Endoscopic transpapillary sampling methods for bile duct cancer: may intraductal aspiration improve diagnosis?

MeSH terms

• Bile / cytology*
• Bile Duct Neoplasms / diagnosis*
• Bile Ducts, Intrahepatic*
• Biopsy / methods*
• Cholangiocarcinoma / diagnosis*
• Cholangiopancreatography, Endoscopic Retrograde / methods*
• Drainage / methods*
• Female
• Humans
• Male