Items tagged “neurosurgery”
28 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 ...
Article
Subarachnoid hemorrhage
Subarachnoid hemorrhage (SAH) is one of the types of extra-axial intracranial hemorrhage and denotes the presence of blood within the subarachnoid space.
Epidemiology
Patients tend to be older middle age, typically less than 60 years old 2. Subarachnoid hemorrhage accounts for 3% of stroke and...
Article
Subdural hemorrhage
Subdural hemorrhage (SDH) is a collection of blood accumulating in the subdural space, the potential space between the dura and arachnoid mater of the meninges around the brain. SDH can happen in any age group, is mainly due to head trauma and CT scans are usually sufficient to make the diagnosi...
Article
Subfalcine herniation
Subfalcine herniation, the most common cerebral herniation pattern, is characterized by displacement of the brain (typically the cingulate gyrus) beneath the free edge of the falx cerebri due to raised intracranial pressure.
Radiographic features
CT
The easiest method of evaluating for subfa...
Article
Intracerebral hemorrhage
An intracerebral hemorrhage, or intraparenchymal cerebral hemorrhage, is a subset of an intracranial hemorrhage. This can encompass a number of entities that share the acute accumulation of blood in the parenchyma of the brain. The etiology, epidemiology, treatment and prognosis vary widely depe...
Article
Odontoid fracture
Odontoid process fracture, also known as the peg or dens fracture, occurs where there is a fracture through the odontoid process of C2.
Pathology
The mechanism of injury is variable, and can occur both during flexion or extension with or without compression 5.
Classification
There are two cl...
Case
Foramen magnum meningioma
Diagnosis almost certain
Published 06 Jul 2013
77% complete
MRI
Case
Brain metastases: an extra-axial lesion mimmicking a meningioma
Diagnosis almost certain
Published 09 Feb 2016
77% complete
MRI
Case
Ependymoma (infratentorial)
Diagnosis almost certain
Published 16 Jul 2013
80% complete
MRI
Case
Cerebral arteriovenous malformation
Diagnosis certain
Published 20 Jul 2013
86% complete
MRI
Case
Cerebellar metastases
Diagnosis certain
Published 25 Jul 2013
95% complete
MRI
Case
Spinal schwannoma
Diagnosis certain
Published 30 Jul 2013
92% complete
CTMRI
Case
L4/5 left paracentral disk extrusion with left L5 and S1 nerve root compression and left S1 nerve root enhancement
Diagnosis certain
Published 06 Oct 2013
92% complete
MRI
Case
Right tentorium cerebelli subdural hematoma
Diagnosis certain
Published 28 Nov 2013
95% complete
CT
Case
Post surgical extra-axial collection
Diagnosis certain
Published 29 Nov 2013
89% complete
CT
Case
Falx cerebri and tentorium cerebelli subdural hematoma
Diagnosis certain
Published 03 Jan 2014
89% complete
CT
Article
Cauda equina syndrome
Cauda equina syndrome is considered an incomplete cord syndrome, even though it occurs below the conus, and refers to a collection of symptoms and signs that result from severe compression of the descending lumbar and sacral nerve roots. It is most commonly caused by an acutely extruded lumbar d...
Article
Spinal epidural abscess
Spinal epidural abscess represents infection of the epidural space, located between the spinal dura mater and the vertebral periosteum. It can present with rapidly deteriorating neurological function due to compression. Imaging is best performed with MRI and emergency surgery is often required. ...
Case
Acute subdural hemorrhage - on warfarin
Diagnosis certain
Published 12 Sep 2014
100% complete
CT
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