Summary: Spinal Stenosis
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1 spinal stenosis
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WHAT IS SPINAL STENOSIS?
It is narrowing of the spinal canal or foramina causing posture-dependent neural compression. -
WHAT STRUCTURES CAUSE NARROWING?
Disc bulge/degeneration, facet joint hypertrophy, ligamentum flavum thickening, osteophytes. -
WHO TYPICALLY GETS SPINAL STENOSIS?
Older adults (>60 years) and degenerative spine. -
WHAT IS THE HALLMARK SYMPTOM OF LUMBAR SPINAL STENOSIS?
Neurogenic claudication. -
WHY DOES FLEXION RELIEVE SYMPTOMS?
It increases spinal canal diameter, reduces facet compression, decreases ligamentum flavum buckling. -
HOW DO YOU DIFFERENTIATE NEUROGENIC FROM VASCULAR CLAUDICATION?
Neurogenic relief is sitting/flexion; vascular relief is rest only. -
WHAT ARE TYPICAL OBJECTIVE FINDINGS?
Normal or mild neurological signs, symptoms reproduced with extension. -
WHAT ARE RED-FLAG SIGNS OF CERVICAL STENOSIS?
UMN signs: hyperreflexia, clonus, gait disturbance, hand clumsiness. -
WHAT ARE THE RED FLAGS TO CONSIDER?
Rapid neurological deterioration, bowel/bladder dysfunction, saddle anaesthesia. -
WHAT IS SPINAL STENOSIS? (ONE-PAGE EXAM SUMMARY)
It is a degenerative narrowing of the spinal canal producing posture-dependent neurogenic claudication.
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