Classification of disk herniations Flashcards

0
Q

Prolapse

A

Annular fibers disrupted

Nucleus has migrated through the inner laminar layers, still contained

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1
Q

Protrusion

A

Annular fibers intact
A bulge
Localized annular bulge is usually lateral
Diffuse annular bulge is usually posterior

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2
Q

Extrusion

A

Nucleus has broken through the outermost layer

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3
Q

Sequestration

A

Nucleus separate from disk and is in the spinal or intervertebral canal
Outlook is good, the body will degrade the nucleus

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