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Gastroesophageal junction cancer

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https://www.readbyqxmd.com/read/28306358/the-genetics-of-gastroesophageal-adenocarcinoma-and-the-use-of-circulating-cell-free-dna-for-disease-detection-and-monitoring
#1
Mark R Openshaw, Catherine J Richards, David S Guttery, Jacqueline A Shaw, Anne L Thomas
Gastroesophageal adenocarcinoma (GOA) is a frequently occurring cancer worldwide with a poor clinical outcome. Adenocarcinomas of the oesophagus and gastroesophageal junction have shown a recent increase in frequency, therefore there is need to increase our understanding of GOA in order to improve our ability to detect, monitor and treat the disease. Areas covered: The authors discuss the current classification of GOA in the context of recent changes in incidence. The authors also discuss developments in the understanding of disease biology and recent discoveries from whole genome and whole exome sequencing, and studies in immunotherapy...
March 17, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28299508/prognostic-role-of-primary-tumor-location-in-non-metastatic-gastric-cancer-a-systematic-review-and-meta-analysis-of-50-studies
#2
REVIEW
Fausto Petrelli, Michele Ghidini, Sandro Barni, Francesca Steccanella, Giovanni Sgroi, Rodolfo Passalacqua, Gianluca Tomasello
INTRODUCTION: The incidence of gastric cancer (GC) arising in the upper third of the stomach, including the cardia or gastroesophageal junction (GEJ), has increased in the last decades due to established etiological risk factors such as diet, obesity, and gastroesophageal reflux. We conducted a systematic review and meta-analysis to determine the prognostic role of site of origin in patients with proximal versus distal GC. MATERIAL AND METHODS: We conducted a search of the PubMed, Cochrane Library, SCOPUS, Web of Science, EMBASE, Google Scholar, LILACS, and CINAHL databases from inception to September 2016...
March 15, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28279470/novel-targeted-therapies-for-esophagogastric-cancer
#3
REVIEW
Steven B Maron, Daniel V T Catenacci
Gastroesophageal cancer (GEC) remains a major cause of cancer-related mortality worldwide. Although the incidence of distal gastric adenocarcinoma (GC) is declining in the United States, proximal esophagogastric junction adenocarcinoma (EGJ) is increasing in incidence. GEC, including GC and EGJ, is treated uniformly in the metastatic setting. Overall survival in the metastatic setting remains poor. Molecular characterization of GEC has identified mutations and copy number variations, along with other oncogenes, biomarkers, and immuno-oncologic checkpoints that may serve as actionable therapeutic targets...
April 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28279467/controversies-and-consensus-in-preoperative-therapy-of-esophageal-and-gastroesophageal-junction-cancers
#4
REVIEW
Geoffrey Y Ku
This review summarizes established adjuvant approaches for locally advanced esophageal cancer (including preoperative, perioperative, or postoperative approaches, which include chemotherapy alone or chemoradiation). It also discusses areas of uncertainty and therapeutic equipoise.
April 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28279466/current-progress-in-the-adjuvant-treatment-of-gastric-cancer
#5
REVIEW
David H Ilson
Staging of locally advanced gastric cancer includes imaging with computed tomography scan and laparoscopic assessment to rule out peritoneal disease or positive peritoneal washings. Preoperative and postoperative chemotherapy improves survival compared with surgery alone. After primary D2 resection, adjuvant chemotherapy with a fluorinated pyrimidine with or without a platinum agent improves survival. Inclusion of postoperative radiation therapy appears required in combination with chemotherapy in patients with less than a D1-D2 resection...
April 2017: Surgical Oncology Clinics of North America
https://www.readbyqxmd.com/read/28251375/adjuvant-therapy-for-locally-advanced-gastric-cancer
#6
REVIEW
Toru Aoyama, Takaki Yoshikawa
D2 gastrectomy is now the globally accepted surgical standard for locally advanced gastric cancer. However, since 2000, different evidence has emerged regarding the efficacy of adjuvant chemoradiation, perioperative adjuvant chemotherapy, and postoperative chemotherapy for locally advanced gastric cancer. This review summarizes the background, current status, and future perspectives of adjuvant therapy for locally advanced gastric cancer. The Intergroup 0116 study was the first to show the significant overall survival benefits of adjuvant (chemoradiation) therapy for gastric cancer...
March 1, 2017: Surgery Today
https://www.readbyqxmd.com/read/28251360/role-of-3d-in-minimally-invasive-esophagectomy
#7
Alexandros Charalabopoulos, Bruno Lorenzi, Ali Kordzadeh, Cheuk-Bong Tang, Sritharan Kadirkamanathan, Naga Venkatesh Jayanthi
PURPOSE: Two-stage minimally invasive esophagectomy (MIE) has gained popularity in the surgical treatment of esophageal cancer. MIE's limitation is embedded in the construction of intrathoracic anastomosis. Various anastomotic techniques have been reported; however, the mechanical one remains the most commonly adopted. This pilot study aims to describe an efficient, safe, and reproducible way of performing a hand-sewn intrathoracic esophagogastric anastomosis in conjunction with short-term results using 2D and 3D thoracoscopic approaches...
March 1, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28209106/gastroesophageal-junction-and-gastroesophageal-junction-carcinoma%C3%A2-a-short-update
#8
REVIEW
K A Ekmektzoglou, P Apostolopoulos, G Samelis, G Alexandrakis
Cancer of the gastroesophageal junction (GEJ), although rare, is now considered a separate entity with a distinct pathophysiological and molecular profile. Although much progress has been made over the past decades in delineating the multiple environmental and genetic pathways involved GEJ carcinoma, the exact molecular mechanisms underlying disease initiation and progression are still poorly understood. This is of paramount importance for the treating physician as the disease bears a poor therapeutic response...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28187044/minimally-invasive-versus-open-esophageal-resection-three-year-follow-up-of-the-previously-reported-randomized-controlled-trial-the-time-trial
#9
Jennifer Straatman, Nicole van der Wielen, Miguel A Cuesta, Freek Daams, Josep Roig Garcia, Luigi Bonavina, Camiel Rosman, Mark I van Berge Henegouwen, Suzanne S Gisbertz, Donald L van der Peet
OBJECTIVE: The aim of this study was to investigate 3-year survival following a randomized controlled trial comparing minimally invasive with open esophagectomy in patients with esophageal cancer. BACKGROUND: Research on minimally invasive esophagectomy (MIE) has shown faster postoperative recovery and a marked decrease in pulmonary complications. Debate is ongoing as to whether the procedure is equivalent to open resection regarding oncologic outcomes. The study is a follow-up study of the TIME-trial (traditional invasive vs minimally invasive esophagectomy, a multicenter, randomized trial)...
February 9, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28165839/targeting-vegfr-2-in-metastatic-gastric-cancer-results-from-a-literature-based-meta-analysis
#10
Giandomenico Roviello, Karol Polom, Franco Roviello, Daniele Marrelli, Andrea Giovanni Multari, Giovanni Paganini, Chiara Pacifico, Daniele Generali
Angiogenesis is a key process in cancer development. We performed a meta-analysis to assess the efficacy and safety of the novel VEGFR-2 inhibitors in patients with metastatic gastric and gastroesophageal junction cancer. A literature-based meta-analysis of randomized controlled trials (RCTs) was undertaken. The primary outcome was the overall survival. The pooled analysis from RCTs on anti-VEGFR-2 inhibitors revealed a significant increase in overall survival (hazard ratio for death: 0.69, 95% confidence interval: 0...
March 16, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28124769/prevalence-of-her2-positivity-and-its-clinicopathological-correlation-in-locally-advanced-metastatic-gastric-cancer-patients-in-malaysia
#11
Pathmanathan Rajadurai, Ho Kean Fatt, Foo Yoke Ching
PURPOSE: Human epidermal growth factor receptor 2 (Erbb2/HER2) overexpression, which was previously detected in invasive breast cancer, has now been implicated in advanced gastric cancer (GC) and gastroesophageal junction cancer (GEC). A study was conducted to determine the rate of HER2 positivity in patients with locally advanced or metastatic GC and GEC in Malaysia and to assess the impact of various demographic and clinical parameters on HER2 positivity. METHODS: A total of 228 adult patients with GC or GEC were enrolled from Subang Jaya Medical Centre, Malaysia, for retrospective (210) and prospective study...
January 26, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28061474/tomotherapy-as-an-adjuvant-treatment-for-gastroesophageal-junction-and-stomach-cancer-may-reduce-bowel-and-bone-marrow-toxicity-compared-to-intensity-modulated-radiotherapy-and-volumetric-modulated-arc-therapy
#12
Xin Wang, Yuan Tian, Yuan Tang, Zhi-Hui Hu, Jia-Jia Zhang, Gui-Shan Fu, Pan Ma, Hua Ren, Tao Zhang, Ning Li, Wen-Yang Liu, Hui Fang, Ye-Xiong Li, Jing Jin
PURPOSE: To compare dosimetric parameters of intensity-modulated radiotherapy (IMRT), volumetric-modulated arc therapy (VMAT) and tomotherapy (TOMO) in the adjuvant treatment of gastroesophageal junction (GEJ)/stomach cancer. The planning goal was to maintain high target coverage while keeping the dose to the bowel and bone marrow (BM) as low as possible. MATERIALS AND METHODS: After curative surgery, 16 patients with GEJ/stomach cancer were re-planned by coplanar IMRT (five fixed beam), VMAT (double-arc), and TOMO...
January 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28052652/anti-angiogenic-therapy-in-patients-with-advanced-gastric-and-gastroesophageal-junction-cancer-a-systematic-review
#13
Li-Tzong Chen, Do-Youn Oh, Min-Hee Ryu, Kun-Huei Yeh, Winnie Yeo, Roberto Carlesi, Rebecca Cheng, Jongseok Kim, Mauro Orlando, Yoon-Koo Kang
Despite advancements in therapy for advanced gastric and gastroesophageal junction cancers, their prognosis remains dismal. Tumor angiogenesis plays a key role in cancer growth and metastasis, and recent studies indicate that pharmacologic blockade of angiogenesis is a promising approach to therapy. In this systematic review, we summarize current literature on the clinical benefit of anti-angiogenic agents in advanced gastric cancer. We conducted a systematic search of PubMed and conference proceedings including the American Society of Clinical Oncology, the European Society for Medical Oncology, and the European Cancer Congress...
January 3, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28047261/su-f-t-254-dose-volume-histogram-dvh-analysis-of-breath-hold-vs-free-breathing-techniques-for-esophageal-tumors
#14
R Badkul, K Doke, D Pokhrel, N Aguilera, C Lominska
PURPOSE: Lung and heart doses and associated toxicity are of concern in radiotherapy for esophageal cancer. This study evaluates the dosimetry of deep-inspiration-breath-hold (DIBH) technique as compared to freebreathing(FB) using 3D-conformal treatment(3D-CRT) of esophageal cancer. METHODS: Eight patients were planned with FB and DIBH CT scans. DIBH scans were acquired using Varian RPM system. FB and DIBH CTs were contoured per RTOG-1010 to create the planning target volume(PTV) as well as organs at risk volumes(OAR)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047134/th-cd-202-11-implications-for-online-adaptive-and-non-adaptive-radiotherapy-of-gastic-and-gastroesophageal-junction-cancers-using-mri-guided-radiotherapy
#15
K Mittauer, M Geurts, R Toya, M Bassetti, P Harari, B Paliwal, J Bayouth
PURPOSE: Radiotherapy for gastric and gastroesophageal junction (GEJ) tumors commonly requires large margins due to deformation, motion and variable changes of the stomach anatomy, at the risk of increased normal tissue toxicities. This work quantifies the interfraction variation of stomach deformation from daily MRI-guided radiotherapy to allow for a more targeted determination of margin expansion in the treatment of gastric and GEJ tumors. METHODS: Five patients treated for gastric (n=3) and gastroesophageal junction (n=2) cancers with conventionally fractionated radiotherapy underwent daily MR imaging on a clinical MR-IGRT system...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27993812/different-efficacy-of-ramucirumab-in-patients-with-metastatic-gastric-and-gastroesophageal-junction-cancer-according-to-ecog-performance-status
#16
G Roviello, C Pacifico, K Polom, F Roviello, D Generali
No abstract text is available yet for this article.
December 19, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27951622/analysis-of-computed-tomographic-findings-according-to-gastroesophageal-flap-valve-grade
#17
Hye Kyung Jeon, Gwang Ha Kim, Nam Kyung Lee, Suk Kim, Bong Eun Lee, Geun Am Song
Background/Aims: The gastroesophageal junction is an important barrier against gastroesophageal ref lux. Endoscopic grading of gastroesophageal f lap valve is simple, reproducible, and may predict reflux activity. We investigated the correlation between gastroesophageal flap valve grade and the gastroesophageal junction's structural properties using abdominal computed tomography. Methods: A total of 138 patients with early gastric cancer who underwent both pre-treatment esophagogastroduodenoscopy and water-distended stomach two-phase computed tomography were enrolled...
December 12, 2016: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/27932891/trastuzumab-in-the-management-of-gastroesophageal-cancer-patient-selection-and-perspectives
#18
REVIEW
Michael Davidson, Naureen Starling
The addition of trastuzumab to the treatment of a subset of patients with advanced gastric and gastroesophageal junction cancers showing HER2 positivity has been shown to confer clinical benefit; however, questions remain over the optimal methods for defining and selecting such patients. This review provides an overview of current standards for assessing HER2 positivity, the evolving treatment landscape for HER2-positive gastric and esophageal cancers and the challenges and potential future directions in optimal patient selection for HER2-targeted therapy...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27928799/-impact-of-laparoscopic-surgery-on-efficacy-in-the-treatment-of-gastrointestinal-stromal-tumors-in-different-anatomical-locations
#19
Qingfeng Chen, Jianxian Lin, Chaohui Zheng, Ping Li, Jianwei Xie, Jiabin Wang, Jun Lu, Qiyue Chen, Mi Lin, Longlong Cao, Changming Huang
OBJECTIVE: To investigate the efficacy of laparoscopic surgery in the treatment of gastrointestinal stromal tumors (GIST) in different anatomical locations. METHODS: Clinical data of 133 patients with primary gastric GIST undergoing laparoscopic resection at our department from January 2006 to December 2014 were retrospectively analyzed. These patients were divided into favorable site group (F group, 90 cases), including gastric fundus, anterior wall and greater curvature of gastric body, and unfavorable site group (UF group, 43 cases),including gastroesophageal junction, posterior wall and lesser curvature of gastric body,antrum and pylorus, according to the 2014 version National Comprehensive Cancer Network Clinical Guidelines...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27923357/patient-preferences-for-palliative-treatment-of-locally-advanced-or-metastatic-gastric-cancer-and-adenocarcinoma-of-the-gastroesophageal-junction-a-choice-based-conjoint-analysis-study-from-germany
#20
R Hofheinz, J Clouth, J Borchardt-Wagner, U Wagner, E Weidling, M H Jen, P Brück
BACKGROUND: Decisions on palliative chemotherapy (CT) for locally advanced or metastatic gastric cancer (mGC) require trade-offs between potential benefits and risks for patients. Healthcare providers and payers agree that patient-preferences should be considered. We conducted a choice-based conjoint (CBC) analysis study in pre-treated patients from Germany with mGC or locally advanced or metastatic adenocarcinoma of the gastroesophageal junction (mGEJ-Ca), to evaluate their preferences when hypothetically selecting a CT regimen...
December 6, 2016: BMC Cancer
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