A rare synchrony of adenocarcinoma of the ampulla with an ileal gastrointestinal stromal tumor: A case report  

作　　者：Venkata Vinod Kumar Matli Gazi B Zibari Gregory Wellman Poornima Ramadas Sudha Pandit James Morris 

机构地区：[1]Department of Internal Medicine,Christus Highland Medical Center,Shreveport,LA 71106,United States [2]Division of Hepatobiliary Surgery,Willis-Knighton Health System,Shreveport,LA 711103,United States [3]Department of Gastrointestinal and Liver Pathology,Christus Highland Medical Center,Shreveport,LA 71105,United States [4]Division of Hematology and Oncology,Louisiana State University Health Sciences Center,Shreveport,LA 71103,United States [5]Division of Gastroenterology and Hepatology,Louisiana State University Health Sciences Center,Shreveport,LA 71103,United States

出　　处：《World Journal of Gastrointestinal Oncology》2022年第11期2253-2265,共13页世界胃肠肿瘤学杂志（英文版）（电子版）

摘　　要：BACKGROUND This is a unique case of a patient who was found to have two extremely rare primary malignancies synchronously,i.e.,an ampullary adenocarcinoma arising from a high-grade dysplastic tubulovillous adenoma of the ampulla of Vater(TVAoA)with a high-grade ileal gastrointestinal stromal tumor(GIST).Based on a literature review and to the best of our knowledge,this is the first report of this synchronicity.Primary ampullary tumors are extremely rare,with an incidence of four cases per million population,which is approximately 0.0004%.Distal duodenal polyps are uncommon and have a preponderance of occurring around the ampulla of Vater.An adenoma of the ampulla(AoA)may occur sporadically or with a familial inheritance pattern,as in hereditary genetic polyposis syndrome such as familial adenomatous polyposis syndrome(FAPS).We report a case of a 77-year-old male who was admitted for painless obstructive jaundice with a 40-pound weight loss over a two-month period and who was subsequently diagnosed with two extremely rare primary malignancies,i.e.,an adenocarcinoma of the ampulla arising from a high-grade TVAoA and a high-grade ileal GIST found synch-ronously.CASE SUMMARY A 77-year-old male was admitted for generalized weakness with an associated weight loss of 40 pounds in the previous two months and was noted to have painless obstructive jaundice.The physical examination was benign except for bilateral scleral and palmar icterus.Lab results were significant for an obstructive pattern on liver enzymes.Serum lipase and carbohydrate antigen-19-9 levels were elevated.Computed tomography(CT)of the abdomen and pelvis and magnetic resonance cholangiopancreatography were consistent with a polypoid mass at the level of the common bile duct(CBD)and the ampulla of Vater with CBD dilatation.The same lesions were visualized with endoscopic retrograde cholangiopancreatography.Histopathology of endoscopic forceps biopsy showed TVAoA.Histopathology of the surgical specimen of the resected ampulla showed an adenocarcinoma arisin

关 键 词：Tubulovillous adenoma of the ampulla of Vater Ampullary adenocarcinoma Gastrointestinal stromal tumor Ampullary polyp Small bowel mesenchymal tumor Case report 

分 类 号：R735[医药卫生—肿瘤]