A Case of Extramedullary Plasmacytoma of the Biliary Tract with a Poor Prognosis

Extramedullary plasmacytoma (EMP) is a rare disease consisting of the presence monoclonal plasma cells in tissues other than bone. Most EMPs are located head and neck region. We present an extremely case EMP originating from biliary tract 76-year-old male. This fifth report primary arising tract. He was diagnosed with jaundice, he referred for additional examination. Abdominal ultrasonography revealed tumor gallbladder bile ducts, duct biopsy performed via endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). The pathological immunohistochemical examination that Although drainage performed, infection not well controlled due to obstructive jaundice caused by tumor. Furthermore, bleeding during chemotherapy uncontrolled. Pancreaticoduodenectomy cholecystectomy were control bleeding. continued after surgery, intrahepatic enlarged. died seven months diagnosis because treatment-resistant