Takayasu's arteritis associated with Crohn's disease: a case report.

Introduction: The simultaneous presence of Takayasu's arteritis and Crohn's disease in a patient seems to be rare. To our knowledge, no patient with the combination of Crohn's disease and Takayasu's arteritis has been reported from our region.

Case Presentation: Herein we present the case of a 22-year-old Iranian woman previously diagnosed as Crohn's disease and who had subsequently developed Takayasu's arteritis.

Pattern of relapses in Iranian patients with ulcerative colitis. A prospective study.

Background: The pattern of relapses in patients with ulcerative colitis (UC) has a significant role in taking decisions about the therapy and the follow up of patients. This study is designed to find out the pattern, time and severity of relapses in Iranian patients with UC.

Method: From 1991 to 2003, a period of 13 years, the pattern of relapses in 163 patients with UC who had been admitted to a private referral gastroenterology clinic in Iran were evaluated.