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Disc Bulge vs. Protrusion vs. Extrusion vs. Sequestration: What Your MRI Report Means

Written by Ifije Ohiorhenuan, MD, PhD — Board-Certified Spine Surgeon. Last updated 2026-05-12.

SpineClarity provides educational information and written case-review support. It is not emergency care and does not replace an in-person evaluation with a licensed clinician. If you have new weakness, bowel or bladder changes, saddle numbness, fever with severe spine pain, recent major trauma, or rapidly worsening symptoms, seek urgent medical care.

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