Items tagged “angiography”
14 results found
Case
Replaced right hepatic artery
Published
15 Dec 2008
63% complete
Annotated image
Case
Embolization of uterine fibroid
Published
28 Aug 2011
60% complete
DSA (angiography)
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...
Article
Contrast-enhanced MR angiography
Contrast-enhanced MR angiography (MRA) is a technique involving 3D spoiled gradient-echo (GE) sequences, with the administration of gadolinium-based contrast agents (GBCA). It can be used to assess vascular structures of almost any part of the body. Its key features are:
T1 weighted spoiled gra...
Article
Non contrast enhanced MR angiography
Non-contrast-enhanced MR angiography is a type of MR angiography that does not use gadolinium contrast to image the blood vessels, unlike the contrast enhanced MR angiography.
Techniques
The earliest method that is used to image the blood vessels is by exploiting the inflow effect of the blood...
Article
Fractional flow reserve
Fractional flow reserve (FFR) is a technique to evaluate the hemodynamic relevance of coronary artery stenoses 1,2. It is defined as "the ratio of maximal flow achievable in the stenotic coronary artery to the maximal flow achievable in the same coronary artery if it was normal" 1.
Fractional f...
Case
Upper gastrointestinal bleeding with embolization
Published
01 Apr 2014
79% complete
DSA (angiography)
Case
Renal arterial pseudoaneurysm
Published
27 Jun 2015
92% complete
DSA (angiography)
Fluoroscopy
CT
Article
Renal artery pseudoaneurysm
Renal artery pseudoaneurysms are uncommon vascular finding, with the majority occuring after a renal intervention.
Pathology
A renal artery pseudoaneurysm differs from a renal artery true aneurysm (as might occur in fibromuscular dysplasia) in that it does not involve all three layers of the a...
Article
Floating viscera sign
The floating viscera sign is an angiographic sign that occurs when there is visualization of branches of the abdominal aorta (e.g. celiac axis, superior mesenteric artery, and renal arteries) during aortography with little or no visualization of the aortic lumen.
The floating viscera sign indic...
Article
Cerebral angiography
Cerebral angiography is an interventional procedure for the diagnosis and/or treatment of intracranial pathology.
Indications
Cerebral digital subtraction angiography (DSA) is indicated in a variety of settings including:
diagnosis and treatment of:
aneurysms 1
acute ischemic stroke
vascul...
Case
Right MCA infarction with thrombectomy
Published
13 Jun 2017
88% complete
CT
DSA (angiography)
Annotated image
MRI
Case
Basilar tip aneurysm with coiling
Published
27 Jul 2017
81% complete
CT
DSA (angiography)
Case
Hemosuccus pancreaticus
Published
31 May 2023
92% complete
DSA (angiography)
CT
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