Archive of Upright Multi-Position MRI Cases
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Case#: 15       Dynamic Fluctuation of Neural Foramen Stenosis with Flexion & Extension
         
Dynamic Fluctuation of Neural Foramen Stenosis with Flexion & Extension
The recumbent image shows the dimensions of the neural foramina at rest. The upright-flexion image demonstrates generalized widening of the neural foramina at all levels. The upright-extension image reveals narrowing of the S1 neural foramen dimension at all levels, especially at L5/S1 (arrow).

 

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