Search results for “disc sequestration”
13 results found
Article
Disc sequestration
Sequestrated disc, also referred to as a free disc fragment, corresponds to extruded disc material that has no continuity with the parent disc and is displaced away from the site of extrusion. By definition, it corresponds to a subtype of disc extrusion.
The term "migrated" disc refers only to ...
Case
Disc sequestration
Published
20 Sep 2022
74% complete
MRI
Case
Disc sequestration
Published
02 Aug 2021
68% complete
MRI
Article
Dorsal epidural disc migration
Dorsal epidural disc migration represents, as the name suggests, migration of disc material, usually a sequestrated disc fragment, into the dorsal (posterior) epidural space, posterior to the theca. This is a rare occurrence, often not suspected preoperatively and is almost invariably encountere...
Article
Disc extrusion
Disc extrusion is a type of intervertebral disc herniation and is distinguished from a disc protrusion in that it:
in at least one plane, has a broader dome (B) than a neck (A)
and/or
extends above or below the disc level (into the suprapedicular or infrapedicular zone)
Disc extrusions are a...
Article
Degenerated disc
Degenerated discs are a very common entity in the spine, encountered with increasing frequency throughout life and becoming almost universal in late adulthood to a varying degree. It contributes to billions of dollars in healthcare costs and lost productivity every year due to associated morbidi...
Article
Spinal epidural cystic lesions
Spinal epidural cystic lesions are fluid-filled lesions within the spinal canal but outside the thecal sac. Their clinical significance is as a potential contributor to spinal cord or nerve root impingement. Simple appearing spinal epidural cysts may represent several entities that differ by ori...
Article
Intervertebral disc disease nomenclature
Intervertebral disc disease nomenclature has changed over the years, and a familiarity with current definitions is essential if clear communication is to be achieved via radiology reports or referrals, especially as lumbar disc disease is a common problem and a source of a great deal of imaging....
Case
Lumbar disc extrusion
Published
26 Sep 2016
90% complete
MRI
Photo
Case
Lumbar foraminal disc extrusion
Published
16 Apr 2020
100% complete
Annotated image
MRI
Article
Lumbar disc disease
Lumbar disc disease is a very common entity with a high asymptomatic prevalence. Intervertebral disc abnormalities are found in 25% of individuals below the age of 60, and over 50% in those over the age of 60. It is therefore not enough to demonstrate a disc lesion in someone with non-specific b...
Case
Disc extrusion (diagnostic discography)
Published
27 Sep 2012
89% complete
X-ray
MRI
CT
Case
Disc herniation affecting transiting nerve root - lumbar spine
Published
10 May 2018
44% complete
Diagram