumscribed on MRI and clinically indolent, they often invade surrounding tissues, involving the cerebellum, pons and even the ...
Article
Neurographics (journal)
Neurographics is a quarterly review journal publication by the American Society of Neuroradiology and was first published in 2011.
History
In 2011, at the behest of Mauricio Castillo, Editor-in-Chief of American Journal of Neuroradiology (AJNR), a review journal, Neurographics, was published. ...
Article
American Journal of Neuroradiology (AJNR)
American Journal of Neuroradiology (AJNR) is the premier publication of the American Society of Neuroradiology and was first published in 1980 1. Its founding editor was Juan M Taveras (1919-2002), a pioneering American neuroradiologist and co-founder of the American Society of Neuroradiology. I...
Article
RadioGraphics
RadioGraphics is a review journal published by the Radiological Society of North America (RSNA), and its first edition was issued in 1981 1. Radiology is a sister journal. Its editor is Dr Christine "Cooky" O Menias.
History
In 1980, as the RSNA editor of educational materials, Dr William J Tu...
Article
Radiology (journal)
Radiology is a peer-reviewed monthly journal published by the Radiological Society of North America (RSNA). Its first edition was issued in September 1923 1.
Impact factor
According to the Radiology website, the journal's impact factor for 2022 is 19.7. Its Eigenfactor score is 0.05185, based ...
Article
Invasive mucinous adenocarcinoma of the lung
Invasive mucinous adenocarcinoma (IMA) of the lung is a subtype of invasive adenocarcinoma of the lung formerly known as mucinous bronchoalveolar carcinoma (BAC). They are more likely to be multicentric and tend to have a worse prognosis than non-mucinous types.
Terminology
In 2011, the Inter...
Article
Parathyroid hyperplasia
Parathyroid hyperplasia is the diffuse enlargement of the parathyroid glands and is a less common cause of primary hyperparathyroidism.
Epidemiology
There is a female predilection (M:F = 1:3).
Clinical presentation
Most commonly an incidental finding of hypercalcemia in asymptomatic patien...
Article
Shoulder resurfacing arthroplasty
Shoulder resurfacing arthroplasty is a form of partial shoulder joint replacement for the management of pathologies concerning the humeral head.
History and etymology
The first shoulder arthroplasty was performed by Péan in 1893. The 3rd generation arthroplasties were introduced by Neer from t...
Article
Chronic myocarditis
Chronic myocarditis is a prolonged or ongoing myocardial inflammation in the setting of non-dilated or mildly dilated cardiomyopathy 1-5. There have been significant differences concerning the exact definition of the concept as well as the time interval after the onset of symptoms, with the latt...
Article
Unicompartmental knee arthroplasty
Unicompartmental knee arthroplasties (UKA) or replacements (UKR) are orthopedic procedures where either the medial or lateral articular surfaces of the knee are replaced by prostheses 1. This differs from patellofemoral arthroplasties, which replace the patellar and trochlear groove articular su...
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