Surgical method choice and coincidence rate of pathological diagnoses in transduodenal ampullectomy: A retrospective case series study and review of the literature

Figure 2 Magnetic resonance imaging and upper gastrointestinal iodine oil radiography. A: Magnetic resonance imaging (MRI) T2-weighted imaging (T2WI) showing bile duct and pancreatic duct expansion; B: Enhanced MRI T1-weighted imaging (T1WI) showing bile duct and pancreatic duct expansion; C: Magnetic resonance cholangiopancreatography showing bile duct and pancreatic duct expansion and separation in the ampulla; D: Coronal MRI T1WI showing bile duct and pancreatic duct expansion; E: Upper gastrointestinal iodine oil radiography 6 mo after operation; gastric jejunum anastomosis showed stronger gastric emptying function; F: Common bile duct and pancreatic duct nonvisualization; no bile reflux in different phases.