5,480 results found
Article
Branches of internal carotid artery (mnemonic)
Useful mnemonics to remember the branches of the internal carotid artery is:
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Mnemonics
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A: anterior choroidal arter...
Article
Subclavian vein stenosis
Subclavian vein stenosis refers to a narrowing of the subclavian vein.
Clinical presentation
Presentation can be variable ranging from being asymptomatic to having arm swelling, arm pain, paresthesia, neck pain and occipital headaches.
Pathology
Subclavian vein stenosis can arise from a numb...
Article
Mediastinal hemangioma
Mediastinal hemangioma is a location-specific subtype of a hemangioma.
Epidemiology
Their incidence accounts for less than 0.5% among all mediastinal masses 1.
Clinical presentation
Up to half of patients may be asymptomatic 1. Others may present with non-specific symptoms, such as cough, ch...
Article
Congenitally corrected transposition of the great arteries
Congenitally corrected transposition of the great arteries, also known as levo- or L-loop transposition (L-TGA), is a rare cardiovascular anomaly with inversion of the ventricles and great arteries. See the main article on transposition of the great arteries for discussion of the D-loop subtype....
Case
Inferior vena cava web
Published
10 May 2022
73% complete
CT
Annotated image
Case
Kienbock disease
Published
06 Aug 2022
77% complete
MRI
Article
Subclavian vein
The subclavian veins are the major veins that drain the upper limbs.
Gross anatomy
Origin and course
The subclavian vein is the continuation of the axillary vein as it crosses the lateral border of the 1st rib. It then arches cephalad, posterior to the medial clavicle before curving caudally ...
Article
Cogan syndrome
Cogan syndrome is a rare vasculitis of young adults that is primarily characterized by 1,4,6:
inflammatory eye disease (classically interstitial keratitis) 6
audiovestibular dysfunction (similar to Meniere disease) 6
Epidemiology
Cogan syndrome is rare and can occur in people of any age and ...
Case
Basilar tip aneurysm
Published
16 Apr 2015
90% complete
Annotated image
CT
Article
Tumors of blood vessels
Blood vessel derived tumors may arise from:
endothelial cells
hemangioma
lymphangioma
angiosarcoma
cells supporting or surrounding blood vessels
glomus tumor of finger
hemangiopericytoma
Most arise in the soft tissues or viscera. Primary tumors of the large vessels (eg. aorta, IVC) are ...
Article
Carotid space
The carotid space, the suprahyoid portion of which is also known as the poststyloid parapharyngeal space, is a deep compartment of the head and neck bound by the carotid sheath.
Terminology
The "carotid space" terminology was introduced by some radiologists to facilitate differential diagnosis...
Article
Anterior inferior cerebellar artery
The anterior inferior cerebellar artery (AICA) is one of three vessels that provides arterial blood supply to the cerebellum. It has a variable origin, course and supply, with up to 40% of specimens not having an identifiable standard AICA. The amount of tissue supplied by the AICA is variable (...
Case
Ruptured renal artery aneurysm managed with autotransplantation
Published
10 Mar 2013
98% complete
CT
Article
Carotid bifurcation
The carotid bifurcation is the point at which the common carotid artery terminates. As it does so, it forms the internal and external carotid arteries which go on to supply the head and neck.
The height of the carotid bifurcation is noted to be highly variable in the literature. Most frequently...
Case
Pelvic arteriovenous malformation
Published
02 Apr 2022
92% complete
CT
Case
Median arcuate ligament syndrome (Dunbar syndrome)
Published
17 May 2016
87% complete
CT
Annotated image
Article
Renal artery occlusion (acute)
Renal artery occlusion can happen acutely due to in-situ thrombus, embolism, or dissection. Unless immediately treated, it can lead to renal infarction 1.
Epidemiology
The condition is more common in the elderly, however, it may be seen in a younger age group if they have risk factors (describ...
Case
Pelvic congestion syndrome
Published
12 Jan 2016
62% complete
MRI
Case
Pelvic congestion syndrome
Published
05 Aug 2022
72% complete
Ultrasound
Case
Superior mesenteric artery syndrome
Published
15 Dec 2022
64% complete
CT
Barium
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