{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,27]],"date-time":"2025-12-27T04:58:38Z","timestamp":1766811518173,"version":"3.48.0"},"reference-count":19,"publisher":"Japan Surgical Society","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Surg Case Rep"],"published-print":{"date-parts":[[2025]]},"DOI":"10.70352\/scrj.cr.25-0663","type":"journal-article","created":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T22:09:49Z","timestamp":1766441389000},"page":"n\/a","source":"Crossref","is-referenced-by-count":0,"title":["Robotic Pancreaticoduodenectomy Using the <i>hinotori<\/i> Surgical System with Extended Resection for Type II Circumportal Pancreas: A Case Report"],"prefix":"10.70352","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4229-6324","authenticated-orcid":false,"given":"Noriyuki","family":"Egawa","sequence":"first","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, Saga University, Saga, Saga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takao","family":"Ide","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, Saga University, Saga, Saga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomokazu","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, Saga University, Saga, Saga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sachiko","family":"Nishinaka","sequence":"additional","affiliation":[{"name":"Department of Pathology & Microbiology, Faculty of Medicine, Saga University, Saga, Saga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keita","family":"Kai","sequence":"additional","affiliation":[{"name":"Department of Pathology, Saga University Hospital, Saga, Saga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hirokazu","family":"Noshiro","sequence":"additional","affiliation":[{"name":"Department of Surgery, Faculty of Medicine, Saga University, Saga, Saga, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"51119","reference":[{"key":"1","doi-asserted-by":"crossref","unstructured":"1) Karasaki H, Mizukami Y, Ishizaki A, et al. Portal annular pancreas, a notable pancreatic malformation: frequency, morphology, and implications for pancreatic surgery. Surgery 2009; 146: 515\u20138.","DOI":"10.1016\/j.surg.2009.03.018"},{"key":"2","unstructured":"2) Joseph P, Raju RS, Vyas FL, et al. Portal annular pancreas. A rare variant and a new classification. JOP 2010; 11: 453\u20135."},{"key":"3","doi-asserted-by":"crossref","unstructured":"3) Harnoss JM, Harnoss JC, Diener MK, et al. Portal annular pancreas: a systematic review of a clinical challenge. Pancreas 2014; 43: 981\u20136.","DOI":"10.1097\/MPA.0000000000000186"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4) Ohtsuka T, Mori Y, Ishigami K, et al. Clinical significance of circumportal pancreas, a rare congenital anomaly, in pancreatectomy. Am J Surg 2017; 214: 267\u201372.","DOI":"10.1016\/j.amjsurg.2016.11.018"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5) Luu AM, Braumann C, Herzog T, et al. Circumportal pancreas\u2014a must know pancreatic anomaly for the pancreatic surgeon. J Gastrointest Surg 2017; 21: 344\u201351.","DOI":"10.1007\/s11605-016-3315-8"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6) Muto J, Mano Y, Harada N, et al. Additional resection of the pancreas body prevents postoperative pancreas fistula in patients with portal annular pancreas who undergo pancreaticoduodenectomy. Case Rep Gastroenterol 2012; 6: 131\u20134.","DOI":"10.1159\/000335210"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7) Pandrowala S, Parray A, Chaudhari V, et al. Portal annular pancreas (PAP): an underestimated devil in pancreatic surgery\u2014systematic review of literature and case report. J Gastrointest Surg 2021; 25: 1332\u20139.","DOI":"10.1007\/s11605-021-04927-0"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8) Takagi K, Fuji T, Yamada M, et al. Robotic pancreatoduodenectomy in portal annular pancreas using a hanging maneuver with indocyanine green fluorescence imaging. Ann Surg Oncol 2024; 31: 1933\u20136.","DOI":"10.1245\/s10434-023-14685-9"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9) Tappouni R, Perumpillichira J, Sekala M, et al. Circumportal pancreas: imaging findings in 40 patients. Abdom Imaging 2015; 40: 521\u201330.","DOI":"10.1007\/s00261-014-0242-6"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10) Parray AM, Nadkarni S, Chaudhari V, et al. Pancreaticoduodenectomy in the portal annular pancreas-mesopancreas triangle approach (with video). Ann Surg Oncol 2023; 30: 5758\u201360.","DOI":"10.1245\/s10434-023-13782-z"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11) Sugiura Y, Shima S, Yonekawa H, et al. The hypertrophic uncinate process of the pancreas wrapping the superior mesenteric vein and artery \u2014a case report\u2014. Jpn J Surg 1987; 17: 182\u20135.","DOI":"10.1007\/BF02470596"},{"key":"12","unstructured":"12) Trede M. Embryology and surgical anatomy of the pancreas. In: Trede M, Carter DC, editors. Surgery of the pancreas. 2nd ed. New York: Churchill Livingstone; 1997."},{"key":"13","doi-asserted-by":"crossref","unstructured":"13) Ishigami K, Tajima T, Nishie A, et al. The prevalence of circumportal pancreas as shown by multidetector-row computed tomography. Insights Imaging 2011; 2: 409\u201314.","DOI":"10.1007\/s13244-011-0092-5"},{"key":"14","doi-asserted-by":"crossref","unstructured":"14) Yamazaki S, Kaneko T, Fujinaga Y, et al. CT and MRI features of unclassifiable pancreatic anomaly with superior mesenteric vein running through the pancreatic parenchyma. Eur J Radiol Extra 2005; 54: 59\u201361.","DOI":"10.1016\/j.ejrex.2005.03.007"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15) Yazawa N, Imaizumi T, Furukawa D, et al. An annular pancreas associated with carcinoma of the papilla of Vater: report of a case. Surg Today 2012; 42: 497\u2013501.","DOI":"10.1007\/s00595-011-0055-y"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16) Kobayashi S, Honda G, Kurata M, et al. Pancreaticoduodenectomy in portal annular pancreas: report of a case. Surg Today 2013; 43: 926\u20139.","DOI":"10.1007\/s00595-012-0280-z"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17) Gonoi W, Akahane M, Akai H, et al. Retroportal main pancreatic duct with circumportal pancreas: radiographic visualization. Clin Imaging 2011; 35: 442\u20136.","DOI":"10.1016\/j.clinimag.2011.01.002"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18) Imamura H, Adachi T, Yamashita M, et al. Minimally invasive pancreaticoduodenectomy for circumportal pancreas: literature review and report of two type IIIA cases. Surg Case Rep 2024; 10: 175.","DOI":"10.1186\/s40792-024-01979-7"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19) Matsumoto I, Shinzeki M, Fukumoto T, et al. An extremely rare portal annular pancreas for pancreaticoduodenectomy with a special note on the pancreatic duct management in the dorsal pancreas. Surgery 2013; 153: 434\u20136.","DOI":"10.1016\/j.surg.2011.08.017"}],"container-title":["Surgical Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/scrj\/11\/1\/11_cr.25-0663\/_pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,12,27]],"date-time":"2025-12-27T04:52:41Z","timestamp":1766811161000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.jstage.jst.go.jp\/article\/scrj\/11\/1\/11_cr.25-0663\/_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025]]},"references-count":19,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2025]]}},"URL":"https:\/\/doi.org\/10.70352\/scrj.cr.25-0663","relation":{},"ISSN":["2198-7793"],"issn-type":[{"type":"electronic","value":"2198-7793"}],"subject":[],"published":{"date-parts":[[2025]]},"article-number":"cr.25-0663"}}