Items tagged “stroke”
135 results found
Article
Brain arterial vascular territories
An understanding of brain arterial vascular territories is important in understanding stroke and complications from surgery and endovascular procedures.
Although one could be excused for thinking that within the brain, such a carefully organized organ, blood supply would be constant, the truth...
Article
Middle cerebral artery (MCA) infarct
The middle cerebral artery territory is the most commonly affected territory in a cerebral infarction, due to the size of the territory and the direct flow from the internal carotid artery into the middle cerebral artery, providing the easiest path for thromboembolism.
Clinical presentation
Th...
Article
Posterior cerebral artery (PCA) infarct
Posterior cerebral artery (PCA) infarcts arise, as the name says, from occlusion of the posterior cerebral artery. It is a type of posterior circulation infarction.
Epidemiology
Posterior cerebral artery strokes are believed to comprise approximately 5-10% of ischemic strokes 6.
Clinical pres...
Article
Weber syndrome
Weber syndrome is a midbrain stroke syndrome that involves the cerebral peduncle and the ipsilateral fascicles of the oculomotor nerve 1-3,5. Occasionally the substantia nigra can also be involved 5.
Clinical presentation
ipsilateral CN III palsy
diplopia
ptosis
afferent pupillary defect
...
Case
Posterior cerebral artery territory infarct
Published
07 May 2008
56% complete
MRI
Case
Basal ganglia hemorrhage (CT)
Published
09 May 2008
71% complete
CT
Case
Left ICA infarct
Published
09 May 2008
84% complete
CT
MRI
Case
Basal ganglia bleed
Published
22 May 2008
78% complete
CT
MRI
Case
Left MCA infarct
Published
02 Aug 2016
80% complete
CT
Case
Wallerian degeneration
Published
08 Dec 2008
59% complete
CT
Case
Watershed infarct
Published
16 Dec 2008
48% complete
MRI
Case
Medial longitudinal fasciculus infarct
Published
17 Dec 2008
77% complete
MRI
Article
Hyperdense MCA sign (brain)
The hyperdense MCA sign, also known as Gács sign, is a type of hyperdense vessel sign and refers to focal hyperattenuation of the middle cerebral artery (MCA) on non-contrast brain CT and is due to intraluminal thromboembolic material. It is the earliest visible sign of MCA infarction and is see...
Case
Intracerebral hemorrhage (warfarinised)
Published
01 May 2009
83% complete
CT
Case
Thalamic lacunar infarct
Published
09 Jan 2010
39% complete
CT
Case
PICA infarct
Published
12 Mar 2010
62% complete
MRI
Case
Hemorrhagic transformation of middle cerebral artery stroke
Published
24 Jul 2010
65% complete
MRI
Case
Hypertensive basal ganglial bleed
Published
24 Aug 2010
92% complete
CT
Diagram
Case
Hemorrhagic infarcts - vertebral artery occlusion
Published
30 Sep 2010
71% complete
MRI
Case
MCA dot sign
Published
15 Oct 2010
53% complete
Annotated image
CT