{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T07:21:29Z","timestamp":1761895289364},"reference-count":15,"publisher":"Hindawi Limited","license":[{"start":{"date-parts":[[2011,1,1]],"date-time":"2011-01-01T00:00:00Z","timestamp":1293840000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Case Reports in Medicine"],"published-print":{"date-parts":[[2011]]},"abstract":"<jats:p><jats:italic>Introduction<\/jats:italic>. Carcinoid tumors are low-grade tumors originating from endoderm and mostly involving the gastrointestinal system. However; they may be seen in any site within the gastrointestinal system.<jats:italic>Case Presentation<\/jats:italic>. A 69-year-old female patient. The results of blood tests were observed to be consistent with obstructive jaundice. A mass appearance was not encountered on tomographic examination. Papilla that was tumor-like macroscopically was seen in the second part of the duodenum in diagnostic endoscopy. Pylorus\u2014preserving pancreaticoduodenectomy surgical procedure was applied. On pathological examination of the mass, a tumoral mass was detected in ampulla vateri localization, 1.5 \u00d7 1 \u00d7 0.8\u2009cm in size, which, in immunohistochemical staining, was evaluated as a neuroendocrine tumor. Also, Metastasis was observed.<jats:italic>Conclusion<\/jats:italic>. The rarest type of carcinoid tumor is ampullary located carcinoid tumor, and tumor size is not a reliable indicator for tumor aggressivity in ampullary carcinoid tumors.<\/jats:p>","DOI":"10.1155\/2011\/173036","type":"journal-article","created":{"date-parts":[[2011,5,31]],"date-time":"2011-05-31T19:33:18Z","timestamp":1306870398000},"page":"1-3","source":"Crossref","is-referenced-by-count":4,"title":["The Rare Malignancy of the Hepatobiliary System: Ampullary Carcinoid Tumor"],"prefix":"10.1155","volume":"2011","author":[{"given":"Mustafa","family":"Ozsoy","sequence":"first","affiliation":[{"name":"Department of General Surgery, Manisa State Hospital, 45000 Manisa, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yucel","family":"Ozsoy","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Manisa State Hospital, 45000 Manisa, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aras Emre","family":"Canda","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Dokuz Eylul University School of Medicine, Izmir, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Olcay Ak","family":"Nalbant","sequence":"additional","affiliation":[{"name":"Department of Pathology, Manisa State Hospital, Manisa, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fatih","family":"Haskaraca","sequence":"additional","affiliation":[{"name":"Department of General Surgery, Merkezefendi State Hospital, Manisa, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"98","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1440-1746.2005.03744.x"},{"key":"2","first-page":"426","volume":"1","year":"1907","journal-title":"Frank- furter Zeitschrift fur Pathologie"},{"issue":"6","key":"3","doi-asserted-by":"crossref","first-page":"1580","DOI":"10.1002\/1097-0142(19940315)73:6<1580::AID-CNCR2820730608>3.0.CO;2-0","volume":"73","year":"1994","journal-title":"Cancer"},{"issue":"4","key":"4","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1590\/S1807-59322006000400017","volume":"61","year":"2006","journal-title":"Clinics"},{"issue":"5","key":"5","first-page":"320","volume":"58","year":"2005","journal-title":"Magyar Seb\u00e9szet"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1016\/j.prp.2007.04.012"},{"key":"7","year":"2000"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1007\/s002689900021"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2005.03.038"},{"issue":"6","key":"10","doi-asserted-by":"crossref","first-page":"1241","DOI":"10.1002\/(SICI)1097-0142(19990315)85:6<1241::AID-CNCR5>3.0.CO;2-4","volume":"85","year":"1999","journal-title":"Cancer"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1007\/s11605-007-0389-3"},{"issue":"4","key":"12","doi-asserted-by":"crossref","first-page":"257","DOI":"10.3904\/kjim.2004.19.4.257","volume":"19","year":"2004","journal-title":"Korean Journal of Internal Medicine"},{"issue":"3","key":"13","doi-asserted-by":"crossref","first-page":"686","DOI":"10.1002\/1097-0142(19930201)71:3<686::AID-CNCR2820710306>3.0.CO;2-Z","volume":"71","year":"1993","journal-title":"Cancer"},{"key":"14","doi-asserted-by":"publisher","DOI":"10.1016\/S1091-255X(03)00114-8"},{"key":"15","first-page":"3","volume-title":"Etiology. 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