Study on the composition, morphology and clinical features of common bile duct stones in elderly patients treated with endoscopic retrograde cholangiopancreatography

Objectives: To study the composition, morphology and clinical features of common bile duct (CBD) stones in elderly patients by endocopic retrograde cholangiopancreatography (ERCP). Subjects and methods: A cross-sectional study was conducted on 198 patients (106 patients over 60 years old) with CBD stones.