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https://www.readbyqxmd.com/read/28742689/lymphangiogenic-gene-expression-is-associated-with-lymph-node-recurrence-and-poor-prognosis-after-partial-hepatectomy-for-colorectal-liver-metastasis
#1
Thomas T Vellinga, Onno Kranenburg, Nicola Frenkel, Inge Ubink, Dieuwke Marvin, Klaas Govaert, Susanne van Schelven, Jeroen Hagendoorn, Inne H Borel Rinkes
OBJECTIVES: To investigate the relevance of lymphangiogenic gene expression in primary and liver metastasis of colorectal cancer (CRC) and identify determinants of lymphatic invasion. BACKGROUND: Lymphatic development promoting vascular endothelial growth factor C (VEGFC) is associated with poor outcome in primary CRC. For colorectal liver metastasis (CRLM), intrahepatic lymph invasion and lymph node metastasis are poor prognostic factors. Exact biological factors promoting lymphatic involvement remain elusive, just as the association with molecular subtypes of CRC...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28737074/intraoperative-tumor-perforation-is-associated-with-decreased-5-year-survival-in-colon-cancer-a-nationwide-database-study
#2
N S Bundgaard, V O Bendtsen, P Ingeholm, U H Seidelin, K H Jensen
BACKGROUND: It is a widely held belief that intraoperative tumor perforation in colon cancer impairs survival and causes local recurrence, although the prognostic importance remains unclear. AIM: The aim of this study was to assess the effect of unintended intraoperative tumor perforation on postoperative mortality and long-term survival. MATERIAL AND METHODS: This national cohort study was based on data from a prospectively maintained nationwide colorectal cancer database...
March 1, 2017: Scandinavian Journal of Surgery: SJS
https://www.readbyqxmd.com/read/28736640/systematic-review-and-a-meta-analysis-of-hospital-and-surgeon-volume-outcome-relationships-in-colorectal-cancer-surgery
#3
Ya Ruth Huo, Kevin Phan, David L Morris, Winston Liauw
BACKGROUND: Numerous hospitals worldwide are considering setting minimum volume standards for colorectal surgery. This study aims to examine the association between hospital and surgeon volume on outcomes for colorectal surgery. METHODS: Two investigators independently reviewed six databases from inception to May 2016 for articles that reported outcomes according to hospital and/or surgeon volume. Eligible studies included those in which assessed the association hospital or surgeon volume with outcomes for the surgical treatment of colon and/or rectal cancer...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28731950/totally-laparoscopic-resection-for-low-sigmoid-and-rectal-cancer-using-natural-orifice-specimen-extraction-techniques
#4
Hideharu Shimizu, Kensuke Adachi, Hideo Ohtsuka, Itaru Osaka, Kunio Takuma, Kijuro Takanishi, Jun Matsumoto
BACKGROUND: A minilaparotomy for specimen extraction during laparoscopy occasionally results in postoperative wound complications. We have performed a totally laparoscopic resection for early colorectal cancer using the natural orifice specimen extraction technique. METHODS: From 2008 to 2013, we have performed a totally laparoscopic resection for clinical stage I and IIA low sigmoid colon and rectal cancers. A prospectively maintained database was reviewed to assess the outcomes after surgery...
July 20, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28730774/laparoscopic-colectomy-for-serosa-positive-colon-cancer-pt4a-in-patients-with-preoperative-diagnosis-of-cancer-without-serosal-invasion
#5
Shenglong Guo, Detao Tang, Xiaojun Chen, Ming Chen, Yaqian Xiang
PURPOSE: Although general surgeons normally perform laparoscopic colectomies in patients with colon cancer, the procedure is also indicated for serosa-negative tumors (≤ cT3). Serosal invasion (T4a) is regarded as a potential risk factor for peritoneal dissemination due to pneumoperitoneum effects and tumor manipulation during laparoscopic colectomy. We compared short- and long-term outcomes of patients who underwent laparoscopic and open colectomies for serosa-involving colon cancer (pT4a) and had a preoperative diagnosis of cancer without serosal invasion (≤cT3)...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28728751/a-phase-ii-evaluation-of-brivanib-in-the-treatment-of-persistent-or-recurrent-carcinoma-of-the-cervix-an-nrg-oncology-gynecologic-oncology-group-study
#6
John K Chan, Wei Deng, Robert V Higgins, Krishnansu S Tewari, Albert J Bonebrake, Michael Hicks, Stephanie Gaillard, Pedro T Ramirez, Weldon Chafe, Bradley J Monk, Carol Aghajanian
BACKGROUND: Brivanib is an oral, tyrosine kinase inhibitor against vascular endothelial growth factor (VEGF) and fibroblast growth factor receptor (FGFR). We studied its efficacy and tolerability in persistent or recurrent cervical cancer patients. METHODS: Eligible patients had at least one prior cytotoxic regimen for recurrence and with measurable disease. Brivanib 800mg was administered orally every day (1cycle=28days) until disease progression or prohibitive toxicity...
July 17, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28724210/dandelion-root-extract-suppressed-gastric-cancer-cells-proliferation-and-migration-through-targeting-lncrna-ccat1
#7
Huanhuan Zhu, Hangyong Zhao, Linjie Zhang, Jianmin Xu, Chunhua Zhu, Hui Zhao, Guoqiang Lv
Gastric cancer (GC) is one of the most common tumors worldwide. Standard treatment after early detection involves surgical excision (recurrence is possible), and metastatic gastric cancer is refractory to immuno-, radio-, and most harmful chemotherapies. Various natural compounds have shown efficacy in killing different cancers, albeit not always specifically. In this study, we show that dandelion root extract (DRE) specifically and effectively suppresses proliferation and migration in human gastric cells without inducing toxicity in noncancerous cells...
July 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28720267/a-systematic-review-of-the-supportive-care-needs-of-people-living-with-and-beyond-cancer-of-the-colon-and-or-rectum
#8
REVIEW
Grigorios Kotronoulas, Constantina Papadopoulou, Kathryn Burns-Cunningham, Mhairi Simpson, Roma Maguire
PURPOSE: Gaining a clear understanding of the health needs and concerns of people with cancer of the colon and/or rectum can help identify ways to offer a comprehensive care package. Our aim was to systematically assess the relevant literature and synthesise current available evidence. METHODS: A systematic review was conducted according to the PRISMA Statement guidelines. Five electronic databases were searched to identify studies employing qualitative and/or quantitative methods...
August 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28710725/clinicopathologic-parameters-associated-with-postoperative-complications-and-risk-factors-for-tumor-recurrence-and-mortality-after-tumor-resection-of-patients-with-colorectal-cancer
#9
Z Bai, J Wang, T Wang, Y Li, X Zhao, G Wu, Y Yang, W Deng, Z Zhang
OBJECTIVE: To delineate the association of postoperative complications with clinicopathologic factors and to identify risk factors for tumor recurrence and mortality after tumor resection in patients with colorectal cancer (CRC). METHODS: The clinical data of 1144 patients with CRC who underwent surgical intervention between 2003 and 2013 were retrieved. Correlations of postoperative complications with clinicopathologic factors were examined using univariate analysis...
July 14, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28710230/the-tissue-reconstructing-ability-of-colon-cscs-is-enhanced-by-fk506-and-suppressed-by-gsk3-inhibition
#10
Ryo Ishida, Michiyo Koyanagi-Aoi, Nobu Oshima, Yoshihiro Kakeji, Takashi Aoi
Cancer stem cells (CSCs) are capable of reconstructing cancer tissues, are involved in both recurrence and metastasis, and contribute to therapeutic resistance. Therefore, elucidating the molecular mechanism in CSCs is important to successfully treat unresectable cancers. Previously we observed that colon cancer stem-like cells can be induced from human colon cancer cell lines by retrovirally introducing OCT3/4, SOX2 and KLF4, and we have designated such cells as induced cancer stem cells (iCSCs). In the current study, we used iCSCs to evaluate the molecular mechanism of colon CSCs and developed new methods to control them...
July 14, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28707966/targeted-molecular-ablation-of-cancer-stem-cells-for-curing-gastrointestinal-cancers
#11
Yong Seok Kim, Ho Jae Lee, Jong-Min Park, Young-Min Han, Napapan Kangwan, Ji Young Oh, Dong Yoon Lee, Ki Baik Hahm
Abundance of the ATPase-binding cassette (ABC) transporters and deranged self-renewal pathways characterize the presence of cancer stem cells (CSCs) in gastrointestinal cancers (GI cancers), which play crucial roles in tumorigenesis, chemotherapy resistance, tumor recurrence, and cancer metastasis. Therefore, in order to ensure high cure rates, chemoquiescence, CSCs should be ablated. Recent advances in either understanding CSCs or biomarker identification enable scientists to develop techniques for ablating CSCs and clinicians to provide cancer cure, especially in GI cancers characterized by inflammation-driven carcinogenesis...
July 14, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28706415/role-of-new-endoscopic-techniques-in-inflammatory-bowel-disease-management-has-the-change-come
#12
EDITORIAL
Loredana Goran, Lucian Negreanu, Ana Maria Negreanu
Despite significant therapeutic progress in recent years, inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, remains a challenge regarding its pathogenesis and long-term complications. New concepts have emerged in the management of this disease, such as the "treat-to-target" concept, in which mucosal healing plays a key role in the evolution of IBD, the risk of recurrence and the need for surgery. Endoscopy is essential for the assessment of mucosal inflammation and plays a pivotal role in the analysis of mucosal healing in patients with IBD...
June 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28695896/r-spondin-chromosome-rearrangements-drive-wnt-dependent-tumour-initiation-and-maintenance-in-the-intestine
#13
Teng Han, Emma M Schatoff, Charles Murphy, Maria Paz Zafra, John E Wilkinson, Olivier Elemento, Lukas E Dow
Defining the genetic drivers of cancer progression is a key in understanding disease biology and developing effective targeted therapies. Chromosome rearrangements are a common feature of human malignancies, but whether they represent bona fide cancer drivers and therapeutically actionable targets, requires functional testing. Here, we describe the generation of transgenic, inducible CRISPR-based mouse systems to engineer and study recurrent colon cancer-associated EIF3E-RSPO2 and PTPRK-RSPO3 chromosome rearrangements in vivo...
July 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28690641/prostate-cancer-stem-cell-markers-drive-progression-therapeutic-resistance-and-bone-metastasis
#14
REVIEW
Koran S Harris, Bethany A Kerr
Metastatic or recurrent tumors are the primary cause of cancer-related death. For prostate cancer, patients diagnosed with local disease have a 99% 5-year survival rate; however, this 5-year survival rate drops to 28% in patients with metastatic disease. This dramatic decline in survival has driven interest in discovering new markers able to identify tumors likely to recur and in developing new methods to prevent metastases from occurring. Biomarker discovery for aggressive tumor cells includes attempts to identify cancer stem cells (CSCs)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28688636/utilization-and-impact-of-adjuvant-chemotherapy-among-patients-with-resected-stage-ii-colon-cancer-a-multi-institutional-analysis
#15
Aslam Ejaz, Leigh Casadaban, Ajay V Maker
BACKGROUND: The use of chemotherapy among patients with stage II colon cancer is controversial. We aimed to define the utilization and factors associated with the receipt of chemotherapy and the impact of chemotherapy on long-term prognosis among a large, multiinstitutional cohort of patients. MATERIALS AND METHODS: We identified 876 patients who underwent resection for stage II colon cancer between 2004 and 2013 at one of seven participating institutions. Overall survival (OS) and recurrence-free survival (RFS) time was calculated from the date of the index procedure to the date of death...
July 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28687025/prognostic-value-of-positron-emission-tomography-computed-tomography-for-adjuvant-chemotherapy-of-colon-cancer
#16
HyungJoo Baik, Seok Mo Lee, Sang Hyuk Seo, Min Sung An, Kwang Hee Kim, Ki Beom Bae, Min Kyung Oh, Kwan Hee Hong
BACKGROUND: To assess the prognostic value of preoperative (18) F-fluorodeoxyglucose positron emission tomography/computed tomography in patients with high-risk stage II or stage III colon cancer who underwent FOLFOX chemotherapy. METHODS: The study included 166 patients with high-risk stage II or stage III colon cancer who received FOLFOX4 chemotherapy. Retrospective patient data were analysed including pathological stage, histology, disease-free survival (DFS) and the maximum standardized uptake value (SUVmax ) of the primary tumour on (18) F-fluorodeoxyglucose positron emission tomography/computed tomography...
July 7, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28683891/postoperative-serum-vascular-endothelial-growth-factor-is-an-independent-prognostic-factor-of-disease-free-survival-an-overall-survival-in-patients-with-non-metastatic-colon-cancer
#17
M Pascual, S Alonso, S Salvans, X Mayol, S Mojal, M J Gil, L Grande, M Pera
BACKGROUND: Angiogenesis is essential for tumor growth and formation of metastasis. VEGF is the most potent agiogenic citokine. The aim was to investigate the predictive value of postoperative VEGF serum concentration in patients undergoing surgery for colon cancer. METHODS: Consecutive patients with colon cancer undergoing surgery with curative intent were included. VEGF was measured in serum at 48 h and postoperative day 4. Cox proportional hazards model was used to estimate its contribution with prognosis...
July 1, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28683472/comprehensive-analysis-of-copy-number-aberrations-in-microsatellite-stable-colon-cancer-in-view-of-stromal-component
#18
M Henar Alonso, Susanna Aussó, Adriana Lopez-Doriga, David Cordero, Elisabet Guinó, Xavier Solé, Mercè Barenys, Javier de Oca, Gabriel Capella, Ramón Salazar, Rebeca Sanz-Pamplona, Victor Moreno
BACKGROUND: Somatic copy number aberrations (CNAs) are common acquired changes in cancer cells having an important role in the progression of colon cancer (colorectal cancer, CRC). This study aimed to perform a characterisation of CNA and their impact in gene expression. METHODS: Copy number aberrations were inferred from SNP array data in a series of 99 CRC. Copy number aberration events were calculated and used to assess the association between copy number dosage, clinical and molecular characteristics of the tumours, and gene expression changes...
July 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28682966/management-of-low-colorectal-anastomotic-leakage-in-the-laparoscopic-era-more-than-a-decade-of-experience
#19
Stephen Alexander Boyce, Craig Harris, Andrew Stevenson, John Lumley, David Clark
BACKGROUND: Anastomotic leak after colorectal surgery increases postoperative mortality, cancer recurrence, permanent stoma formation, and poor bowel function. Anastomosis between the colon and rectum is a particularly high risk. Traditional management mandates laparotomy, disassembly of the anastomosis, and formation of an often-permanent stoma. After laparoscopic colorectal surgery it may be possible to manage anastomotic failure with laparoscopy, thus avoiding laparotomy. OBJECTIVE: The purpose of this study was to determine the feasibility of the laparoscopic management of failed low colorectal anastomoses...
August 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28681367/expandable-metallic-stent-for-endobronchial-metastasis-from-colorectal-cancer-reports-of-2-cases
#20
Tomoki Nakamura, Takayuki Tajima, Takashi Ogimi, Hiroshi Miyakita, Miho Nitta, Kazunori Myojin, Sakurako Tajiri, Ichiro Kobayashi, Takayuki Nishi, Sotaro Sadahiro, Hideo Shimada
In recent years, there have been many reports about the efficacy of stenting for central bronchial stenosis. When central bronchial stenosis is due to metastasis of a malignant tumor to the trachea and/or bronchi (endobronchial metastasis: EM), it is classified as "narrow EM" and "broad EM." [1] We managed two patients in whom bilateral stent placement was required for narrow and broad EM arising from colorectal cancer. Case 1: In September 2011, a 66-year-old man underwent low anterior resection for advanced colorectal cancer associated with unresectable liver metastasis...
July 20, 2017: Tokai Journal of Experimental and Clinical Medicine
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