Items tagged “neuroradiology”
170 results found
Case
Myxopapillary ependymoma
Published
29 Jan 2009
80% complete
MRI
Case
Leukemic infiltration of the spinal cord
Published
29 Jan 2009
86% complete
Annotated image
MRI
Case
Spinal fracture dislocation C3-4
Published
30 Jan 2009
81% complete
MRI
Case
Vertebral lymphoma
Published
04 Feb 2009
77% complete
MRI
Case
Arachnoid cyst - spinal
Published
24 Feb 2009
98% complete
Annotated image
MRI
CT
Article
Spinal arachnoid cyst
Spinal arachnoid cysts are relatively uncommon and may be either intradural (type III meningeal cyst) or extradural (type IA meningeal cyst).
This article specifically focuses on spinal arachnoid cysts. For a general discussion of arachnoid cysts, refer to the main article: arachnoid cyst.
Epi...
Case
Lipomyelocele
Published
11 Mar 2009
87% complete
MRI
CT
Article
Chiari malformations
Chiari malformations are a group of defects associated with congenital caudal 'displacement' of the cerebellum and brainstem.
Classification
Initial descriptions were based on autopsy observations. Three types were described, with others added later. Types II and III are thought to be related ...
Article
Chiari II malformation
Chiari II malformations are relatively common congenital malformations of the spine and posterior fossa characterized by myelomeningocele (lumbosacral spina bifida aperta) and a small posterior fossa with descent of the brainstem, cerebellar tonsils, and vermis through the foramen magnum. Numero...
Article
Vertebral artery thrombosis
Vertebral artery thrombosis results in complete or partial occlusion of the vertebral artery and alteration of blood flow to the posterior cerebral circulation. Ischemia or infarction to structures supplied by these arteries may result in a range of symptoms.
brainstem
cerebellum
occipital lo...
Case
Facet joint dislocation - bilateral
Published
15 Apr 2009
62% complete
CT
Case
Tarlov cysts
Published
23 May 2009
50% complete
MRI
Article
Spinal arteriovenous malformations
Spinal arteriovenous malformations (AVMs) are characterized by arteriovenous shunting with a true nidus. They represent ~25% of spinal vascular malformations.
Epidemiology
Different types of spinal AVM (see below) have different ages of presentation, but overall 80% present between the age of...
Article
Foix-Alajouanine syndrome
Foix-Alajouanine syndrome refers to subacute, progressive myelopathy due to venous hypertension from a spinal dural arteriovenous fistula.
Clinical presentation
Patients have paraparesis (leg weakness), sensory loss in the legs, and loss of bowel and bladder sphincter control 1.
Pathology
Sp...
Case
Hemivertebra with congenital scoliosis
Published
26 Aug 2009
59% complete
MRI
CT
Case
C6-7 fracture-dislocation
Published
26 Aug 2009
92% complete
CT
X-ray
MRI
Case
Schwannoma (intrathecal)
Published
10 Sep 2009
71% complete
MRI
Case
Spinal arteriovenous fistula: S1 origin
Published
16 Sep 2009
86% complete
DSA (angiography)
MRI
Article
Diastematomyelia
Diastematomyelia, also known as a split cord malformation, refers to a type of spinal dysraphism (spina bifida occulta) when there is a longitudinal split in the spinal cord.
Terminology
Although traditionally it has been distinguished from diplomyelia (in which the cord is duplicated rather ...
Article
Horner syndrome
Horner syndrome classically presents as an ipsilateral enophthalmos, blepharoptosis, pupillary miosis and facial anhidrosis due to disruption at some point of the oculosympathetic pathway.
Ptosis is due to interruption of the sympathetic motor innervation of the superior tarsal muscle which is ...