Which of the following types of acquired spinal stenosis would be best evaluated with contrast-enhanced MRI?

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Postsurgical spinal stenosis is best evaluated with a contrast-enhanced MRI because it can visualize scar tissue and abnormal blood vessels that may contribute to stenosis. Contrast-enhanced MRI is not typically used for other types of acquired spinal stenosis such as ossification of the posterior longitudinal ligament, spondylolisthesis, or metabolic causes.

Which of the Following Types of Acquired Spinal Stenosis Would