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Lumbar disc herniation — UKMLA MCQ

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ModerateSpineLumbar disc herniationUKMLA

A 36-year-old rower has low back pain radiating below the knee with paraesthesia in the lateral foot. Straight-leg raise reproduces leg pain and ankle reflex is reduced. What is the most likely diagnosis?

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Correct answer: A — Lumbar radiculopathy from disc herniation

Dermatomal leg pain, positive straight-leg raise and reflex change suggest lumbar radiculopathy. Disc herniation is common in this presentation. Red flags and progressive motor deficit guide urgency of imaging and referral.

Reference: NICE CKS low back pain