ArticleSurgical case reports2025
Successful Laparoscopic-Assisted Pancreaticoduodenectomy for a Neuroendocrine Tumor of the Papilla of Vater in Type 1 Portal Annular Pancreas.
Article in Surgical case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionPortal annular pancreas (PAP) is a rare anomaly of pancreatic embryology that is classified into three types according to the position of the main pancreatic duct. PAP type 1, in which the main pancreatic duct runs dorsal to the pancreas, is extremely rare. Herein, we describe a case of successful laparoscopic-assisted pancreaticoduodenectomy in a patient with type 1 PAP. CASE PRESENTATION: A 72-year-old Japanese woman with neck swelling was referred to our hospital. CT at admission showed dilation of the main pancreatic duct. After a thorough examination, a preoperative diagnosis of carcinoma of the papilla of Vater was made. Neck swelling was attributed to a lymphoma for which chemotherapy was administered. Upon remission, CT imaging indicated PAP type 1, and a laparoscopic-assisted pancreaticoduodenectomy was performed. The retroportal pancreas was dissected just below the portal vein, but anastomosis was difficult; therefore, the pancreas was moved to the anterior surface of the portal vein, and anastomosis was performed. Postoperative pancreatic leakage occurred but was relieved by drainage, and the patient was discharged 26 days postoperatively. The postoperative diagnosis was neuroendocrine tumor of the papilla of Vater.
conclusionsOnly one case of open pancreaticoduodenectomy for PAP type 1 has been reported previously. We successfully removed a neuroendocrine tumor from the papilla of Vater in a patient with PAP type 1 through laparoscopic-assisted pancreaticoduodenectomy and detailed the operative procedures for optimal outcomes in future cases.
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