15,155 results found
Article
Tumefactive perivascular spaces
Tumefactive perivascular spaces are a rare finding of enlargement of perivascular spaces. It is important to recognize this condition as it can be easily mistaken for a neoplasm and also rarely local mass effect from TPVS can result in a complication.
Clinical presentation
Small case series of...
Case
Optic neuritis
Published
03 Feb 2023
100% complete
MRI
Article
Subacute encephalopathy with seizures in alcoholics (SESA syndrome)
Subacute encephalopathy with seizures in alcoholics (SESA syndrome) is a rare complication of chronic alcohol use that can present with seizures and a variety of neurological deficits.
Epidemiology
SESA syndrome is rare 1-3.
Clinical presentation
The typical clinical presentation is of con...
Case
MCA - Alberta stroke program early CT score (ASPECTS) illustration
Published
08 Dec 2019
29% complete
Annotated image
Case
Subdural hemorrhage - bilateral
Published
24 Aug 2010
83% complete
CT
Article
Epilepsy
Epilepsy is a common neurological disorder that is characterized by a predisposition to having epileptic seizures and can take many clinical forms and have many potential etiologies.
Epilepsy is defined by the International League Against Epilepsy (ILAE) as 1:
at least two or more unprovoked (...
Article
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD)
Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) represents a group of inflammatory demyelinating disorders united by the presence of IgG antibodies to myelin oligodendrocyte glycoprotein (MOG). MOGAD represents a distinct clinical entity that clinically overlaps but is n...
Article
Cerebellar infarction
Cerebellar infarction is a relatively uncommon subtype of ischemic stroke. It may involve any of the three arteries supplying the cerebellum:
superior cerebellar artery (SCA): superior cerebellar arterial infarct
anterior inferior cerebellar artery (AICA): anterior inferior cerebellar arterial...
Case
Acute P1 occlusion with PCA ischemic penumbra (CT perfusion)
Published
07 Nov 2019
95% complete
CT
DSA (angiography)
MRI
Case
Normal MRA brain (anatomy quiz)
Published
17 May 2018
38% complete
Annotated image
Article
Focal cortical dysplasia
Focal cortical dysplasias (FCD) represent a heterogeneous group of disorders of cortical formation, which may demonstrate both architectural and proliferative features. They are one of the most common causes of epilepsy and can be associated with hippocampal sclerosis and cortical glioneuronal n...
Case
Lateral pontine syndrome - Marie-Foix syndrome
Published
23 May 2024
77% complete
MRI
Case
Epidermoid cyst - prepontine cistern
Published
23 May 2024
77% complete
MRI
Case
Intercavernous sinus
Published
16 May 2015
48% complete
CT
Article
Blumcke classification of focal cortical dysplasia
Blumcke et al. proposed the widely adopted International League Against Epilepsy (ILAE) consensus classification system for focal cortical dysplasia in 2011 2, which shares many features with the previously described classification systems by Palmini (2004) and Barkovich (2005).
In 2022, an up...
Article
Transsphenoidal hypophysectomy
Transsphenoidal hypophysectomy, also known as endoscopic transsphenoidal surgery (ETSS), is a commonly used surgical approach for pituitary region masses, with many significant advantages over open craniotomy.
History
The transsphenoidal approach was first described in 1907 by Schloffer, modi...
Case
Corticobasal degeneration
Published
16 May 2024
77% complete
Nuclear medicine
MRI
Article
Glioblastoma, IDH-wildtype
Glioblastomas (GBM) are the most common adult primary brain tumor and are aggressive, relatively resistant to therapy, and have a corresponding poor prognosis.
They typically appear as heterogeneous masses centered in the white matter with irregular peripheral enhancement, central necrosis, and...
Case
Spindle cell oncocytoma of pituitary
Published
16 Oct 2017
95% complete
CT
MRI
Pathology
Case
Diffuse astrocytoma IDH-1 mutant
Published
01 Jul 2018
86% complete
MRI
Pathology
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