[Spontaneous and simultaneous external and internal double biliary fistula].

An exceptional case is presented of double biliary fistula, internal (to duodenum) and external (to the abdominal wall) in a patient with cholelithiasis of long evolution. The diagnosis of suspicion was made by CAT and was confirmed in the surgical act. Treatment was cholecystectomy, closure of the duodenal communication and external drainage of the parietal abscess. The postoperative evolution coursed without complications.