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Mixed neuroendocrine carcinoma of the gastric stump: A case report

World Journal of Clinical Cases 2021年第27期9卷 8090-8096页

作者： Hui Zhu Ming-Yuan Zhang Wei-Liang Sun Gun Chen Gastrointestinal Surgery Department The Affiliated People's Hospital of Ningbo UniversityNingbo 315000Zhejiang ProvinceChina Pathologic Department The Affiliated People's Hospital of Ningbo UniversityNingbo 315000Zhejiang ProvinceChina

BACKGROUND gastric stump cancer,also known as gastric remnant cancer(GRC),is one of the main complications of postgastrectomy syndrome,which usually occurs following Billroth II *** predominant histological subtype of GRC is adenocarcinoma,whereas neuroendocrine carcinoma is relatively *** particular,there are few recently reported cases of mixed neuroendocrine carcinoma(MNEC)in the English ***,we present an extremely rare case of MNEC of the gastric *** SUMMARY A 59-year-old patient presented to our department owing to chronic *** had undergone subtotal gastric resection 35 years prior to admission because of benign peptic *** admission,the patient underwent several tests,and gastroendoscopy showed evidence of Billroth II gastrectomy and local thickening of the gastric stump mucosa at the gastrojejunostomy site,with bile reflux;pathological biopsy revealed *** was then diagnosed with GRC and underwent total gastrectomy,D2 Lymphadenectomy,and esophagojejunal Roux-en-Y *** examination of the specimen identified MNEC comprising MNEC(60%),adenocarcinoma(30%),and squamous cell carcinoma(10%).Postoperative adjuvant chemotherapy was initiated on September 17,*** plus cisplatin was administered for only one cycle because of severe liver function damage,and the regimen was changed to etoposide plus cisplatin on October 10,2020 for five *** patient recovered,with no recurrence after 6 mo of *** gastric MNECs(GMNECs)is a rare type of *** study presented the unusual occurrence of GMNEC in the gastric *** case will contribute to improvements in our understanding of the carcinogenesis,biology,pathology,and behavior of GMNEC and GRC.

关键词： gastric remnant cancer gastric mixed neuroendocrine carcinoma Surgery gastric stump Billroth II Case report

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The experimental study on gastroesophagostomy after cardiectomy of the gastric stump

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Chinese Medical Journal 1998年第1期111卷 88-89页

作者：张广忖张洪伟陆军张波姚若全刘健 China 710032

ＴｈｅｅｘｐｅｒｉｍｅｎｔａｌｓｔｕｄｙｏｎｇａｓｔｒｏｅｓｏｐｈａｇｏｓｔｏｍｙａｆｔｅｒｃａｒｄｉｅｃｔｏｍｙｏｆｔｈｅｇａｓｔｒｉｃｓｔｕｍｐＺｈａｎｇＧｕａｎｇｃｕｎ张广忖，ＺｈａｎｇＨｏｎｇｗｅｉ张洪伟，Ｌ... 详细信息

ＴｈｅｅｘｐｅｒｉｍｅｎｔａｌｓｔｕｄｙｏｎｇａｓｔｒｏｅｓｏｐｈａｇｏｓｔｏｍｙａｆｔｅｒｃａｒｄｉｅｃｔｏｍｙｏｆｔｈｅｇａｓｔｒｉｃｓｔｕｍｐＺｈａｎｇＧｕａｎｇｃｕｎ张广忖，ＺｈａｎｇＨｏｎｇｗｅｉ张洪伟，ＬｕＪｕｎ陆军，ＺｈａｎｇＢｏ张波Ｙ...

关键词： gastroesophagostomy gastric stump gastric Cardiectomy heart cancer

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Management of Helicobacter pylori infection after gastric surgery

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World Journal of Gastroenterology 2014年第18期20卷 5274-5282页

作者： Yang-Sheng Lin Ming-Jen Chen Shou-Chuan Shih Ming-Joug Bair Ching-Ju Fang Horng-Yuan Wang Division of Gastroenterology Department of Internal MedicineMackay Memorial Hospital Medical Library and Evidence Base Medicine Center Department of Medical EducationMackay Memorial Hospital Mackay Junior College of Medicine Nursing and ManagementTaipei 104Taiwan Mackay Medical College Meiho University

The Maastricht IV/Florence Consensus Report and the Second Asia-Pacific Consensus Guidelines strongly recommend eradication of Helicobacter pylori(***)in patients with previous gastric neoplasia who have undergone gastric ***,the guidelines do not mention optimal timing,eradication regimens,diagnostic tools,and follow-up strategies for patients undergoing gastrectomy and do not indicate if eradication of *** reduces the risk of marginal ulcer or stump cancer in the residual stomach after *** purpose of this review is to provide an update which may help physicians to properly manage *** infection in patients who have undergone gastric *** review focuses on(1)the microenvironment change in the stomach after gastrectomy;(2)the phenomenon of spontaneous clearance of *** after gastrectomy;(3)the effects of *** on gastric atrophy and intestinal metaplasia after gastrectomy;(4)incidence and clinical features of ulcers developing after gastrectomy;(5)does eradication of *** reduce the risk of gastric stump cancer in the residual stomach?(6)does eradication of *** reduce the risk of secondary metachronous gastric cancer in the residual stomach?and(7)optimal timing and regimens for *** eradication,diagnostic tools and follow-up strategies for patients undergoing gastrectomy.

关键词： Helicobacter pylori Gastrectomy gastric stump Treatment outcome Stomach neoplasms Stomach ulcer Atrophic gastritis Metaplasia

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Remnant gastric cancer:An ordinary primary adenocarcinoma or a tumor with its own pattern?

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World Journal of Gastrointestinal Surgery 2021年第4期13卷 366-378页

作者： Marcus Fernando Kodama Pertille Ramos Marina Alessandra Pereira Andre Roncon Dias Anna Carolina Batista Dantas Daniel Jose Szor Ulysses Ribeiro Jr Bruno Zilberstein Ivan Cecconello Department of Gastroenterology Instituto do CancerHospital das Clínicas da Faculdade de Medicina da Universidade de São PauloSão PauloSão Paulo 01249000Brazil

BACKGROUND Remnant gastric cancer(RGC)is defined as a tumor that develops in the stomach after a previous gastrectomy and is generally associated with a worse ***,there little information available regarding RGCs and their prognostic factors and *** To evaluate the clinicopathological characteristics and prognosis of RGC after previous gastrectomy for benign *** Patients who underwent curative resection for primary gastric cancer(GC)at our institute between 2009 and 2019 were retrospectively *** RGC resections with histological diagnosis of gastric adenocarcinoma were enrolled in this *** proximal GC(PGC)who underwent total gastrectomy was selected as the comparison *** and pathological data were collected from a prospective medical *** A total of 41 patients with RGC and 120 PGC were *** age(P=0.001),lower body mass index(P=0.006),hemoglobin level(P<0.001),and number of resected lymph nodes resected(LN)(P<0.001)were associated with the RGC *** type,pathological tumor-node-metastasis,and perioperative morbimortality were similar between RGC and *** was no difference in disease-free survival(P=0.592)and overall survival(P=0.930)between *** status was the only independent factor related to *** RGC had similar clinicopathological characteristics to *** the lower number of resected LN,RGC had a similar prognosis.

关键词： Stomach neoplasms gastric remnant gastric cancer Remnant gastric cancer Peptic ulcer gastric stump

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Carcinogenic potential of duodenal reflux juice from patients with long-standing postgastrectomy

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World Journal of Gastroenterology 2001年第3期7卷 376-380页

作者： Zhe Fu Ma~1 Zhong Yu Wang~1 Jun Ran Zhang~2 Peng Gong~1 Hai Long Chen~1 ~1Departrnent of General Surgery,First Hospital,Dalian Medical University,Dalian 116011,China ~2Department of Radiation Oncology,Massachusetts General Hospital and Harvard Medical School,Charlestown,MA 02129,USADr.Zhe Fu Ma graduated from Shanxi Medical College in 1993,nowPh.D.,M.D.in Department of Surgery,Dalian Medical University,majoring gastroenteric cancer,having 4 papers published.Correspondence to:Dr.Zhe Fu Ma.Department of General Surgery,First Hospital,Dalian Medical University,Dalian 116011,China Tel.0086-411-4720334 Department of General Surgery First Hospital Dalian Medical University Dalian 116011 China. mazhefu@***

AIM: To determine whether study on the carcinogenic potential of reflux juice from patients with remote gastrectomy could clarify the inherent relationship between duodenal reflux and gastric stump cancer. METHODS: A total of 37 reflux juice samples (13 Billroth I, 24 Billroth II) were employed in the present study. A two-stage transformation assay using BALB/c 3T3 cells was carried out to test the initiating or promoting activity of these samples. RESULTS: Two of 18 (11.1%) reflux samples exerted initiating activities, whereas 9/19 (47.4%) samples enhanced the MNNG-initiating cell transformation, suggesting the duodenal reflux juice might more frequently possess the tumor-promoter activity (P = 0.029). In addition, there was no difference in initiating activities of the samples irrespective of surgical procedures (P = 0.488), while Billroth II samples exhibited stronger tumor-promoter activity than Billroth I samples (P = 0.027). Furthermore, the promoter activities were well correlated with the histological changes of the stomas (r(s) = 0.625, P = 0.004), but neither their cytotoxicities nor initiating activities had this correlation (Probabilities were 0.523 and 0.085, respectively). CONCLUSION: The duodenal reflux juice from patients with remote postgastrectomy did have carcinogenic potential, and suggested that tumor-promoting activity should principally account for the high incidence of gastric cancer in gastrectomy patients. In contrast, it is difficult to explain the high stump-cancer incidence with the N-nitroso compounds theory-a popular theory for the intact stomach carcinogenesis, and it seemed to be justified to focus chemo-prevention of this cancer on the tumor-promoting potential of reflux juice.

关键词： Gastrectomy gastric Juice 3T3 Cells Adult Aged Animals Carcinogens Cell Transformation, Neoplastic Duodenogastric Reflux Female gastric stump Gastritis Humans Male Mice Mice, Inbred BALB C Middle Aged Stomach Neoplasms

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