Spondylolisthesis shown to require additional fusion segment once its degree of instability, not visible by recumbent-only MRI, was demonstrated by Fonar Upright MRI.
Clinical Case Overview The patient was a 49-year-old male who had had a 20-year history of chronic back pain and a three-year history of right lower extremity radiculopathy. Prior to the Upright™ scan, the patient was scanned in a recumbent-only MRI (1.5T). It showed a right paracentral disk herniation at L5-S1. Based on the recumbent images, neurosurgeon Bennie W. Chiles