Items tagged “neurology”

17 results found
Article

Open ring sign

The open ring sign is a relatively specific sign for demyelination, most commonly multiple sclerosis (MS), and is helpful in distinguishing between the causes of ring-enhancing lesions.  Radiographic features The enhancing component is thought to represent advancing front of demyelination and ...
Case

Active multiple sclerosis

 Diagnosis certain
Dr Ali Abougazia
Published 27 Apr 2013
86% complete
MRI
Article

Acute vs chronic ischemic stroke

Differentiating between acute and chronic infarction on a CT brain is an important skill for many health professionals particularly in the emergency setting: pathology acute: cytotoxic edema chronic: encephalomalacia; Wallerian degeneration hypoattenuation acute: more dense than CSF chroni...
Case

Acute bilateral medial medullary infarction

 Diagnosis almost certain
Dr Mohammad A. ElBeialy
Published 15 Jul 2013
80% complete
MRI
Case

Multiple sclerosis

 Diagnosis almost certain
Dr Hani Salam
Published 28 Jul 2013
65% complete
MRI
Article

Extradural hemorrhage (summary)

This is a basic article for medical students and other non-radiologists Extradural hemorrhages (EDH) represent collections of blood in the extradural (epidural) space. The hemorrhage sits between the skull superficially and the dura which overlies the brain parenchyma. The bleed in relation to...
Article

Multiple sclerosis (summary)

This is a basic article for medical students and other non-radiologists Multiple sclerosis (MS) is a chronic demyelinating condition affecting the central nervous system. Diagnosis requires good history, clinical examination, appropriate imaging, and laboratory tests (cerebrospinal fluid for Ig...
Case

Left posterior cerebral artery territory infarct

 Diagnosis certain
Dr Henry Knipe
Published 23 Feb 2015
87% complete
CTMRI
Case

Acute left middle cerebral artery territory ischemic stroke

 Diagnosis certain
Dr Henry Knipe
Published 17 Apr 2015
98% complete
CT
Case

Left middle cerebral artery territory infarct - calcified embolus

 Diagnosis certain
Dr Henry Knipe
Published 28 Jun 2016
87% complete
CTMRI
Article

Lateral spinothalamic tract

The lateral spinothalamic tract, also known as the lateral spinothalamic fasciculus, is an ascending pathway located anterolaterally within the peripheral white matter of the spinal cord. It is primarily responsible for transmitting pain and temperature as well as coarse touch.  The anterior sp...
Article

Anterior spinothalamic tract

The anterior spinothalamic tract, also known as the ventral spinothalamic fasciculus, is an ascending pathway located anteriorly within the spinal cord, primarily responsible for transmitting coarse touch and pressure.  The lateral spinothalamic tract (discussed separately), in contrast, primar...
Article

McDonald diagnostic criteria for multiple sclerosis

McDonald diagnostic criteria for multiple sclerosis are clinical, radiographic, and laboratory criteria used in the diagnosis of multiple sclerosis. They were originally introduced in 2001 and revised multiple times (see "previous versions" below) most recently in 2017 5.  Criteria The diagnos...
Article

Inferior olivary nucleus

The inferior olivary nuclei (or ION) are a two C-shaped nuclei located within the medulla oblongata, implicated in motor co-ordination. Gross anatomy The inferior olivary nuclei is located in the superior medulla, just below the pons. They are an irregular mass of crenated C-shaped grey matter...
Case

Multinodular and vacuolating neuronal tumor of the cerebrum

 Diagnosis probable
Dr Alexandra Murphy
Published 02 Feb 2019
71% complete
MRI

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