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ABSTRACT: Cerebrovenous thrombosis is quite rare in infammatory bowel disease. There are only a few reports of this association in the literature. We report 2 cases of patients with Crohn's disease (CD) who developed cerebral thrombophlebitis confirmed by neuroimaging. The first case was a 35-year-old man with a history of CD who presented with acute confusion. Brain magnetic resonance imaging demonstrated a left temporoparietal infarction and thrombosis of the left lateral sinus. Coagulation studies showed a marked protein S deficiency. His condition improved significantly after initiation of anticoagulant therapy. The second case was a 38-year-old woman who was admitted for a sudden loss of consciousness with tetraplegia. Brain computed tomography revealed a profound cerebrovenous thrombosis. She died within a few days after admission. Inflammatory bowel disease carries an increased risk of venous and arterial thrombosis. Although the pathogenic mechanisms of this predisposition are unclear, a possible role of inherited risk factors for thrombosis in determining this predisposition has been suggested. In these cases, both fibrinolysis and coagulation are activated as well.
Journal of stroke and cerebrovascular diseases: the official journal of National Stroke Association 11/2011; 20(6):565-9. DOI:10.1016/j.jstrokecerebrovasdis.2010.02.025