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Lumbar spinal stenosis — MCCQE Part 1 MCQ

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ModerateBack PainLumbar spinal stenosisMCCQE Part 1

A 71-year-old woman has bilateral leg pain walking 200m, relieved by sitting and leaning forward. Burning aching in buttocks and thighs. Intact pulses. MRI: multilevel spondylosis with central stenosis L3-L5. Most likely diagnosis?

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Correct answer: D — Neurogenic claudication from lumbar spinal stenosis

Neurogenic claudication: bilateral leg pain with walking, relieved by sitting/flexion. Differs from vascular claudication (relieved by stopping, diminished pulses). Intact pulses excludes PAD.

Reference: Canadian Spine Society Guidelines