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您的检索式：作者名="YukariShimada"
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| 1 | Rapid transformation of branched pancreatic duct-derived intraductal tubulopapillary neoplasm into an invasive carcinoma: A case report显示文摘BACKGROUND Intraductal tubulopapillary neoplasm(ITPN)is a rare disease accounting for approximately 3%of all intraductal pancreatic tumors,with intraductal papillary mucinous neoplasm(IPMN)being one of the most common differential diagnoses.Both ITPN and IPMN display slow growth.A branched pancreatic duct type is commonly observed in IPMN,whereas ITPN derived from the branched pancreatic duct has been reported in a limited number of cases;hence,its pathogenesis remains unclear.CASE SUMMARY Here,we present the case of a patient with ITPN localized in a branched pancreatic duct,with poorly controlled irritable bowel syndrome.A contrastenhanced computed tomography scan of the abdomen incidentally revealed a 5-mm oligemic nodule-like change in the body of the pancreas.Endoscopic ultrasound(EUS)indicated a 10-mm hypoechoic mass without any cystic structures that had grown within 2 mo.EUS-guided fine needle aspiration was performed for definitive diagnosis,and the findings suggested ductal papillary carcinoma.Distal pancreatectomy was performed,and the tumor was pathologically diagnosed as ITPN with an invasive cancerous component,pT3N1aM0,pStage IIB(International Cancer Control,8^(th) edition).The patient underwent treatment with postoperative adjuvant chemotherapy(S-1 monotherapy);however,relapse was observed 1 year and 10 mo after surgical resection,and subsequent treatment involving a combination of chemotherapy and radiotherapy was administered.Maintenance therapy has since facilitated a stable disease state.CONCLUSION Regardless of the microscopic size of the neoplasm,early diagnosis of ITPN with EUS-guided fine needle aspiration and surgical resection are crucial. | Kenta Yamamoto Yutaka Takada Takuya Kobayashi Ryo Ito Yuka Ikeda Shogo Ota Kanna Adachi YukariShimada Motohito Hayashi Toshinao Itani Satsuki Asai Kojiro Nakamura | 2023 | World Journal of Clinical Oncology2023，14，12： | 0 |
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