Publications by authors named "Jun Ienaga"

Introduction: Duplication of the alimentary tract is a relatively uncommon congenital anomaly and most cases occur in childhood. Malignancy arising from a gastric duplication cyst is extremely rare. We herein report a very rare case of malignant transformation of a gastric duplication cyst.

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Aim: This study was planned to evaluate the efficacy and safety of preoperative capecitabine and oxaliplatin (XELOX) without radiation in patients with locally advanced lower rectal cancer.

Patients And Methods: Patients with clinical stage II/III lower rectal cancer underwent three cycles of XELOX followed by radical surgery. The primary end-point was the R0 resection rate.

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Objective: Invasive ductal carcinoma (DC) of the pancreas arising as an independent lesion in association with intraductal papillary mucinous neoplasm (IPMN) has occasionally been reported. However, clinicopathological features related to the presence of DC in patients with IPMN remain largely unknown. The purpose of the present study was to determine the factors predicting the presence of concomitant DC in those with IPMN.

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Objectives: In branch duct intraductal papillary mucinous neoplasm (IPMN) of the pancreas, the importance of the cyst size to predict malignancy is still controversial. Our aim was to elucidate the malignant potential of branch duct IPMN without mural nodules (flat branch duct IPMN).

Methods: Seventy-three patients with flat branch duct IPMNs were studied in our institution.

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Background: Prevention of iatrogenic injuries is of paramount importance in difficult laparoscopic cholecystectomies (LC). The objective of this study was to analyze the effectiveness of cholangiography using a pre-inserted endoscopic naso-biliary drain (ENBD) for navigation during difficult cholecystectomies.

Methods: The study design was a retrospective case analysis.

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