2017 Volume 59 Issue 1 Pages 62-67
We report a rare case of a bile duct stone whose formation was induced by a fish bone that had migrated into the bile duct after pancreatoduodenectomy. A 71-year-old man was admitted to our hospital because of high fever and elevated liver function test. Abdominal computed tomography （CT） detected a foreign body and a stone in a bile duct, and also showed severe cholangitis. The foreign body was suspected of being a fish bone due to its linear appearance and CT density. Single balloon enteroscopy was performed to remove the foreign body and stone from the bile duct. The pathological diagnosis of the foreign body was that it was a bone. Based on the results of pathological diagnosis and the lifestyle habit of the patient, we considered that it was a fish bone. In conclusion, a bile duct stone whose formation was induced by a fish bone after pancreatoduodenectomy is rare, and we need to be aware of such possibility.
