{"id":"https://openalex.org/W4403720546","doi":"https://doi.org/10.14309/01.ajg.0001049168.21675.b8","title":"S4950 Carcinoid Tumor in the Ampulla: A Case Report","display_name":"S4950 Carcinoid Tumor in the Ampulla: A Case Report","publication_year":2024,"publication_date":"2024-10-01","ids":{"openalex":"https://openalex.org/W4403720546","doi":"https://doi.org/10.14309/01.ajg.0001049168.21675.b8"},"language":"en","primary_location":{"id":"doi:10.14309/01.ajg.0001049168.21675.b8","doi":"https://doi.org/10.14309/01.ajg.0001049168.21675.b8","is_oa":false,"landing_page_url":"https://doi.org/10.14309/01.ajg.0001049168.21675.b8","pdf_url":null,"source":{"id":"https://openalex.org/S66441642","display_name":"The American Journal of Gastroenterology","issn_l":"0002-9270","issn":["0002-9270","1572-0241"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Gastroenterology","raw_type":"journal-article"},"volume":null,"type":"conference-abstract","is_traditional":false,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113270194","display_name":"Zhexiang He","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100184","display_name":"Conway Regional Health System","ror":"https://ror.org/019n7yz73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210100184"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Zhexiang He","raw_affiliation_strings":["Conway Regional Health System, Conway, AR;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Conway Regional Health System, Conway, AR;","institution_ids":["https://openalex.org/I4210100184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114391408","display_name":"Sweehoney Vujjini","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100184","display_name":"Conway Regional Health System","ror":"https://ror.org/019n7yz73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210100184"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sweehoney Vujjini","raw_affiliation_strings":["Conway Regional Health System, Conway, AR;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Conway Regional Health System, Conway, AR;","institution_ids":["https://openalex.org/I4210100184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033140163","display_name":"Lauren Park","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100184","display_name":"Conway Regional Health System","ror":"https://ror.org/019n7yz73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210100184"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lauren (Jiyoon) Park","raw_affiliation_strings":["Conway Regional Health System, Richmond Heights, OH"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Conway Regional Health System, Richmond Heights, OH","institution_ids":["https://openalex.org/I4210100184"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Sohaib Rana","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100184","display_name":"Conway Regional Health System","ror":"https://ror.org/019n7yz73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210100184"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sohaib Rana","raw_affiliation_strings":["Conway Regional Health System, Conway, AR;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Conway Regional Health System, Conway, AR;","institution_ids":["https://openalex.org/I4210100184"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114391409","display_name":"Greg Kendrick","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100184","display_name":"Conway Regional Health System","ror":"https://ror.org/019n7yz73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210100184"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Greg Kendrick","raw_affiliation_strings":["Conway Regional Health System, Conway, AR;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Conway Regional Health System, Conway, AR;","institution_ids":["https://openalex.org/I4210100184"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073962795","display_name":"Owen Maat","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210100184","display_name":"Conway Regional Health System","ror":"https://ror.org/019n7yz73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210100184"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Owen Maat","raw_affiliation_strings":["Conway Regional Health System, Conway, AR;"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Conway Regional Health System, Conway, AR;","institution_ids":["https://openalex.org/I4210100184"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113270194"],"corresponding_institution_ids":["https://openalex.org/I4210100184"],"apc_list":{"value":4390,"currency":"USD","value_usd":4390},"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"119","issue":"10S","first_page":"S3119","last_page":"S3119"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10754","display_name":"Neuroendocrine Tumor Research Advances","score":0.9746000170707703,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10754","display_name":"Neuroendocrine Tumor Research Advances","score":0.9746000170707703,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","score":0.008700000122189522,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","score":0.002199999988079071,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/carcinoid-tumor","display_name":"carcinoid tumor","score":0.9409999847412109},{"id":"https://openalex.org/keywords/ampulla-of-vater","display_name":"ampulla of Vater","score":1.0},{"id":"https://openalex.org/keywords/ampullary-neuroendocrine-tumor","display_name":"ampullary neuroendocrine tumor","score":0.7409999966621399},{"id":"https://openalex.org/keywords/enterochromaffin-cells","display_name":"enterochromaffin cells","score":0.7459999918937683},{"id":"https://openalex.org/keywords/biliary-obstruction","display_name":"biliary obstruction","score":0.6380000114440918},{"id":"https://openalex.org/keywords/common-bile-duct-stricture","display_name":"common bile duct stricture","score":0.8029999732971191},{"id":"https://openalex.org/keywords/neuroendocrine-carcinoma","display_name":"neuroendocrine carcinoma","score":0.49900001287460327},{"id":"https://openalex.org/keywords/synaptophysin","display_name":"synaptophysin","score":0.6209999918937683},{"id":"https://openalex.org/keywords/ki-67-proliferation-index","display_name":"Ki-67 proliferation index","score":0.7300000190734863},{"id":"https://openalex.org/keywords/atypical-presentation","display_name":"atypical presentation","score":0.4880000054836273},{"id":"https://openalex.org/keywords/leukocytosis","display_name":"leukocytosis","score":0.6359999775886536},{"id":"https://openalex.org/keywords/bile-duct-dilation","display_name":"bile duct dilatation","score":0.47200000286102295},{"id":"https://openalex.org/keywords/small-intestinal-mucosa","display_name":"small intestinal mucosa","score":0.4620000123977661}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9619699716567993},{"id":"https://openalex.org/C2777522975","wikidata":"https://www.wikidata.org/wiki/Q4748557","display_name":"Ampulla","level":2,"score":0.773914098739624},{"id":"https://openalex.org/C61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","level":1,"score":0.4624972343444824},{"id":"https://openalex.org/C2780840399","wikidata":"https://www.wikidata.org/wiki/Q594066","display_name":"Ampulla of Vater","level":3,"score":0.4414924085140228},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.23554447293281555},{"id":"https://openalex.org/C2777546739","wikidata":"https://www.wikidata.org/wiki/Q33525","display_name":"Carcinoma","level":2,"score":0.08960291743278503}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.14309/01.ajg.0001049168.21675.b8","doi":"https://doi.org/10.14309/01.ajg.0001049168.21675.b8","is_oa":false,"landing_page_url":"https://doi.org/10.14309/01.ajg.0001049168.21675.b8","pdf_url":null,"source":{"id":"https://openalex.org/S66441642","display_name":"The American Journal of Gastroenterology","issn_l":"0002-9270","issn":["0002-9270","1572-0241"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Gastroenterology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.98580002784729}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2402384349","https://openalex.org/W2978580410","https://openalex.org/W2402313972","https://openalex.org/W2031644702","https://openalex.org/W2914724881","https://openalex.org/W2074637943","https://openalex.org/W2404989526","https://openalex.org/W2069365687","https://openalex.org/W2441138547","https://openalex.org/W143020351"],"abstract_inverted_index":{"Introduction:":[0],"In":[1,72],"1867,":[2],"Theodor":[3],"Langhans":[4],"provided":[5],"the":[6,26,44,57,66,85,137,140,170,187,201,230,250,272,289,310,319,363],"first":[7],"histological":[8],"description":[9],"of":[10,52,68,79,87,102,113,150,158,169,180,200,209,235,249,274,309,321,331,362,374],"carcinoid":[11,81,280,311],"tumors.":[12],"These":[13],"tumors":[14,63,315],"are":[15,23,70,323],"believed":[16],"to":[17,295,340,394],"originate":[18],"from":[19,65,84],"enterochromaffin":[20],"cells":[21],"and":[22,60,105,117,152,172,178,219,240,254,283,288,353],"distributed":[24],"throughout":[25],"entire":[27],"gastrointestinal":[28,333,381],"system.":[29],"The":[30,40,91,123,212,244,300],"annual":[31],"incidence":[32],"rate":[33,292],"is":[34,43,93],"around":[35],"2.5":[36],"cases":[37,339],"per":[38],"100,000.":[39],"small":[41,268],"intestine":[42],"most":[45],"common":[46,188,202,251,255,397],"location,":[47],"accounting":[48,326],"for":[49,119,306,327],"approximately":[50,131,259,336],"44.7%":[51],"all":[53,332],"cases,":[54],"followed":[55],"by":[56],"rectum,":[58],"appendix,":[59],"stomach.":[61],"Carcinoid":[62],"originating":[64,83],"ampulla":[67,86,320],"Vater":[69,322],"rare.":[71],"this":[73],"report,":[74],"we":[75],"present":[76],"a":[77,80,94,120,145,181,206,220,224,275,359],"case":[78],"tumor":[82],"Vater.":[88],"Case":[89],"Description/Methods:":[90],"patient":[92,124,141,213,301,343,356],"69-year-old":[95],"Hispanic":[96],"woman":[97],"with":[98,111,144,205,271,335,346,379],"prior":[99],"medical":[100],"history":[101],"hypertension,":[103],"hypothyroidism,":[104],"anemia":[106],"presented":[107,345],"at":[108,229],"Emergency":[109],"Department":[110],"complaints":[112],"abdominal":[114,127,350],"pain,":[115,351],"nausea,":[116,352],"vomiting":[118],"few":[121],"days.":[122],"mentioned":[125],"intermittent":[126],"pain":[128],"that":[129,390],"started":[130],"4":[132],"months":[133],"ago.":[134],"While":[135],"in":[136,186,262,318,376],"emergency":[138],"department,":[139],"had":[142],"leukocytosis,":[143],"white":[146],"blood":[147],"cell":[148],"count":[149],"19,000,":[151],"an":[153],"elevated":[154],"total":[155,307],"bilirubin":[156],"level":[157],"1.3.":[159],"All":[160],"liver":[161,192],"enzymes":[162],"were":[163,238,286],"unremarkable.":[164],"A":[165],"computed":[166],"tomography":[167],"scan":[168],"abdomen":[171],"pelvis":[173],"showed":[174,246],"biliary":[175],"ductal":[176],"dilation":[177,199,248],"evidence":[179],"filling":[182],"defect":[183],"located":[184],"distally":[185],"bile":[189,203,256,398],"duct,":[190,204,257],"without":[191],"abnormalities.":[193],"Magnetic":[194],"resonance":[195],"cholangiopancreatography":[196,217],"reveals":[197],"mild":[198],"maximum":[207],"diameter":[208],"8":[210],"mm.":[211],"underwent":[214,302,358],"endoscopic":[215],"retrograde":[216],"(ERCP)":[218],"benign-appearing":[221],"stricture":[222,226,389],"resembling":[223],"single-shelf":[225],"was":[227,293,344,392],"observed":[228],"ampulla.":[231],"No":[232],"obvious":[233],"signs":[234],"adenomatous":[236],"changes":[237],"present,":[239],"no":[241],"pre-obstructive":[242],"dilation.":[243],"cholangiogram":[245],"diffuse":[247],"hepatic":[252],"duct":[253],"measuring":[258],"9":[260],"mm":[261],"diameter.The":[263],"pathology":[264],"report":[265],"indicates":[266],"superficial":[267],"bowel":[269],"mucosa":[270],"presence":[273],"low-grade":[276,364],"neuroendocrine":[277],"carcinoma":[278],"(NE-1),":[279],"tumor.":[281,312,365],"INSM1":[282],"synaptophysin":[284],"stain":[285],"positive,":[287],"Ki67":[290],"proliferation":[291],"found":[294],"be":[296],"less":[297,328],"than":[298,329],"1%.":[299],"2":[303],"more":[304],"ERCPs":[305],"resection":[308,361],"Discussion:":[313],"Neuroendocrine":[314],"(NETs)":[316],"occurring":[317],"exceptionally":[324],"rare,":[325],"1%":[330],"NETs,":[334],"150":[337],"documented":[338],"date.":[341],"Our":[342,355],"atypical":[347],"symptoms,":[348],"including":[349],"vomiting.":[354],"successfully":[357],"complete":[360],"Despite":[366],"its":[367],"rarity,":[368],"clinicians":[369],"should":[370],"maintain":[371],"clinical":[372],"awareness":[373],"NETs":[375],"patients":[377],"presenting":[378],"vague":[380],"symptoms":[382],"(see":[383],"Figure":[384],"1).Figure":[385],"1.:":[386],"Benign-appearing":[387],"ampullar":[388],"guidewire":[391],"able":[393],"advance":[395],"through":[396],"duct.":[399]},"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2024-10-25T00:00:00"}
