Fig. 14. Computed tomography (CT) and schema of transduodenal ampullectomy. A. Schema of transduodenal ampullectomy. Different resection margins between.

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Fig. 14. Computed tomography (CT) and schema of transduodenal ampullectomy. A. Schema of transduodenal ampullectomy. Different resection margins between ampullectomy and papillectomy are shown. Red line shows resection margin of ampullectomy, cutting pancreatic duct and common bile duct (CBD). In contrast, resection margin of papillectomy does not include pancreatic duct and CBD (blue line). B, C. Intraoperative image (upper right corner) showing ampulla removed through transduodenal approach. Postoperative CT image shows irregular wall of duodenum and adjacent fluid collection and fat infiltration. Postoperative coronal (B) and axial (C) CT images show irregular thickening of duodenal wall with adjacent fluid collection and fat infiltration. Inserted t-tube within duct is noted in coronal CT image and intraoperative photography just before repositioning between duodenal mucosa and bile duct and pancreatic duct. Internal short stents are inserted to bile duct and pancreatic duct (arrow in B). Fig. 14. Computed tomography (CT) and schema of transduodenal ampullectomy. A. Schema of transduodenal ampullectomy. Different resection margins between ampullectomy and papillectomy are shown. Red line shows resection margin of ampullectomy, cutting pancreatic duct and common bile duct (CBD). In contrast, resection margin of papillectomy does not include pancreatic. . . Korean J Radiol. 2017 Mar-Apr;18(2):299-308. https://doi.org/10.3348/kjr.2017.18.2.299