Yersinia - A Rarer Cause of Terminal Ileitis

Yersinia enterocolitica is a rare cause of terminal ileitis which can be mistaken for Crohn’s disease. We present a case where Yersinia Enterocolitica was found to be the cause of a patient’s presentation but who had already received treatment for suspected IBD. Diagnosis was complicated by positive stool microbiology yet negative serology. We discuss laboratory testing and how these tests may not be straightforward in reaching the diagnosis. Lastly, we explore the link between Yersinia entercolitica infection and the development of IBD in infected patients.