Lumbar Spinal Stenosis Flashcards

1
Q

What are the ligaments in the spine? (5)

A

Ligamentum flavum
Anterior longitudinal ligament
Posterior longitudinal ligament
Supraspinous ligament
Interspinous ligament

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2
Q

What is Spinal claudication?

A

Clinical term for weakest of the legs that gets worse specifically with walking but eases with rest

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3
Q

What is Lumbar stenosis?

A

Associated with spinal claudication

Narrowing of the spinal canal

Causing compression of the spinal cord and nerves

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4
Q

What are some of the common causes of Lumbar stenosis?

A

Herniated intervertebral discs
Bone spurs
Thickened spinal ligaments

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5
Q

What is lateral lumbar stenosis?

A

LLS is caused secondary to superior Articulating process (SAP) hypertrophy

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6
Q

What is medial lumber stenosis?

A

MLS is caused secondary to inferior articulating process (IAP) hypertrophy

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7
Q

What causes central lumbar stenosis?

A

Due to hypertrophic spurring, bony projection or ligamentum flavum/ laminar thickening

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8
Q

What sign is visible with laminar thickening?

A

Fleur de lis ( clover leaf) - is a sign of spinal stenosis cased by laminar thickening with subsequent posterolateral bulging

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9
Q

What are the treatments options for lumbar stenosis?

A

Laminectomy - allows access to the cord and relived press use in the Canal

Foraminotomy
Lumbar microdiscectomy
Interspinous process distractors

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