L5-S1 Disc Protrusion with Nerve Compression: MRI Findings and Implications
MRI shows a prominent left anterolateral disc protrusion at L5-S1 compressing the lateral recess and neural foramen, causing nerve root effacement and displacement. This typically produces L5/S1 radiculopathy: low back pain, buttock/leg pain, numbness, tingling, or weakness. Management may include pain control, physical therapy, epidural steroid injections, or surgical decompression (microdiscectomy) based on severity and response to conservative care.
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