5,488 results found
Article
Basilar artery fenestration
Basilar artery fenestration (or more simply, basilar fenestration) is the most common intracranial arterial fenestration and most common congenital anomaly of the basilar artery. This anatomic variant is characterised by duplication of a portion of the artery that are connected proximally and di...
Article
Pericardiophrenic artery
The pericardiophrenic artery, also known as the pericardiacophrenic artery, is a branch of the internal thoracic artery that runs to the diaphragm where it anastomoses with both the musculophrenic and superior phrenic arteries. It runs with the phrenic nerve and pericardiophrenic vein between th...
Case
Infected abdominal aortic aneurysm endovascular stent
Published
13 Jan 2017
95% complete
Nuclear medicine
CT
Article
Perforating veins of the lower limb
The perforating veins of the lower limb (PV or “perforators”) are so called because they perforate the deep fascia of muscles, to connect the superficial venous systems of the lower extremity with the deep veins where they drain. There are numerous veins in variable arrangement, connection, size...
Article
Subclavian artery branches (mnemonic)
Helpful mnemonics to remember the branches of the subclavian artery include:
Very Indignant Tired Individuals Sip Tasty Almond Coffee Served Double Daily
VIT C, D (as in vitamins C and D)
Mnemonics
Very Indignant Tired Individuals Sip Tasty Almond Coffee Served Double Daily
V: vertebral art...
Article
Tibioperoneal trunk
The tibioperoneal or TP trunk, occasionally referred to as the tibiofibular trunk, is the direct continuation of the popliteal artery in the posterior upper leg after the anterior tibial artery origin. It is a short trunk that bifurcates into two terminal branches.
Summary
origin: continuatio...
Case
Accessory hemiazygos vein
Published
23 Apr 2022
89% complete
CT
Case
Trigeminal neuralgia due to vertebrobasilar dolichoectasia
Published
03 Jun 2022
77% complete
MRI
Article
Contrast level within inferior vena cava
A dependent contrast level within the inferior vena cava is a situation that can be observed in some cases with inferior vena caval contrast reflux. Its presence is usually associated with very poor cardiac output and can be accompanied by dependent layering of venous refluxed contrast within th...
Article
Inferior vena caval contrast reflux
Reflux of contrast into inferior vena cava can be common findings seen on CT. It is considered a specific but insensitive sign of right-sided heart disease / right heart dysfunction at low contrast injection rates although the usefulness decreases with high injection rates.
Conditions associate...
Case
Right sided aortic arch with aberrant left subclavian artery
Published
05 Jun 2021
83% complete
CT
Article
Post traumatic arteriovenous vascular malformation
Post traumatic arterio-venous vascular malformations are an uncommon acquired form arteriovenous malformations which occur following a traumatic to that site.
Pathology
As with other vascular malformations, they comprise multiple communicating channels between arterial and venous channels at t...
Case
Accessory renal artery
Published
04 Apr 2017
95% complete
CT
Case
Delayed-onset ruptured abdominal aortic aneurysm post-endovascular repair
Published
21 Nov 2023
80% complete
CT
Article
Median arcuate ligament
The median arcuate ligament is a fibrous arch connecting the left and right diaphragmatic crura at the aortic hiatus 1,2.
A low-lying median arcuate ligament can compress the coeliac axis to cause coeliac artery compression syndrome which is also known as median arcuate ligament syndrome (MALS)...
Case
Renal artery stenosis
Published
10 Nov 2010
71% complete
CT
Case
Renal arteriovenous malformation
Published
07 Aug 2016
89% complete
CT
Article
Inferior hypophyseal artery
The inferior hypophyseal artery is a branch from the meningohypophyseal trunk, a branch of the C4 segment of the internal carotid artery. It is usually single on each side and divides into superior and inferior branches, anastomoses with its counterparts from the opposite, contributing to the in...
Article
Aortic hiatus
The aortic hiatus is one of the three major apertures through the diaphragm and lies at the level of T12. Strictly speaking, it is not a real aperture in the diaphragm, but an osseoaponeurotic opening between it and the vertebral column.
The hiatus is situated slightly to the left of the midli...
Article
Portal vein thrombosis
Portal vein thrombosis may be seen in a variety of clinical contexts, and when acute can be a life-threatening condition. It is a major cause of non-cirrhotic presinusoidal portal hypertension. Portal vein thrombus may be either bland and/or malignant (i.e. tumour thrombus), and it is a critical...
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