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.
More than 200 results
Article
CT angiography of the splanchnic vessels (protocol)
Multislice CT angiography of the splanchnic vessels is a powerful minimally invasive technique for the evaluation of the splanchnic vascular system.
Indications
CT angiography is indicated in the evaluation of the following conditions related to the splanchnic vessels 8:
aneurysm
thrombosis
...
Article
Complications of radiation therapy
Radiation therapy has the potential to cause complications in many organ systems, many of which, especially in the thorax, are important for radiologists to be aware of.
acute radiation syndrome
complications of cranial radiation therapy
radiation-induced cerebral vasculopathy
radiation-ind...
Article
Popliteal artery
The popliteal artery is the direct continuation of the superficial femoral artery, at the point where it exits the adductor canal at the adductor hiatus, and passes into the popliteal fossa as the vessel courses posteriorly behind the knee.
Summary
origin: continuation of the superficial femor...
Article
Coronary microvascular dysfunction
Coronary microvascular dysfunction (CMD) or coronary microvascular disease refers to a wide spectrum of clinical situations with an impairment of the coronary microcirculation and myocardial blood flow in subjects with respective risk factors. It can contribute to or induce myocardial ischemia. ...
Article
Cerebral proliferative angiopathy
Cerebral proliferative angiopathy (CPA), previously known as diffuse nidus type arteriovenous malformation, is a cerebral vascular malformation separated from classic brain arteriovenous malformation (AVM) and characterized by the presence of normal brain parenchyma interspersed throughout the s...
Article
Arterial vasocorona
The arterial vasocorona is part of the spinal cord blood supply and is formed by pial anastomoses between the anterior and posterior spinal arteries on the surface of the spinal cord. It encircles the cord and supplies the peripheral lateral aspect of the spinal cord.
Engorgement of arterial v...
Article
Cisterna chyli
The cisterna chyli (CC) (plural: cisternae chyli), also known as the receptaculum chyli, is a normal anatomical structure in the lymphatic system. It is seen as a saccular area of dilatation in the lymphatic channels that are located in the retrocrural space, usually to the immediate right of th...
Article
Inferior vena caval thrombosis
Inferior vena caval thrombosis is an essential diagnosis while evaluating any neoplastic lesion, or portal hypertension. It is also important to differentiate bland thrombus from tumor thrombus.
Clinical features
A patient can present with many features which include
bilateral pedal edema
Bu...
Article
Lateral tentorial artery
The lateral tentorial artery also known as lateral tentorial arcade, is a branch of the meningohypophyseal trunk. which arises from the cavernous segment of the internal carotid artery. The lateral tentorial artery runs along the lateral edge of the tentorium cerebelli.
Radiographic appearance
...
Article
Generalized lymphatic anomaly
Generalized lymphatic anomaly, previously known as lymphangiomatosis or cystic angiomatosis, is a systemic condition characterized by multifocal lymphatic malformations with systemic distribution. The distribution of lesions is variable; there can be cutaneous, thoracic and abdominal viscera and...
Article
Coronary artery dissection
Coronary artery dissection is a rare cause of acute coronary syndrome especially in young patients who are otherwise healthy.
A spontaneous coronary artery dissection (SCAD) is defined as a non-iatrogenic dissection of an epicardial coronary artery not associated with atherosclerosis or trauma....
Article
Fibromuscular dysplasia
Fibromuscular dysplasia (FMD) is a heterogeneous group of vascular lesions characterized by idiopathic, non-inflammatory, and non-atherosclerotic angiopathy of small and medium-sized arteries.
Epidemiology
The prevalence is unknown 7. It is most common in young women with a female to male rati...
Article
Inferior vena cava web
Inferior vena cava (IVC) webs are an uncommon condition characterized by obstruction of the hepatic segment of the inferior vena cava by a membrane or fibrous band. This is often associated with occlusion of one or more of the hepatic veins.
Clinical presentation
If there is hepatic vein invol...
Article
Branches of the anterior division of the internal iliac artery (mnemonic)
Mnemonics to remember the branches of the anterior division of the internal iliac artery are:
SOI VU MR PIG (it can be remembered as SO fourth (IV) U MR PIG)
Oranges Under Some Ice Might Peel Instantly
Some Old Uteruses May Get Prolapsed (the consistent branches, in order, in females)
Mnemon...
Article
Stroke
A stroke is a clinical diagnosis that refers to a sudden onset focal neurological deficit of presumed vascular origin.
Stroke is generally divided into two broad categories 1,2:
ischemic stroke (87%)
hemorrhagic stroke (13%)
Terminology
The term "stroke" is ambiguous and care must be taken ...
Article
Tardus parvus
Tardus parvus refers to a pattern of Doppler ultrasound spectral waveform resulting from arterial stenosis. The phenomenon is observed downstream to the site of stenosis, and is due to reduced magnitude of blood flow through the narrowed vessel during ventricular systole 7.
This characteristic ...
Article
Collateral systems between the celiac trunk and superior mesenteric artery
There are several collateral systems between the primary vascular supply of the foregut and midgut.
The collaterals between the celiac trunk and superior mesenteric artery (SMA) include:
gastroduodenal artery (GDA)
branch of the common hepatic artery (CHA) and anastomoses with branches of th...
Article
Teardrop sign (superior mesenteric vein)
The teardrop sign of the superior mesenteric vein is one of the important signs in the local staging of pancreatic adenocarcinoma. Its importance lies in its diagnostic, as well as prognostic, significance. This sign is used in assessing the resectability of pancreatic cancer.
Radiographic feat...
Article
Cone artery
The cone artery, also known as the artery of Desproges-Gotteron, is a rare anatomical variant which commonly arises from the internal iliac artery.
Gross anatomy
Origin
The cone artery has a variable origin and may arise from the internal iliac artery or its branches, commonly the iliolumbar ...
Article
Lateral thoracic artery
The lateral thoracic artery is a branch of the second part of the axillary artery.
Gross anatomy
Origin and course
The lateral thoracic artery originates from the medial surface of the axillary artery, posterior to the distal part of pectoralis minor. It courses inferomedially along the infe...
Unable to process the form. Check for errors and try again.