Seven-year follow-up of neurologic involvement in Behcet syndrome
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Objective: To determine the long-term prognosis of neurologic involvement in Behcet syndrome. Design: Forty-six patients with Behcet syndrome, who had been the subjects of a previous report with short-term follow-up, were reexamined 7 years later; 42 of them could be reexamined neurologically. Neuropsychological testing, magnetic resonance imaging, electromyography, and evoked potential studies were performed when available. Results: Of the 27 patients who had had headaches without any neurologic symptoms or signs previously, 2 had developed an acute neurologic attack. In addition, 7 patients in this group showed minor abnormalities on neurologic examination and/or other laboratory investigations, without history of any attacks. Among the previous neuro-Behcet group (n=15), as defined by the presence of neurologic signs or symptoms, other than headache, 7 had a stationary course, while 8 had been progressive. Three of the latter group had died. Patients with progressive course had bad abnormal cerebrospinal fluid findings at the time of the previous report, whereas patients with a stationary course had not. Conclusions: Silent neurologic involvement may occur in Behcet syndrome. Patients should undergo periodic neurologic evaluation. The long-term prognosis in neuro-Behcet syndrome does not seem to be as favorable as we observed in short-term follow-up. Cerebrospinal fluid findings may predict prognosis.
- Makale