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| Case#: 7 Fluctuating Spinal Stenosis & Position-Dependent Disc Herniation | ||||
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| The standing-extension sagittal image demonstrates marked stenosis of the central spinal canal that is the result of posterior disc protrusions extending into the anterior spinal canal and focal ligamentous infolding posteriorly. Compression of the cord is not evident on the recumbent scan. The standing-extension axial image reveals a position-dependent focal posterior disc herniation at C4/5 that is endangering the cord but is not visible in the recumbent position. | ||||
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