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https://www.readbyqxmd.com/read/28927143/an-early-superficial-non-ampullary-duodenal-tumor-cured-with-endoscopic-submucosal-dissection-a-case-report
#1
Yi Wei Fu, Mao Song Lin, Bing Yang, Hong Yu, Xia Jiao, Jun Xing Huang
Early superficial non-ampullary duodenal tumors are particularly rare, the clinical manifestations, including typical endoscopic or imaging features, and treatment methods are not well-characterized. The present case report describes a case of an asymptomatic 74-year-old male who presented to the Taizhou People's Hospital (Taizhou, China) for a regular health screening, where a primary superficial non-ampullary duodenal tumor was identified. Upper endoscopy revealed ~1.2 cm lesion in the second portion of the duodenum...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28900985/-interpretation-and-evaluation-of-the-american-joint-committee-on-cancer-ajcc-8th-edition-staging-system-for-patients-with-gastroenteropancreatic-neuroendocrine-tumors
#2
Luohai Chen, Zhiwei Zhou, Jie Chen
American Joint Committeeon Cancer (AJCC) released the eighth edition staging system manual in October 2016. Based on the shortcomings in the seventh edition of AJCC staging system, staging classifications for gastroenteropancreatic neuroendocrine tumor (GEP-NET) were updated. The changes are as follow: small intestinal NET was divided into two groups, duodenal and jejunoileal NET and lymphatic metastasis was redefined into N1 and N2 in jejunoileal NET; stages were condensed except colorectal NET; the staging classification for pancreatic NET proposed by European Neuroendocrine Tumor Society(ENETS) was adopted...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28891128/helicobacter-inflammation-immunology-and-vaccines
#3
REVIEW
Karen Robinson, Kazuyo Kaneko, Leif Percival Andersen
Helicobacter pylori is usually acquired in early childhood and the infection persists lifelong without causing symptoms. In a small of cases, the infection leads to gastric or duodenal ulcer disease, or gastric cancer. Why disease occurs in these individuals remains unclear, however the host response is known to play a very important part. Understanding the mechanisms involved in maintaining control over the immune and inflammatory response is therefore extremely important. Vaccines against H. pylori have remained elusive but are desperately needed for the prevention of gastric carcinogenesis...
September 2017: Helicobacter
https://www.readbyqxmd.com/read/28890311/pancreatoduodenectomy-after-roux-en-y-gastric-bypass-technical-considerations-and-outcomes
#4
June S Peng, Ricard Corcelles, Kevin Choong, Matthew Poturalski, Namita Gandhi, R Matthew Walsh, Jeffrey M Hardacre, Stacy A Brethauer, Gareth Morris-Stiff
BACKGROUND: Patients with altered anatomy due to Roux-en-Y gastric bypass (RYGB) present unique diagnostic and therapeutic challenges when they present with periampullary pathology. We describe a series of patients who underwent pancreatoduodenectomy (PD) after gastric surgery with Roux-en-Y reconstruction and review the literature to highlight technical considerations and outcomes. METHODS: Patients from two institutions were identified and data regarding preoperative workup, operative conduct, and pathologic and clinical outcomes were collected...
September 7, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28881081/a-genetically-inducible-porcine-model-of-intestinal-cancer
#5
Morten Møbjerg Callesen, Sigrid Salling Árnadóttir, Iben Lyskjaer, Mai-Britt Worm Ørntoft, Søren Høyer, Frederik Dagnaes-Hansen, Ying Liu, Rong Li, Henrik Callesen, Mads Heilskov Rasmussen, Martin Fogtmann Berthelsen, Martin Kristian Thomsen, Pawel Jan Schweiger, Kim Bak Jensen, Søren Laurberg, Torben Falck Ørntoft, Jannik Ejnar Elverløv-Jakobsen, Claus Lindbjerg Andersen
Transgenic porcine cancer models bring novel possibilities for research. Their physical similarities with humans enable the use of surgical procedures and treatment approaches used for patients, which facilitates clinical translation. Here, we aimed to develop an inducible oncopig model of intestinal cancer. Transgenic (TG) minipigs were generated using somatic cell nuclear transfer by hand-made cloning. The pigs encode two TG cassettes: 1) An Flp-recombinase inducible oncogene cassette containing KRAS-G12D, cMYC, SV40LT - which inhibits p53 - and pRB...
September 7, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28879710/heat-shock-protein-90-alpha-lass-b-member-1-a-key-regulative-gene-of-monitoring-duodenal-tumor-for-obesity-induced-by-high-fat-diet
#6
Li Zheng, Jie Bai, Jin-Ling Zhang, Xia Meng, Yan-Na Hao
BACKGROUND: Effective methods of preventing and treating duodenal carcinoma, especially cancer induced by obesity (resulting from a high-fat diet) remains a longstanding challenge in medicine. METHODS: With regard to the objective, key genes were explored in the evolutional process in a group of normal, obese (high-fat diet), and duodenal tumor mice. Here, 23 genes were selected by the bioinformatics method. In order to correct the result, verification experiments were performed twice through online analysis...
September 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28878613/mixed-adenocarcinoma-and-squamous-cell-carcinoma-of-duodenum-a-case-report-and-review-of-the-literature
#7
Muhammad Bader Hammami, Anuj Chhaparia, Jinhua Piao, Yihua Zhou, Christine Hachem, Jinping Lai
Despite being the largest part of the human gastrointestinal (GI) tract, the small intestine accounts for only 1-1.4% of all GI malignancies. Adenocarcinoma is the most common primary small bowel malignancy, with the most common site being the duodenum. On the other hand, squamous cell carcinoma (SCC) of the duodenum is extremely uncommon. We report the first case of mixed adenocarcinoma and SCC occurring in the third part of duodenum (D3). Our patient, a 64-year-old female with history of GERD, hypertension, and IDDM presented with 4 weeks of nausea, vomiting, and abdominal pain...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28862703/fine-tuning-and-autoregulation-of-the-intestinal-determinant-and-tumor-suppressor-homeobox-gene-cdx2-by-alternative-splicing
#8
Camille Balbinot, Marie Vanier, Olivier Armant, Asmaa Nair, Julien Penichon, Christine Soret, Elisabeth Martin, Thoueiba Saandi, Jean-Marie Reimund, Jacqueline Deschamps, Felix Beck, Claire Domon-Dell, Isabelle Gross, Isabelle Duluc, Jean-Noël Freund
On the basis of phylogenetic analyses, we uncovered a variant of the CDX2 homeobox gene, a major regulator of the development and homeostasis of the gut epithelium, also involved in cancer. This variant, miniCDX2, is generated by alternative splicing coupled to alternative translation initiation, and contains the DNA-binding homeodomain but is devoid of transactivation domain. It is predominantly expressed in crypt cells, whereas the CDX2 protein is present in crypt cells but also in differentiated villous cells...
September 1, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28854423/nonampullary-duodenal-adenomas-rarely-recur-after-complete-endoscopic-resection-a-swiss-experience-including-a-literature-review
#9
Piero V Valli, Joachim C Mertens, Amnon Sonnenberg, Peter Bauerfeind
INTRODUCTION: Duodenal polyps and especially duodenal adenomas are a rare and mostly coincidental finding in patients undergoing upper gastrointestinal endoscopy. Due to their malignant potential, duodenal adenomas should be removed upon diagnosis. So far, the limited available data on the performance of endoscopic polypectomy show conflicting results with regard to adverse events and the adenoma recurrence rate. PATIENTS AND METHODS: After summarizing the currently available data, we retrospectively analyzed all patients undergoing endoscopic resection of nonampullary duodenal adenomas (NAD) at our institution between 2006 and 2016...
August 31, 2017: Digestion
https://www.readbyqxmd.com/read/28845017/organ-preserving-surgery-for-locally-advanced-duodenal-gastrointestinal-stromal-tumor-after-neoadjuvant-treatment
#10
Ang Lv, Honggang Qian, Hui Qiu, Jianhui Wu, Ying Li, Zhongwu Li, Chunyi Hao
This report aims to investigate the feasibility and outcomes of neoadjuvant imatinib mesylate (IM) administration followed by organ-preserving surgery (OPS) for patients with locally advanced duodenal gastrointestinal stromal tumor (GIST). Between 2012 and 2015, 10 consecutive patients with locally advanced duodenal GISTs were treated in Peking University Cancer Hospital. Multidisciplinary assessment was implemented, and pancreaticoduodenectomy (PD) was initially indicated as the most probable surgical procedure for all 10 patients...
August 28, 2017: Bioscience Trends
https://www.readbyqxmd.com/read/28836250/-clinical-efficacy-of-superior-mesenteric-artery-oriented-laparoscopic-complete-mesocolic-excision-in-the-treatment-of-right-colonic-cancer
#11
Yong Wang, Dongsheng Zhang, Yifei Feng, Zan Fu, Ziwei Xu, Yueming Sun
OBJECTIVE: To investigate the clinical efficacy of superior mesenteric artery (SMA)-oriented laparoscopic complete mesocolic excision (CME) with a medial-to-lateral approach in the treatment of right colonic cancer. METHODS: A total of 166 patients with right colonic cancer who were admitted to The First Affiliated Hospital of Nanjing Medical University from January 2015 to December 2016 underwent SMA-oriented laparoscopic CME by the same surgical team. Clinical data of these patients were retrospectively analyzed...
August 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28835091/gastric-adenocarcinoma-with-systemic-metastasis-involving-the-intraocular-choroid-and-duodenum
#12
Soon Young Kim, Kee-Taek Jang, Jun Haeng Lee
Gastric cancer with double metastasis to the orbit and duodenum is extremely rare. We report the case of a patient with gastric adenocarcinoma who presented with synchronous orbital and duodenal metastases at the time of initial diagnosis. A 60-year-old man presented with a 1-month history of visual disorder and pain in his right eye. He underwent ophthalmological examinations. The biopsy results suggested intraocular metastatic carcinoma. We conducted a systemic evaluation to identify primary malignancy. Finally, a diagnosis of advanced gastric adenocarcinoma with multi-organ metastasis was made...
May 22, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28830268/characteristics-and-risk-factors-for-sporadic-non-ampullary-duodenal-adenocarcinoma
#13
Naomi Kakushima, Hiroyuki Ono, Masao Yoshida, Kohei Takizawa, Masaki Tanaka, Noboru Kawata, Sayo Ito, Kenichiro Imai, Kinichi Hotta, Hirotoshi Ishiwatari, Hiroyuki Matsubayashi
OBJECTIVES: Despite the gradual increase in the incidence of non-ampullary duodenal adenocarcinoma (NADAC), the associated characteristics and risk factors remain poorly understood. The aim of this study was to clarify the clinical characteristics and risk factors of sporadic NADAC. MATERIALS AND METHODS: In this retrospective case-control study, we enrolled 156 Japanese NADAC patients with 160 lesions from our hospital's cancer registry over 13 years. The patient demographics and clinical findings were compared to 468 age- and sex-matched controls selected from our medical health checkup recipients...
August 22, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28828196/use-of-proton-pump-inhibitors-in-general-practice
#14
Cesare Tosetti, Ilaria Nanni
AIM: To evaluate the characteristics of the prescription of the proton pump inhibitor drugs (PPI) and the adherence to the indications of the guidelines regulating the reimbursement limitations set forth by the Italian Drug Agency. METHODS: Thirty general practitioners (GP) participated in the study, providing data on more than 40000 patients in total. The population was divided into non occasional users of PPI drugs (PPI users) and non-users (PPI non-users) based on evidence of a prescription of at least 3 packs of PPIs in the last 90 d before analysis...
August 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28818109/metastatic-colorectal-cancer-responsive-to-regorafenib-for-2-years-a-case-report
#15
Kenji Yoshino, Dai Manaka, Ryo Kudo, Shunpei Kanai, Eisei Mitsuoka, Satoshi Kanto, Shinya Hamasu, Sayuri Konishi, Ryuta Nishitai
BACKGROUND: Regorafenib is an oral multikinase inhibitor that has been demonstrated as clinically effective in patients with metastatic colorectal cancer in phase III studies. Although disease control was achieved in 40% of the pretreated patients with metastatic colorectal cancer in the pivotal studies, radiological response has rarely been reported. Severe adverse events associated with regorafenib are known to occur during the first and second courses of treatment. We present a case of a 62-year-old Japanese patient whose metastatic colorectal cancer has been responding to treatment with regorafenib for 2 years...
August 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28816381/non-exposed-endoscopic-wall-inversion-surgery-for-submucosal-tumor-of-the-duodenum-a-novel-case-report
#16
Prasit Mahawongkajit, Ajjana Techagumpuch, Pakkavuth Chanswangphuvana
Laparoscopic and endoscopic cooperative surgery for duodenal tumor is the precise oncologic resection procedure and the closure of the defect (1). Non-exposed Endoscopic Wall-inversion Surgery (NEWS) is a novel minimally invasive technique for gastric submucosal mass (SMT) and early gastric cancer having advantageous precision to determine the resection line with no risk of peritoneal contamination (2-5). We describe the NEWS technique that we applied and performed for a small duodenal SMT. This article is protected by copyright...
August 17, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28811347/tifa-signaling-in-gastric-epithelial-cells-initiates-the-cag-type-4-secretion-system-dependent-innate-immune-response-to-helicobacter-pylori-infection
#17
Alevtina Gall, Ryan G Gaudet, Scott D Gray-Owen, Nina R Salama
Helicobacter pylori is a bacterial pathogen that colonizes the human stomach, causing inflammation which, in some cases, leads to gastric ulcers and cancer. The clinical outcome of infection depends on a complex interplay of bacterial, host genetic, and environmental factors. Although H. pylori is recognized by both the innate and adaptive immune systems, this rarely results in bacterial clearance. Gastric epithelial cells are the first line of defense against H. pylori and alert the immune system to bacterial presence...
August 15, 2017: MBio
https://www.readbyqxmd.com/read/28808566/laparoscopic-double-tract-reconstruction-after-total-gastrectomy-for-postoperative-duodenal-surveillance-case-series
#18
Ryota Otsuka, Hideki Hayashi, Naoyuki Hanari, Hisashi Gunji, Koichi Hayano, Masayuki Kano, Hisahiro Matsubara
INTRODUCTION: When gastric cancer or carcinoid patients have coexisting diseases such as duodenal adenoma, FAP, or Crohn's disease, periodic observation of the duodenum is necessary. METHODS: Between August 2013 and April 2015, we performed four consecutive laparoscopic total gastrectomies with double tract reconstruction for duodenal surveillance. Three of the patients were diagnosed with gastric cancer, while the remaining patient was diagnosed with gastric carcinoid...
September 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28805778/-metal-self-expanding-stents-for-malignant-obstruction-of-stomach-outlet-and-duodenum
#19
A V Shabunin, S S Lebedev, G M Chechenin, Yu V Barinov, Yu V Sidorova, Z A Bagateliya, A V Vardanyan, D D Dolidze
AIM: To compare different types of self-expanding stents (partially coated or uncovered) for malignant pyloroduodenal obstruction (MPDO). MATERIAL AND METHODS: 89 MPDO patients underwent stenting at the Botkin City Hospital (Moscow) for the period 2008-2016. The causes of malignant obstruction were: stomach cancer - 53 (59.5%), pancreatic cancer - 31 (34.8%), compression by retroperitoneal lymph nodes - 3 (3.4%), duodenal cancer - 2 (2.2%). Patients were divided into two homogeneous groups...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28795271/efficacy-of-sleeve-gastrectomy-with-duodenal-jejunal-bypass-for-the-treatment-of-obese-severe-diabetes-patients-in-japan-a-retrospective-multicenter-study
#20
Takeshi Naitoh, Kazunori Kasama, Yosuke Seki, Masayuki Ohta, Takashi Oshiro, Akira Sasaki, Yasuhiro Miyazaki, Tsuyoshi Yamaguchi, Hideki Hayashi, Hirofumi Imoto, Naoki Tanaka, Michiaki Unno
BACKGROUND: The incidence of obesity with type 2 diabetes (T2DM) is increasing in Japan. The main bariatric surgery procedures in Japan are laparoscopic sleeve gastrectomy (LSG) and LSG with duodenal-jejunal bypass (LSG/DJB) because of the high incidence of gastric cancer and difficulty exploring a remnant stomach after gastric bypass. However, few studies have compared the antidiabetic effect of LSG/DJB with LSG alone. PURPOSE: The purpose of this study is to compare the antidiabetic effect of LSG/DJB with that of LSG alone in Japanese obese diabetic patients...
August 9, 2017: Obesity Surgery
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