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Gastrointestinal tumors

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https://www.readbyqxmd.com/read/27936467/clinical-relevance-of-cell-free-dna-in-gastrointestinal-tract-malignancy
#1
Yuan-Tzu Lan, Ming-Huang Chen, Wen-Liang Fang, Chih-Cheng Hsieh, Chien-Hsing Lin, Fang-Yu Jhang, Shung-Haur Yang, Jen-Kou Lin, Wei-Shone Chen, Jeng-Kai Jiang, Pei-Ching Lin, Shih-Ching Chang
BACKGROUND: Cell-free DNA (cfDNA) extracted from blood has become a clinically feasible biomarker in various types of cancer. However, the clinical significance of cfDNA in gastrointestinal (GI) tract cancer among Asian populations requires further investigation. RESULTS: The median cfDNA copy number was highest in esophageal cancer, followed by colorectal cancer and gastric cancer, which were all significantly higher than those of healthy individuals. The cfDNA levels were higher in GI tract cancer, followed by those in carcinoma in situ and then healthy individuals (P = 0...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27935768/hypertrophic-osteoarthropathy-clinical-and-imaging-features
#2
Felix Y Yap, Matthew R Skalski, Dakshesh B Patel, Aaron J Schein, Eric A White, Anderanik Tomasian, Sulabha Masih, George R Matcuk
Hypertrophic osteoarthropathy (HOA) is a medical condition characterized by abnormal proliferation of skin and periosteal tissues involving the extremities and characterized by three clinical features: digital clubbing (also termed Hippocratic fingers), periostosis of tubular bones, and synovial effusions. HOA can be a primary entity, known as pachydermoperiostosis, or can be secondary to extraskeletal conditions, with different prognoses and management implications for each. There is a high association between secondary HOA and malignancy, especially non-small cell lung cancer...
December 9, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27935045/patient-derived-xenografts-of-gastrointestinal-cancers-are-susceptible-to-rapid-and-delayed-b-lymphoproliferation
#3
Sebastian M Dieter, Klara M Giessler, Mark Kriegsmann, Taronish D Dubash, Lino Möhrmann, Erik R Schulz, Christine Siegl, Sarah Weber, Hendrik Strakerjahn, Ava Oberlack, Ulrike Heger, Jianpeng Gao, Eva-Maria Hartinger, Felix Oppel, Christopher M Hoffmann, Nati Ha, Benedikt Brors, Felix Lasitschka, Alexis Ulrich, Oliver Strobel, Manfred Schmidt, Christof von Kalle, Martin Schneider, Wilko Weichert, K Roland Ehrenberg, Hanno Glimm, Claudia R Ball
Patient-derived cancer xenografts (PDX) are widely used to identify and evaluate novel therapeutic targets, and to test therapeutic approaches in preclinical mouse avatar trials. Despite their widespread use, potential caveats of PDX models remain considerably underappreciated. Here, we demonstrate that EBV-associated B-lymphoproliferations frequently develop following xenotransplantation of human colorectal and pancreatic carcinomas in highly immunodeficient NOD.Cg-Prkdc(scid) Il2rg(tm1Wjl) /SzJ (NSG) mice (18/47 and 4/37 mice, respectively), and in derived cell cultures in vitro...
December 9, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27933402/quality-of-life-evaluation-during-platinum-based-neoadjuvant-chemotherapies-for-urothelial-carcinoma
#4
Ken Fukushi, Takuma Narita, Shingo Hatakeyama, Hayato Yamamoto, Osamu Soma, Teppei Matsumoto, Yuki Tobisawa, Tohru Yoneyama, Atsushi Imai, Takahiro Yoneyama, Yasuhiro Hashimoto, Takuya Koie, Chikara Ohyama
BACKGROUND: Although quality of life (QOL) is one of the most important considerations in patients treated with anticancer therapies, desirable regimens for neoadjuvant chemotherapy including QOL in locally advanced urothelial carcinoma remain unclear. The present study evaluated the influence of neoadjuvant platinum-based chemotherapy on QOL in patients with locally advanced urothelial carcinoma. METHODS: Between June 2013 and March 2016, 83 urothelial carcinoma patients who received two courses of neoadjuvant chemotherapy were enrolled in this prospective observational study...
December 8, 2016: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27933386/endoscopic-submucosal-dissection-specimens-in-early-colorectal-cancer-lateral-margins-macroscopic-techniques-and-possible-pitfalls
#5
Alicia Dessain, Christophe Snauwaert, Pamela Baldin, Pierre Deprez, Louis Libbrecht, Hubert Piessevaux, Anne Jouret-Mourin
Endoscopic submucosal dissection (ESD) allows en-bloc resection of superficial gastrointestinal tumors, providing specimens on which lateral margin analysis can be performed reliably. Positive lateral margins have been linked to higher rates of recurrence/residual tumor. There are no guidelines for macroscopic processing of lateral margins. Currently, most institutions use parallel lateral sections, which are difficult to interpret. We use perpendicular lateral sections, hypothesizing that it decreases potential artifactually positive lateral margins...
December 8, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27932114/presence-of-t-275a-and-c-2152t-polymorphisms-of-the-promoter-region-of-uridine-diphosphate-glucuronosyltransferase-1a9-increases-mortality-from-digestive-tumors-results-after-10-years-of-follow-up-in-a-renal-transplant-population
#6
N Calvo, A Shabaka, B Rodriguez Cubillo, V López de la Manzanara, I Pérez-Flores, M A Moreno de la Higuera, J Bautista, A I Sánchez-Fructuoso
BACKGROUND: The aim of this study was to determine the distribution of uridine diphosphate-glucuronosyltransferase 1A9 (UGT1A9) promoter region T-275A and C-2152T single-nucleotide polymorphisms (SNPs) in stable transplant patients and to investigate the impact of these SNPs on the evolution of this population after 10 years of follow-up. METHODS: White renal transplant recipients (n = 873) were studied. The median time of follow-up was 91.8 months (P25-75 46-146)...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27930532/a-lower-dosage-of-imatinib-in-patients-with-gastrointestinal-stromal-tumors-with-toxicity-of-the-treatment
#7
Yuan Yin, Jin Xiang, Sumin Tang, Jiaju Chen, Qin Yu, Bo Zhang
This study investigated the efficiency and safety of imatinib in the lower dose (300 mg/d) in patients with gastrointestinal stromal tumor (GIST) who cannot tolerate imatinib in the standard dose (400 mg/d).Steady-state imatinib trough concentration (Cmin) values in 18 patients with GIST who were taking 300 mg/d or 400 mg/d imatinib were measured. The clinical features, toxicity data, and follow-up data were collected.Around 18 patients with GIST were investigated in which 9 patients received 300 mg/d imatinib...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27930363/upregulated-mir-16-expression-is-an-independent-indicator-of-relapse-and-poor-overall-survival-of-colorectal-adenocarcinoma-patients
#8
Marios A Diamantopoulos, Christos K Kontos, Dimitrios Kerimis, Iordanis N Papadopoulos, Andreas Scorilas
BACKGROUND: Colorectal adenocarcinoma is one of the most common malignant tumors of the gastrointestinal tract and the second leading cause of cancer-related deaths among adults in Western countries. miR-16 is heavily involved in cancer progression. In this study, we examined the potential diagnostic and prognostic utility of miR-16 expression in colorectal adenocarcinoma. METHODS: Total RNA was extracted from 182 colorectal adenocarcinoma specimens and 86 non-cancerous colorectal mucosae...
December 8, 2016: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/27928806/-molecular-mechanism-of-gastrointestinal-stromal-tumors-and-progress-in-drug-research
#9
Jian Li
The functional mutation of c-kit and platelet-derived growth factor receptor α (PDGFRA) which encode proto-oncogene receptor tyrosine kinase are the crucial pathogeneses of gastrointestinal stromal tumors(GISTs). 80%-85% c-kit gene mutation including exon 11,exon 9,exon 13,exon 17 and 5%-10% PDGFRA gene mutation such as exon 18, exon 12 are examined in GISTs. Neither of c-kit or PDGFRA gene mutation are called wide type GISTs. The pathogeneses of wild type GISTs are not clear. The deficiency of succinate dehydrogenase B(SDHB)-related insulin-like growth factor 1(IGF-1R) activation, BRAF gene mutation and neurofibromatosis type 1 may be related to progression of wild type GISTs...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928804/-treatment-and-prognosis-of-108-patients-with-high-risk-gastrointestinal-stromal-tumor
#10
Cheng Lei, Lin Liu, Qisan Wang, Haijiang Wang
OBJECTIVE: To investigate the treatment methods and prognostic factors of high-risk gastrointestinal stromal tumor (GIST). METHODS: Clinicopathological date and follow-up data of 108 patients with high-risk GIST from January 2002 to February 2016 treated at our department were retrospectively reviewed. The patients were divided into two groups according to whether they received adjuvant therapy after surgery. A group of patients received imatinib adjuvant therapy(adjuvant therapy group, 69 cases)...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928803/-efficacy-analysis-of-laparoscopic-curve-resection-for-gastric-gastrointestinal-stromal-tumor
#11
Minzhe Li, Jian Shen, Yanfu Du, Dehong Xie, Hao Qu, Yudong Zhang
OBJECTIVE: To evaluate the feasibility and safety of curved cutter stapler in laparoscopic curve resection for gastric gastrointestinal stromal tumor(GIST). METHODS: A retrospective clinical study was carried out with the clinical data of 19 cases of gastric GIST, who received laparoscopic curve resection with the curved cutter stapler during the period between January 2015 and December 2015 in Department of General Surgery, Beijing Chaoyang Hospital, Capital Medical University...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928802/-clinical-characteristics-and-prognosis-analysis-of-119-cases-with-giant-gastrointestinal-stromal-tumor
#12
Peng Zhang, Xiangyu Zeng, Jinbo Gao, Weizhen Liu, Xiaoming Shuai, Ke Liu, Xinghua Liu, Ming Cai, Kailin Cai, Guobin Wang, Kaixiong Tao
OBJECTIVE: To investigate the clinical characteristics, diagnosis and treatment as well as prognostic factors of the giant gastrointestinal stromal tumor (GIST). METHODS: Clinical data of 235 patients with high risk GIST treated in the Union Hospital, Tongi Medical College, Huazhong University of Science and Technology between January 2005 and July 2015 were retrospectively analyzed. Patients were divided into giant GIST group (diameter equal to or larger than 10 cm, 119 cases) and high risk group (diameter less than 10 cm, 116 cases) according to tumor size...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928801/-efficacy-observation-on-imatinib-reintroduction-in-gastrointestinal-stromal-tumor-with-high-recurrence-risk-after-imatinib-adjuvant-therapy-failure
#13
Zhi Dong, Jing Gao, Jifang Gong, Jie Li, Yan Li, Xicheng Wang, Yanyan Li, Lin Shen, Jian Li
OBJECTIVE: To evaluate the feasibility of imatinib reintroduction in gastrointestinal stromal tumor(GIST) with high recurrence risk after imatinib adjuvant therapy failure. METHODS: Clinical and follow-up data of 24 recurrent GIST patients with high recurrence risk receiving imatinib standard dose reintroduction(400 mg/d or 600 mg/d) after stopping imatinib adjuvant treatment more than 3 months in Department of GI Oncology of Peking University Cancer Hospital from August 2005 to January 2016 were retrospectively analyzed...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928800/-efficacy-analysis-of-targeted-therapy-combined-with-surgery-in-the-treatment-of-recurrent-and-metastatic-gastrointestinal-stromal-tumor
#14
Xiaodong Gao, Anwei Xue, Yong Fang, Ping Shu, He Li, Jiaqian Ling, Li Wang, Yingyong Hou, Kuntang Shen, Jing Qin, Yihong Sun, Xinyu Qin
OBJECTIVE: To investigate the efficacy of targeted therapy combined with surgery in the treatment of recurrent and metastatic gastrointestinal stromal tumor(GIST). METHODS: Clinicopathological and followed-up data of 318 patients with recurrent and metastatic GIST admitted in Zhongshan Hospital between January 2000 and December 2015 were analyzed retrospectively. According to different treatment methods, the patients were divided into four groups: surgery group (operation alone, 44 cases), target therapy group (imatinib alone, 108 cases), target therapy combined with surgery group (imatinib plus operation, 139 cases), other therapy group (chemotherapy, Chinese medicine and others, 27 cases)...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928799/-impact-of-laparoscopic-surgery-on-efficacy-in-the-treatment-of-gastrointestinal-stromal-tumors-in-different-anatomical-locations
#15
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/27928798/-a-chinese-multi-center-study-on-the-significance-of-monitoring-imatinib-plasma-concentration-in-patients-with-gastrointestinal-stromal-tumor-before-and-after-administration
#16
Hao Xu, Lilin Ma, Wei Xu, Wenxian Guan, Baolin Wang, Guoli Li, Yongchang Miao, Leping Li, Huanqiu Chen, Jiren Yu, Yongqing Wang, Luning Sun, Li Yang, Diancai Zhang, Fengyuan Li, Xiaofei Zhi, Jiwei Wang, Jianghao Xu, Zekuan Xu
OBJECTIVE: To investigate the factors which may influence the imatinib plasma concentration in Chinese patients with gastrointestinal stromal tumor(GIST), and to illuminate the significance of monitoring imatinib plasma concentration in adjuvant therapy for patients with GIST. METHODS: A cross-sectional study with 60 GIST patients who accepted the imatinib therapy after surgery was conducted. They were respectively administrated in 10 domestic hospitals from December 2014 to April 2016, including The First Affiliated Hospital of Nanjing Medical University(n=28), The Affiliated Hospital of Nantong University(n=9), The Affiliated Hospital of Xuzhou Medical College(n=6), Nanjing Drum Tower Hospital(n=5), The Second Affiliated Hospital of Nanjing Medical University (n=2), Jingling Hospital (n=2), The Second People's Hospital of Lianyungang(n=2), Shandong Provincial Hospital(n=2), Jiangsu Province Tumor Hospital(n=2), and The First Affiliated Hospital of Zhejiang University(n=2)...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928797/-changes-of-diagnosis-and-treatment-for-gastrointestinal-stromal-tumors-during-a-18-year-period-in-four-medical-centers-of-china
#17
Haibo Qiu, Peng Zhang, Xingyu Feng, Tao Chen, Xiaowei Sun, Jiang Yu, Zhijing Chen, Yong Li, Kaixiong Tao, Guoxin Li, Zhiwei Zhou
OBJECTIVE: To elucidate the historic and current diagnosis and treatment status of gastrointestinal stromal tumor (GIST) in the Chinese population based on four high volume databases. METHODS: Clinicopathological data of GIST patients with follow-up information between January 1998 and December 2015 from Sun Yat-sen University Cancer Center, Union Hospital of Huazhong University of Science and Technology, Southern Medical University Nanfang Hospital and Guangdong General Hospital were retrospectively analyzed...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928796/-current-status-of-surgical-treatment-of-gastric-gastrointestinal-tumors-a-national-multi-center-retrospective-study
#18
Xingyu Feng, Renjie Li, Peng Zhang, Tao Chen, Haibo Qiu, Yongjian Zhou, Chunyan Du, Xiaonan Yin, Fang Pan, Guoliang Zheng, Xiaowei Sun, Jiang Yu, Zhijing Chen, Yan Zhao, Xiufeng Liu, Jian Li, Bo Zhang, Ye Zhou, Changming Huang, Zhiwei Zhou, Guoxin Li, Kaixiong Tao, Yong Li
OBJECTIVE: To retrospectively analyze the clinicopathology of patients with gastric gastrointestinal stromal tumor(gGIST) who underwent radical excision within 18 years in 10 domestic medical centers in order to understand the status of domestic surgical treatment of gGIST. METHODS: Clinicopathological data of gGIST patients undergoing radical excision in 10 medical centers from January 1998 to January 2016 were collected, and their operational conditions, postoperative adjuvant therapy, gene detection and survival were analyzed retrospectively...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928790/-preliminary-understanding-of-gastrointestinal-stromal-tumor-with-the-highest-risk
#19
Chaoyong Shen, Bo Zhang
Nowadays, surgery still remains the mainstay treatment for gastrointestinal stromal tumor (GIST). Nevertheless, some GIST patients have also experienced tumor recurrence/metastasis even with R0 resection. Meanwhile, the prognosis of GIST has been dramatically improved after targeted drug imatinib used in clinical practice for GIST, but tumor recurrence/metastasis still occurred in some patients with high-risk when adjuvant treatment course ended, as such, the 2008 modified NIH criterion, which is used to guide the adjuvant treatment of GIST, still has shortcomings...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27928789/-surgical-management-of-locally-advanced-digestive-tract-neuroendocrine-neoplasm-with-or-without-liver-metastasis
#20
Xiaosong Wang, Jiangfeng Qiu, Zhiyong Wu
Neuroendocrine tumors in the digestive tract are rare, however their incidences increased obviously for the past few years. The purpose of this paper is to elucidate the surgical management of locally advanced digestive tract neuroendocrine neoplasms(NENs) with or without liver metastasis and to discuss the present classification of gastrointestinal NENs in order to provide reference for clinicians. WHO re-classified the gastroenteropancreatic NENs in 2010, but this classification remains many questions and needs further clinical trials to answer...
November 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
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