A review of the literature on three extraintestinal complications of ulcerative colitis: an ulcerative colitis flare complicated by Budd-Chiari syndrome, cerebral venous thrombosis and idiopathic thrombocytopenia.

Extraintestinal manifestations are well described and recognized in association with ulcerative colitis. Immunologically mediated and thrombotic events are among the more rare manifestations associated with flares. These manifestations include Budd-Chiari syndrome, idiopathic thrombocytopenia, and cerebral venous thrombosis.