Choledochoduodenostomy in a cat with extrahepatic biliary obstruction: simple side-to-side anastomosis technique

Abstract Case summary: An 8-year-old castrated male mixed-breed cat was presented with recurrent vomiting, weight loss and abdominal distension. Blood work revealed hyperbilirubinaemia and elevated liver enzyme activities. Abdominal ultrasound and CT showed marked dilation and obstruction of the common bile duct (CBD) due to chronic cholecystitis and cholangiohepatitis. The cat was diagnosed with CBD obstruction secondary to chronic cholecystitis and cholangiohepatitis and was initially treated with antibiotics and prednisolone. Surgical intervention was performed because of complete CBD obstruction and