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  • Title: [Value of increased MRI signal intensity in cervical arthrosis in myelopathies].
    Author: Okais N, Moussa R, Hage P.
    Journal: Neurochirurgie; 1997; 43(5):285-90; discussion 290-1. PubMed ID: 9686232.
    Abstract:
    The case of 52 patients with cervical myelopathy were reviewed to determine whether a high signal intensity lesion present on T2 weighted spin echo imaging appears to be an important indicator for predicting prognosis. Preoperatively, there were areas of increased signal intensity in 23 patients. The lesion was clearly demonstrated on T1 weighted images in only one case. Postoperatively, MRI was performed in 9 cases, one showed decreased signal intensity compared to the preoperative levels, and 8 had no change. The pre and postoperative clinical conditions of the patients whose preoperative MR images showed areas of increase signal intensity were not worse than those patients who did not have these areas of increased signal intensity. The postoperative recovery of the eight patients who exhibited no change of the signal intensity was very satisfactory. The pathophysiology of such an abnormality is presumed to be related to edema, myelomalacia or gliosis. However, the presence of these areas of high signal intensity does not appear to be an indicator of a bad clinical prognosis.
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