Search results for “disc sequestration”
8 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 ...
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
Catheter-associated mass
Catheter-associated mass, also known as catheter tip granuloma, is a relatively rare complication related to an intrathecal catheter.
Terminology
Although the term catheter tip granuloma is commonly found in the literature, some favor the more general term catheter-associated mass as they actu...
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....
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...
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