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.
1,380 results found
Article
Anterior humeral circumflex artery
The anterior humeral circumflex artery is a vessel arising from the axillary artery at the proximal part of the arm. It is smaller in size relative to the posterior humeral circumflex artery.
Summary
origin: branch of the axillary artery at the proximal part of the arm
location: proximal arm...
Article
Interosseous recurrent artery
The interosseous recurrent artery is a branch of the posterior interosseous artery just after its origin, within the proximal aspect of the posterior compartment of the forearm. It courses proximally between the lateral epicondyle of the humerus and olecranon of the ulna to anastomose with the m...
Article
Proximal brachial artery
The proximal brachial artery represents the initial portion of the brachial artery as it arises as a continuation of the axillary artery at the inferior edge of teres major.
There is no anatomic difference between the proximal and more distal brachial artery. However, the functional response to...
Article
Brachial vein
The brachial vein is a component of the deep venous system of the upper limb. After forming from the radial and ulnar veins1, the brachial vein travels from the cubital fossa superiorly to become the axillary vein.
Summary
origin: union of the ulnar and radial veins in the cubital fossa1
loca...
Article
Arterial supply of the head and neck
The arteries of the head and neck are branches of the common carotid and subclavian arteries.
common carotid artery
carotid body
carotid bifurcation
internal carotid artery (segments)
caroticotympanic artery
persistent stapedial artery
ophthalmic artery
supraorbital artery
lacrimal arte...
Article
Inferior adrenal artery
The inferior adrenal (suprarenal) artery is one of three adrenal arteries that supplies the adrenal gland.
Gross anatomy
Origin
Ipsilateral renal artery (usually before the terminal division of the renal artery)
Location
The course of the inferior suprarenal artery depends on its origin. Re...
Article
Septal cerebral veins
Septal cerebral veins originate at the lateral aspect of the anterior horns of the lateral ventricles then pass medially, inferior to the genu of the corpus callosum. They then turn backwards and traverse along the septum pellucidum and enter the internal cerebral vein behind the foramen of Monr...
Article
Infraorbital artery
The infraorbital artery is a branch of the third part of the maxillary artery. It runs through the inferior orbital fissure, orbit, infraorbital canal then the infraorbital foramen. Here it gives off the anterior superior alveolar artery which supplies the anterior teeth and the anterior part of...
Article
Inferior vesical artery
The inferior vesical artery is a branch of the anterior division of the internal iliac artery.
Some texts state it is only present in males and may be replaced by a vaginal artery in females. Note, the vaginal artery which is most commonly described, is often a branch of the uterine artery.
Su...
Article
Buccinator artery
The buccinator artery is a small branch from the second part of the maxillary artery. It runs obliquely forward, between the medial pterygoid and the insertion of the temporalis, to the outer surface of the buccinator, to which it is distributed, anastomosing with branches of the facial artery a...
Article
Dorsal nasal artery
The dorsal nasal artery, also known as the dorsonasal artery, is a terminal branch of the ophthalmic artery.
Gross anatomy
Arising as a terminal branch of the ophthalmic artery, the dorsal nasal artery exits the orbit after piercing the orbital septum above the medial canthal tendon (medial pa...
Article
Splenic steal syndrome
Splenic steal syndrome is a possible complication after liver transplantation. In this syndrome, blood flows preferentially from the celiac artery into the splenic artery and the hepatic artery is relatively hypoperfused as a result. This complication can threaten a liver transplant's survival.
...
Article
Idiopathic pauci immune pulmonary capillaritis
Idiopathic pauci immune pulmonary capillaritis (IPIPC) is considered a rare type of pulmonary vasculitis. Some authors consider this due be an organ specific subset of microscopic polyangiitis 3. It can result in diffuse alveolar hemorrhage.
Pathology
It is an isolated small vessel vasculitis ...
Article
Ascending lumbar communicant vein
The ascending lumbar communicant vein is a communication between the left ascending lumbar vein and the left renal vein. Because of its retroperitoneal location, when dilated, it may be mistaken for a lymph node on non-contrast studies with thick collimation.
The image shows the left renal vein...
Article
Arc of Buhler aneurysm
An Arc of Buhler aneurysm is a rare pathology that can occur in an arc of Buhler. It can occur in association with stenoses of celiac axis. This is considered a true aneurysm. Transcatheter embolization has been successfully tried as the management technique.
Differential diagnosis
On imaging ...
Article
Appendicular artery
The appendicular artery is a branch of the ileal or posterior cecal branch of the ileocolic artery, which is from the superior mesenteric artery.
It courses posteriorly to the terminal ileum in the free wall of the mesoappendix to supply the appendix.
Article
Arteriovenous access
Arteriovenous access is required for haemodialysis in renal failure patients. The upper limb is generally preferred as a site, however, lower limb access can also be obtained. Ultrasound is the preferred modality for evaluation of the vessels prior to creating an access.
Types
arteriovenous fi...
Article
Pulmonary-renal syndromes
Pulmonary-renal syndromes refer to a group of conditions that can affect the lung and kidneys. These conditions are typically characterized by diffuse alveolar hemorrhage and glomerulonephritis.
Diseases that can result in a pulmonary-renal syndrome includes:
certain pulmonary vasculitides
c...
Article
Takeuchi procedure
The Takeuchi procedure refers to a direct anastomosis of the anomalous left coronary artery from the pulmonary artery directly to the aorta was described in the 1970s and currently remains the procedure of choice.
An intrapulmonary aortocoronary tunnel or baffle was performed by Takeuchi prior ...
Article
Cutaneous leukocytoclastic angiitis
Cutaneous leukocytoclastic angiitis is a form of vasculitis that affect the skin. This is considered the most common of vasculitis affecting the skin and usually results from deposition of immune complexes at the vessel wall. Patients usually have a palpable purpura.
Unable to process the form. Check for errors and try again.