Babol University of Medical Sciences Caspian Journal of Surgery 3115-9087 2 1 2026 03 01 Biliary Ileus: An Intraoperative Observation of Gallstone Impaction in the Ileum 47 49 733798 10.22088/caspjs.2026.2084105.1049 EN Rezvan Zabihollahi Department of General Surgery, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran. 0000-0001-5061-3436 Maedeh Akhlaghi Department of General Surgery, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran. 0000-0003-1198-1986 Journal Article 2026 01 30 Biliary ileus is a rare but notable cause of mechanical intestinal obstruction, often seen in patients with a history of gallbladder disease. This image captures the intraoperative removal of a gallstone that had impacted in the ileum, obstructing the bowel. The case highlights the diagnostic and surgical importance of recognizing biliary ileus in the context of small bowel obstructions. https://www.caspjs.com/article_733798_6bcbac74b9dee78d90d90804ce683637.pdf