A 35-year-old member asked:
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could a herniated disk without nerve compression still cause sciatica pain?

2 doctor answers
Dr. Tariq Niazi
42 years experience Orthopedic Surgery
Sciatica= nerve com-: Pression of the nerves making the sciatic nerve. If no compression then sciatica is unlikely, except if the compression is by spurs of bone from arthritis or thickened l flavum or some other lesion after nerve has exited out of the spine.
Answered on Apr 26, 2019
Dr. Qamar Khan
16 years experience Pain Management
Annular tear: Sometimes the herniated disk has annular tear that releases the spongier nucleus pulposus out that can cause a chemical neuritis on the nerves that is similar to sciatica. Also if the MRI reflects any listhesis (slipping of one bone on the other) there may be a compression on the nerves that will not be appreciated on the MRI because you are lying down and not allowing gravity/forces to move it.
Answered on Sep 30, 2019
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1 comment
Dr. Richard Zimon
58 years experience Internal Medicine
Sciatic Pain can also be caused when the nerve is "trapped" by the Pyriformis muscle (Called Pyriformis syndrome) You need to see a muscloskeletal expert (Physiatrist) for a complete examination.
Dec 24, 2014

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A 42-year-old member asked:
Dr. Douglas Beall
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Absolutely: In fact most sciatica is not caused from frank nerve compression but mostly chemical irritation from the disc problem affecting the nerve.
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