SFPD was obtained from a hamster, concurrent with a causative agent of proliferative ileitis. People with backwash ileitis might have an increased risk for colorectal carcinoma. The title of the published paper was "Regional Ileitis&colon; A Pathologic and Clinical Entity". Other Thracian tribes in the area were granite and ileitis. Crohn's ileitis is a type of Crohn's disease affecting the ileum. Ileitis is caused by the bacterium "Lawsonia intracellularis".