A rare case report of an ilio-psoas abscess due to entero-retroperitoneal fistula from gallstones post cholecystectomy

Abstract Ilio-psoas abscess due to gallstone entero-retroperitoneal fistulation post-cholecystectomy has not been reported previously. De-novo stone formation in the CBD can occur post-cholecystectomy and can lead to complications. Surgeons should consider gallstones as a differential in small bowel fistulation. Article type: Case Report Keywords: Gallstone, Fistula, Abscess, Cholecystectomy, Delayed presentation Authors: Daniel Campioni-Norman, Jack Faulkner, Lalit Kumar, Andrew Day Affiliations: Imperial College London, Department of Cancer and Surgery, United Kingdom; Ashford and St Peters Hospital, Surgery, United Kingdom License: ©