Researchers examined 26 consecutive patients with low back pain. The patients underwent MRI and discography. HIZ appeared in the involved intervertebral discs on T2-weighted MRI and lumbar discography was performed on each patient. All patients received posterior lumbar interbody fusion procedures.
The histologic study of the consecutive sagittal slices of the HIZ showed several proliferated small round cells and fibroblasts, according to the report.
Read the abstract about high intensity zones in patients with low back pain.
Read other coverage on spine surgery studies:
– Study Finds Spine surgeons Agree on When to Perform Surgery, Disagree on the Appropriate Procedure
– Study: Spine Surgery Better for Diabetic Patients With Spinal Stenosis, Degenerative Spondylolisthesis
– Study: Rigid Occipitocervical Construct Best During Cervical Spine Surgery
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