Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 17 3 2022 09 05 A Schistosoma Colitis Case Misdiagnosed as Ulcerative Colitis in a Non-Endemic Area: A Case Report 431 435 Çağatay Ak Department of Gastroenterology, Umraniye Training and Research Hospital, Health Sciences University, Istanbul, Turkey Süleyman Sayar Department of Gastroenterology, Umraniye Training and Research Hospital, Health Sciences University, Istanbul, Turkey Ebru Tarıkçı Kılıç Department of Anesthesiology, Umraniye Training and Research Hospital, Health Science University, Istanbul, Turkey 2021 10 31 2022 09 05 The differential diagnosis of bloody diarrhea is necessary to specify etiology and plan treatment. Misdiagnosis can lead to catastrophic results with the treatments to be given.  In this case report, we present a case of schistosomal colitis mimicking ulcerative colitis in a 26-year-old Guinean male patient diagnosed in 2021. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/3496 https://ijpa.tums.ac.ir/index.php/ijpa/article/download/3496/1241