205 results found
Article
Central nervous system curriculum
The central nervous system curriculum is one of our curriculum articles and aims to be a collection of articles that represent the core central nervous system knowledge.
Definition
Topics pertaining to the intracranial content (brain, pituitary, dura, intracranial vasculatures). There will be...
Article
Superficial siderosis of the central nervous system
Superficial siderosis of the central nervous system refers to a condition resulting from deposition of hemosiderin along the leptomeninges and subpial surfaces, particularly infratentorially, with eventual neurological dysfunction, presumably due to a source of slow and chronic/recurrent subarac...
Case
Lennox-Gastaut syndrome
Published
19 Oct 2016
68% complete
MRI
Case
Cerebral hemiatrophy
Published
26 Mar 2015
95% complete
MRI
Article
Alzheimer disease
Alzheimer disease is a common neurodegenerative disease, responsible for 60-80% of all dementias, and imposing a significant burden on developed nations. It is associated with an accumulation and deposition of cerebral amyloid-β (Aβ) and is the most common cerebral amyloid deposition disease.
...
Case
Linear scleroderma
Published
20 Oct 2022
81% complete
Photo
Annotated image
MRI
CT
Article
Interseptal distance
The interseptal distance (ISD) is a measurement used to assess septal area atrophy as a marker for neurodegenerative conditions in patients with memory problems 1.
It is proposed that atrophy of the septal nuclei can commonly be seen in conditions associated with hippocampal atrophy, particular...
Article
Progressive multifocal leukoencephalopathy
Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease which results from the reactivation of John Cunningham virus (JC virus) infecting oligodendrocytes in patients with compromised immune systems.
It is considered the most common clinical manifestation of JC virus infecti...
Case
Benign enlargement of subarachnoid space in infancy
Published
26 Jul 2022
89% complete
MRI
Article
Arteriosclerosis
Arteriosclerosis is defined by thickening and loss of elasticity of the arterial walls.
There are three patterns of arteriosclerosis:
atherosclerosis: large and medium-sized arteries
Mönckeberg medial calcific sclerosis: muscular arteries
arteriolosclerosis: small arteries and arterioles
At...
Case
Rasmussen encephalitis
Published
25 Mar 2021
59% complete
MRI
Case
Crossed cerebellar diaschisis in a patient with Dyke-Davidoff-Masson syndrome and a skull vault hemangioma
Published
01 Jan 2024
80% complete
MRI
Article
Leukodystrophies
The leukodystrophies are a heterogeneous group of disorders that primarily affect the white matter of the central nervous system. They are particularly encountered in childhood as many are genetically determined and represent abnormalities in white matter metabolism. A number of leukodystrophies...
Article
Fahr syndrome
Fahr syndrome, also known as bilateral striatopallidodentate calcinosis, is characterized by abnormal vascular calcium deposition, particularly in the basal ganglia, cerebellar dentate nuclei, and white matter, with subsequent atrophy.
It can be either primary (usually autosomal dominant) or se...
Article
International panel for NMO diagnosis criteria
The 2015 International Panel for NMO Diagnosis criteria is, as the name implies, a set of criteria used to diagnose neuromyelitis optica spectrum disorder (NMOSD) 1. They are based on a combination of clinical, laboratory, and neuroimaging findings.
Criteria
Diagnostic criteria for NMOSD with ...
Case
Crossed cerebellar diaschisis in a patient with Dyke-Davidoff-Masson syndrome
Published
14 Dec 2023
80% complete
MRI
Case
Cerebral amyloid angiopathy-associated lobar intracerebral hemorrhage
Published
22 Feb 2018
95% complete
MRI
CT
Case
Cerebral amyloid angiopathy-associated lobar intracerebral hemorrhage
Published
14 Feb 2018
92% complete
CT
MRI
Article
Hot cross bun sign (pons)
The hot cross bun sign refers to the MRI appearance of the pons when T2 hyperintensity forms a cross on axial images, representing selective degeneration of transverse pontocerebellar tracts and median pontine raphe nuclei 1.
It has been described in a variety of neurodegenerative and other con...
Case
Rasmussen encephalitis
Published
21 Jun 2020
75% complete
CT
MRI
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