ABSTRACT
Twenty-six patients with Behcet's disease [BD] [15 patients with active disease and 11 with inactive disease] and 20 healthy subjects, as a control group, were included in this study. All patients and controls were subjected to measurement of plasma levels of von Willebrand factor [vWF] and thrombomodulin [TM] as well as serum NO, in addition to complete blood picture, erythrocyte sedimentation rate [ESR] and C-reactive protein [CRP]. The results showed that, means of vWF, TM and NO levels were significantly higher in BD patients than controls. Mean levels of vWF were high in patients with recurrent oral ulcer [ROU] and those with arthritis/arthralgia. Mean values of NO were significantly high in patients with ROU, RGU, patients with arthritis/arthralgia and thrombosis. Mean levels of vWF, TM and NO were significantly higher in active group than inactive group. Positive correlations were found between vWF with ESR2, CRP, TM and NO. Also, positive correlations were found between TM with ESR1 and ESR2. Also, positive correlations were found between NO with ESR1, ESR2 and CRP