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World Journal of Gastrointestinal Oncology

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https://www.readbyqxmd.com/read/28868114/impact-of-tumour-histological-subtype-on-chemotherapy-outcome-in-advanced-oesophageal-cancer
#1
Michael Davidson, Ian Chau, David Cunningham, Komel Khabra, Timothy Iveson, Tamas Hickish, Matthew Seymour, Naureen Starling
AIM: To investigate the impact of histology on outcome in advanced oesophageal cancer treated with first-line fluoropyrimidine-based chemotherapy. METHODS: Individual patient data were pooled from three randomised phase III trials of fluoropyrimidine-based chemotherapy ± platinum/anthracycline in patients with advanced, untreated gastroesophageal adenocarcinoma or squamous cell carcinoma (SCC) randomised between 1994 and 2005. The primary endpoint was overall survival of oesophageal cancer patients according to histology...
August 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28868113/gastric-xanthoma-is-a-predictive-marker-for-metachronous-and-synchronous-gastric-cancer
#2
Narihiro Shibukawa, Shohei Ouchi, Shuji Wakamatsu, Yuhei Wakahara, Akira Kaneko
AIM: To investigate predictive markers for metachronous and synchronous gastric cancer (GC), which can develop after endoscopic submucosal dissection (ESD). METHODS: A total of 352 patients underwent ESD for early GC at NTT West Osaka Hospital between June 2006 and February 2016. Exclusion criteria were as follows: Remnant stomach, unknown Helicobacter pylori status, and endoscopic observation of the whole stomach outside our hospital. We analyzed data from 192 patients comprising 109 patients with solitary GC (Group A) and 83 with metachronous and synchronous GC (Group B)...
August 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28868112/does-the-discrepancy-in-histologic-differentiation-between-a-forceps-biopsy-and-an-endoscopic-specimen-necessitate-additional-surgery-in-early-gastric-cancer
#3
Jae Seung Soh, Hyun Lim, Ho Suk Kang, Jong Hyeok Kim, Kab Choong Kim
AIM: To investigate the clinicopathological variables in early gastric cancer (EGC) patients in relation to differentiation discrepancy. METHODS: The data of 265 specimens from 240 patients with EGC, who had undergone radical operation at Hallym University Sacred Heart Hospital from 2010 to 2015, were retrospectively analyzed. We evaluated clinical, endoscopic, and histopathological data according to histological discrepancy. RESULTS: Clinically significant discrepancy rate showed the difference in differentiated type (well and moderately differentiated) and undifferentiated type (poorly differentiated and signet ring cell) between endoscopic biopsies and postoperative specimens was 9...
August 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28868111/s-1-induced-hepatic-steatosis-in-patients-with-pancreatic-cancer-retrospective-analysis
#4
Kunihiro Tsuji, Hisashi Doyama
AIM: To determine whether S-1 induces hepatic steatosis in patients being treated for pancreatic cancer. METHODS: This retrospective study evaluated 22 patients who received oral S-1 as a first-line treatment for pancreatic cancer between January 2008 and July 2015 at the Ishikawa Prefectural Central Hospital. Patients underwent abdominal computed tomography (CT) scans before chemotherapy and within 3 mo from the start of treatment. CT numbers of the liver and spleen were measured before and after S-1 administration...
August 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808504/goblet-cell-carcinoid-of-the-appendix-and-mixed-adenoneuroendocrine-carcinoma-report-of-three-cases
#5
Hatice Karaman, Fatma Şenel, Mustafa Güreli, Turan Ekinci, Ömer Topuz
Neuroendocrine neoplasms are the most common epithelial tumors among appendix tumors. Appendix tumors that are completely or partially composed of neuroendocrine cells are divided into two categories: Classic carcinoid tumors and goblet cell carcinoid tumors (GCCT). They are known to progress more aggressively than classic (neuro) endocrine tumors. In this study, three cases with acute appendicitis symptoms are presented, including their clinical and histopathological findings. Microscopic examination detected GCCT in two cases and mixed adenoneuroendocrine carcinoma in one case, in addition to acute appendicitis...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808503/prognostic-efficacy-of-inflammation-based-markers-in-patients-with-curative-colorectal-cancer-resection
#6
Özgür Akgül, Erdinç Çetinkaya, Metin Yalaza, Sabri Özden, Mesut Tez
AIM: To evaluate the prognostic significance of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), lymphocyte-to-monocyte ratio (LMR), and prognostic nutritional index (PNI) and other clinicopathological factors in patients undergoing curative resection of colon cancer. METHODS: 183 patients with histologically proven colorectal cancer who had undergone potentially curative resection between 2010 and 2016 at Ankara Numune Training and Research Hospital were retrospectively analyzed and clinicopathological characteristics included age, sex, tumor type, grade, size and localization, the number of metastatic and total number of lymph nodes removed, vascular and perineural invasion of the tumor, TNM stages, tumor marker levels (CEA, CA19-9, AFP, CA-125, CA15-3), complete blood counts, albumin levels, overall survival (months), NLR, PLR, LMR and PNI ratios were retrospectively reviewed and analyzed from the electronic database...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808502/clinical-significance-of-tumor-infiltrating-lymphocytes-for-gastric-cancer-in-the-era-of-immunology
#7
REVIEW
Byung Woog Kang, Jong Gwang Kim, In Hee Lee, Han Ik Bae, An Na Seo
Immunotherapy has begun to revolutionize cancer treatment, by introducing therapies that target the host immune system instead of the tumor, therapies that possess unique adverse event profiles, and therapies that may cure certain types of cancer. The immune microenvironment of tumors is emerging as the most important means of understanding the relationship between a patient' immune system and their cancer, informing prognosis, and guiding immunotherapy, such as an antibody blockade of immune checkpoints. For some solid tumors, simple quantitation of lymphocyte infiltration would seem to have prognostic significance, suggesting that lymphocyte infiltration is not passive but may actively promote or inhibit tumor growth...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808501/evolving-treatment-landscape-for-early-and-advanced-pancreatic-cancer
#8
REVIEW
Sally C Lau, Winson Y Cheung
Pancreatic ductal adenocarcinoma is an infrequent cancer with a high disease related mortality rate, even in the context of early stage disease. Until recently, the rate of death from pancreatic cancer has remained largely similar whereby gemcitabine monotherapy was the mainstay of systemic treatment for most stages of disease. With the discovery of active multi-agent chemotherapy regimens, namely FOLFIRINOX and gemcitabine plus nab-paclitaxel, the treatment landscape of pancreatic cancer is slowly evolving...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28808500/emerging-molecular-targets-and-therapy-for-cholangiocarcinoma
#9
REVIEW
Hamzeh Kayhanian, Elizabeth C Smyth, Chiara Braconi
Cholangiocarcinoma (CCA) is a rare cancer arising from the biliary tree with a poor prognosis and limited therapeutic options. Recent large scale molecular characterisation studies have identified recurrent genetic alterations in CCA which may be amenable to therapeutic targeting. In this review we explore the genomic landscape of CCA and examine results from trials of molecularly targeted agents and immunotherapy in this disease. Challenges in CCA diagnosis, treatment and trial design are discussed and we reflect on future directions which may lead to improved outcomes for CCA patients...
July 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28656077/gastric-plexiform-fibromyxoma-resected-by-endoscopic-submucosal-dissection-after-observation-of-chronological-changes-a-case-report
#10
Fumiaki Kawara, Shinwa Tanaka, Takashi Yamasaki, Yoshinori Morita, Yoshiko Ohara, Yoshihiro Okabe, Namiko Hoshi, Takashi Toyonaga, Eiji Umegaki, Hiroshi Yokozaki, Takanori Hirose, Takeshi Azuma
A 66-year-old man was diagnosed with a gastric submucosal tumor. Endoscopic ultrasound (EUS) revealed an iso/hypoechoic mass in the third layer. No malignant cells were detected in a histological examination. Yearly follow-up endoscopy and EUS showed the slow growth of the tumor. Endoscopic submucosal dissection (ESD) was performed and a glistening tumor was resected. The lesion showed a multinodular plexiform growth pattern consisting of spindle cells with an abundant fibromyxoid stroma that was rich in small vessels...
June 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28656076/effects-of-age-on-survival-and-morbidity-in-gastric-cancer-patients-undergoing-gastrectomy
#11
Yoshinori Fujiwara, Shuichi Fukuda, Masanori Tsujie, Hajime Ishikawa, Kotaro Kitani, Keisuke Inoue, Masao Yukawa, Masatoshi Inoue
AIM: To evaluate clinicopathological features and surgical outcomes of gastric cancer in elderly and non-elderly patients after inverse probability of treatment weighting (IPTW) method using propensity score. METHODS: We enrolled a total of 448 patients with histologically confirmed primary gastric carcinoma who received gastrectomies. Of these, 115 patients were aged > 80 years old (Group A), and 333 patients were aged < 79 years old (Group B). We compared the surgical outcomes and survival of the two groups after IPTW...
June 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28656075/value-of-macrobiopsies-and-transanal-endoscopic-microsurgery-in-the-histological-work-up-of-rectal-neoplasms-a-retrospective-study
#12
Guus M J Bökkerink, Gert-Jan van der Wilt, Dirk de Jong, Han H J M van Krieken, Robert P Bleichrodt, Johannes H W de Wilt, Andreas J A Bremers
AIM: To evaluate a step up approach: Taking macrobiopsies and performing excision biopsies in patients with suspected rectal cancer in which biopsies taken though the flexible endoscope showed benign histology. METHODS: Patients with a rectal neoplasm who underwent flexible endoscopy and biopsies were included. In case of benign biopsies rigid rectoscopy and macrobiopsies were employed. If this failed to prove malignancy, transanal endoscopic microsurgery (TEM) was used in a final effort to establish a certain preoperative diagnosis...
June 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28656074/detecting-circulating-tumor-material-and-digital-pathology-imaging-during-pancreatic-cancer-progression
#13
REVIEW
Radim Moravec, Rao Divi, Mukesh Verma
Pancreatic cancer (PC) is a leading cause of cancer-related death worldwide. Clinical symptoms typically present late when treatment options are limited and survival expectancy is very short. Metastatic mutations are heterogeneous and can accumulate up to twenty years before PC diagnosis. Given such genetic diversity, detecting and managing the complex states of disease progression may be limited to imaging modalities and markers present in circulation. Recent developments in digital pathology imaging show potential for early PC detection, making a differential diagnosis, and predicting treatment sensitivity leading to long-term survival in advanced stage patients...
June 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28567187/introduction-of-laparoscopic-gastrectomy-for-gastric-cancer-in-a-western-tertiary-referral-centre-a-prospective-cost-analysis-during-the-learning-curve
#14
Juul J Tegels, Charlotte E Silvius, Frederique E Spauwen, Karel W Hulsewé, Anton G Hoofwijk, Jan H Stoot
AIM: To evaluate the costs of the introduction of a laparoscopic surgery program for gastric cancer in a Western community training hospital and tertiary referral centre for gastric cancer surgery. METHODS: All patients who underwent surgery for gastric cancer with curative intent in 2013 and 2014 were prospectively included. Primary outcomes were costs regarding surgery and hospital stay. RESULTS: Laparoscopic gastrectomy was used in 52 patients [mean age 68 years (± 9, range 50 to 87)] and open gastrectomy was used in 25 patients [mean age 70 years (± 10, range 46 to 85)]...
May 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28567186/critical-evaluation-of-contemporary-management-in-a-new-pelvic-exenteration-unit-the-first-25-consecutive-cases
#15
Min Hoe Chew, Yu-Ting Yeh, Ee-Lin Toh, Stephen Aditya Sumarli, Ghee Kheng Chew, Lui Shiong Lee, Mann Hong Tan, Tiffany Priyanthi Hennedige, Shin Yi Ng, Say Kiat Lee, Tze Tec Chong, Hairil Rizal Abdullah, Terence Lin Hon Goh, Mohamed Zulfikar Rasheed, Kok Chai Tan, Choong Leong Tang
AIM: To critically appraise short-term outcomes in patients treated in a new Pelvic Exenteration (PE) Unit. METHODS: This retrospective observational study was conducted by analysing prospectively collected data for the first 25 patients (16 males, 9 females) who underwent PE for advanced pelvic tumours in our PE Unit between January 2012 and October 2016. Data evaluated included age, co-morbidities, American Society of Anesthesiologists (ASA) score, Eastern Cooperative Oncology Group (ECOG) status, preoperative adjuvant treatment, intra-operative blood loss, procedural duration, perioperative adverse event, lengths of intensive care unit (ICU) stay and hospital stay, and oncological outcome...
May 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28567185/extramural-vascular-invasion-and-response-to-neoadjuvant-chemoradiotherapy-in-rectal-cancer-influence-of-the-cpg-island-methylator-phenotype
#16
Jeremy Stuart Williamson, Huw Geraint Jones, Namor Williams, Anthony Paul Griffiths, Gareth Jenkins, John Beynon, Dean Anthony Harris
AIM: To identify whether CpG island methylator phenotype (CIMP) is predictive of response to neoadjuvant chemoradiotherapy (NACRT) and outcomes in rectal cancer. METHODS: Patients undergoing NACRT and surgical resection for rectal cancer in a tertiary referral centre between 2002-2011 were identified. Pre-treatment tumour biopsies were analysed for CIMP status (high, intermediate or low) using methylation specific PCR. KRAS and BRAF status were also determined using pyrosequencing analysis...
May 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28567184/molecular-classifications-of-gastric-cancers-novel-insights-and-possible-future-applications
#17
REVIEW
Silvio Ken Garattini, Debora Basile, Monica Cattaneo, Valentina Fanotto, Elena Ongaro, Marta Bonotto, Francesca V Negri, Rosa Berenato, Paola Ermacora, Giovanni Gerardo Cardellino, Mariella Giovannoni, Nicoletta Pella, Mario Scartozzi, Lorenzo Antonuzzo, Nicola Silvestris, Gianpiero Fasola, Giuseppe Aprile
Despite some notable advances in the systemic management of gastric cancer (GC), the prognosis of patients with advanced disease remains overall poor and their chance of cure is anecdotic. In a molecularly selected population, a median overall survival of 13.8 mo has been reached with the use of human epidermal growth factor 2 (HER2) inhibitors in combination with chemotherapy, which has soon after become the standard of care for patients with HER2-overexpressing GC. Moreover, oncologists have recognized the clinical utility of conceiving cancers as a collection of different molecularly-driven entities rather than a single disease...
May 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28451066/helicobacter-pylori-recurrence-after-eradication-in-latin-america-implications-for-gastric-cancer-prevention
#18
Juan E Corral, Robertino Mera, Corey W Dye, Douglas R Morgan
AIM: To estimate Helicobacter pylori (H. pylori) recurrence rate in Latin America, a region with a significant H. pylori prevalence and gastric cancer burden. METHODS: PubMed, LILACS, SciELO, Cochrane databases and abstracts from relevant meetings were reviewed. Information collected included: Participants' characteristics, recruitment strategy, diagnostic modality, treatment arms, follow-up and recurrence rates. Recurrence was calculated using 100-patients-year rates, and data were pooled using a random effects model...
April 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28451065/incidence-of-venous-thromboembolism-and-the-role-of-d-dimer-as-predictive-marker-in-patients-with-advanced-gastric-cancer-receiving-chemotherapy-a-prospective-study
#19
Kwonoh Park, Baek-Yeol Ryoo, Min-Hee Ryu, Sook Ryun Park, Myoung Joo Kang, Jeong Hye Kim, Seungbong Han, Yoon-Koo Kang
AIM: To investigated the incidence and risk factors of venous thromboembolism (VTE) in patients with advanced gastric cancer (AGC) receiving chemotherapy. METHODS: All consecutive chemotherapy-naïve patients with AGC who would receive palliative chemotherapy between November 2009 and April 2012 in our hospital were recruited. Their pretreatment clinical and laboratory variables, including D-dimer, were recorded. The frequency of VTE development and survival rates during each chemotherapy cycle and regularly thereafter were assessed...
April 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28451064/macroscopic-appearance-of-type-iv-and-giant-type-iii-is-a-high-risk-for-a-poor-prognosis-in-pathological-stage-ii-iii-advanced-gastric-cancer-with-postoperative-adjuvant-chemotherapy
#20
Keishi Yamashita, Akira Ema, Kei Hosoda, Hiroaki Mieno, Hiromitsu Moriya, Natsuya Katada, Masahiko Watanabe
AIM: To evaluate whether a high risk macroscopic appearance (Type IV and giant Type III) is associated with a dismal prognosis after curative surgery, because its prognostic relevance remains elusive in pathological stage II/III (pStage II/III) gastric cancer. METHODS: One hundred and seventy-two advanced gastric cancer (defined as pT2 or beyond) patients with pStage II/III who underwent curative surgery plus adjuvant S1 chemotherapy were evaluated, and the prognostic relevance of a high-risk macroscopic appearance was examined...
April 15, 2017: World Journal of Gastrointestinal Oncology
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