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https://www.readbyqxmd.com/read/28079762/robotic-versus-laparoscopic-gastric-resection-for-primary-gastrointestinal-stromal-tumors-5-cm-a-size-matched-and-location-matched-comparison
#1
Nicola de'Angelis, Pietro Genova, Aurelien Amiot, Cecile Charpy, Mara Disabato, Ajay P Belgaumkar, Ali Chahrour, Francois Legou, Daniel Azoulay, Francesco Brunetti
This study compared robotic (RR) and laparoscopic resection (LR) for primary gastrointestinal stromal tumors (GISTs) of the stomach >5 cm. Twelve consecutive patients who underwent RR from 2012 to 2015 were matched for tumor size and location with 24 patients who underwent LR from 2000 to 2012. The median tumor size was 7.1 cm (range, 5.5 to 11.5). GISTs were resected by wedge resection (91.7%) or distal gastrectomy. The median RR operative time was longer than that of LR (162.5 vs. 130 min, respectively; P=0...
January 10, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28077094/the-cut-off-value-of-tumor-size-and-appropriate-timing-of-follow-up-for-management-of-minimal-eus-suspected-gastric-gastrointestinal-stromal-tumors
#2
Zhidong Gao, Chao Wang, Qian Xue, Jingtong Wang, Zhanlong Shen, Kewei Jiang, Kai Shen, Bin Liang, Xiaodong Yang, Qiwei Xie, Shan Wang, Yingjiang Ye
BACKGROUD: The detectable rate of minimal gastric GISTs has continuously increased. While the surveillance and management of GIST <2 cm have been deemed controversial or lack evidence-based approaches.  The aim of the current study is to propose a cut-off value of tumor size for treatment policy and the appropriate timing for endoscopic ultrasonography (EUS) follow-up in the minimal EUS-suspected gastric GIST patients. METHODS: A single-institution retrospective study was performed...
January 11, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28075217/endoscopy-assisted-laparoscopic-resections-for-gastric-gastrointestinal-stromal-tumors-a-retrospective-study
#3
Jiang-Long Huang, Zong-Heng Zheng, Hong-Bo Wei, Tu-Feng Chen, Jian-Pei Liu, Yong Huang, Bo Wei, Jia-Feng Fang
OBJECTIVE: To explore the safety, feasibility, and clinical curative effect of endoscopy-assisted laparoscopic resections for gastric gastrointestinal stromal tumors (GISTs). MATERIALS AND METHODS: We retrospectively compared the general condition of 41 GIST patients undergoing endoscopy-assisted laparoscopic resections (n = 41, combined group) with those undergoing traditional open gastrectomy (n = 43, open surgery group). RESULTS: All patients survived during the surgery...
January 11, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28074523/familial-gastrointestinal-stromal-tumors-lentigines-and-caf%C3%A3-au-lait-macules-associated-with-germline-c-kit-mutation-treated-with-imatinib
#4
Divya Gupta, Laxmisha Chandrashekar, Lidia Larizza, Elisa A Colombo, Laura Fontana, Cristina Gervasini, Devinder M Thappa, Medha Rajappa, Kalai Selvi Rajendiran, Gubbi Shamanna Sreenath, Vikram Kate
BACKGROUND: Familial lentiginosis syndromes are characterized by a wide array of manifestations resulting from activation of molecular pathways which control growth, proliferation, and differentiation of a broad range of tissues. Familial gastrointestinal stromal tumors (GISTs) are often accompanied by additional features like hyperpigmentation, mastocytosis, and dysphagia. They have been described with mutations in c-kit (most commonly), platelet-derived growth factor receptor A, neurofibromatosis-1, and succinate dehydrogenase genes...
February 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28061498/skull-metastasis-of-gastric-gastrointestinal-stromal-tumor-successfully-managed-by-surgery
#5
Inkeun Park, Dong Hae Chung, Chan Jong Yoo, Dong Bok Shin
Gastrointestinal stromal tumors (GISTs) are rare, but are the most common mesenchymal neoplasm of the gastrointestinal tract. The most common sites of metastasis are liver and peritoneum, while bone metastasis is rare. We report on a patient with skull metastasis after seven years of treatment with imatinib for metastatic GIST. She underwent metastasectomy consisting of craniectomy with excision of the mass, and cranioplasty and continued treatment with imatinib and sunitinib, without evidence of cranial recurrence...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28029307/surgical-management-of-wild-type-gastrointestinal-stromal-tumors-a-report-from-the-national-institutes-of-health-pediatric-and-wildtype-gist-clinic
#6
Christopher B Weldon, Arin L Madenci, Sosipatros A Boikos, Katherine A Janeway, Suzanne George, Margaret von Mehren, Alberto S Pappo, Joshua D Schiffman, Jennifer Wright, Jonathan C Trent, Karel Pacak, Constantine A Stratakis, Lee J Helman, Michael P La Quaglia
Purpose Wild-type gastrointestinal stromal tumors (WT-GISTs) that lack KIT or PDGFRA mutations represent a unique subtype of GIST that predominantly affects children. We sought to determine the effect on event-free survival (EFS) of staging variables, extent of resection, and repeat resection of tumors. Methods In 2008, a WT-GIST clinic was established at the National Cancer Institute, allowing the development of a large clinical database. We included participants who underwent resection of WT-GIST. Associations with EFS (ie, freedom from disease progression or recurrence) were evaluated using the Kaplan-Meier method and Cox proportional hazards modeling...
December 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28007774/combined-kit-and-ctla-4-blockade-in-patients-with-refractory-gist-and-other-advanced-sarcomas-a-phase-ib-study-of-dasatinib-plus-ipilimumab
#7
Sandra P D'Angelo, Alexander N Shoushtari, Mary Louise Keohan, Mark A Dickson, Mrinal M Gounder, Ping Chi, Jennifer K Loo, Leigh Gaffney, Lee Schneider, Zarine Patel, Joseph P Erinjeri, Mark Bluth, Ana Sjoberg, Howard Streicher, Naoko Takebe, Li-Xuan Qin, Cristina R Antonescu, Ronald P DeMatteo, Richard D Carvajal, William D Tap
PURPOSE: A phase Ib study of dasatinib plus ipilimumab in GIST and other sarcomas was performed based on pre-clinical data demonstrating that combined KIT and CTLA-4 blockade is synergistic. EXPERIMENTAL DESIGN: A standard 3+3 design was used evaluate the safety, efficacy and immune correlates of treatment. Dose escalation cohorts received ipilimumab 10 or 3 mg/kg every 3 weeks followed by maintenance every 12 weeks with escalating doses of dasatinib (70mg daily, 100 mg daily or 70 mg twice daily)...
December 22, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27999655/clinical-implications-of-repeated-drug-monitoring-of-imatinib-in-patients-with-metastatic-gastrointestinal-stromal-tumour
#8
Ivar Hompland, Øyvind Sverre Bruland, Kumari Ubhayasekhera, Jonas Bergquist, Kjetil Boye
BACKGROUND: Imatinib mesylate (IM) is the preferred treatment for the majority of patients with metastatic gastrointestinal stromal tumour (GIST). Low trough IM concentration (Cmin) values have been associated with poor clinical outcomes in GIST patients. However, there are few studies of repeated measurements of IM levels, and therapeutic drug monitoring is not yet a part of routine clinical practice. This study was conducted to reveal clinical scenarios where plasma concentration measurement of IM trough level (Cmin) is advantageous...
2016: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/27928803/-efficacy-analysis-of-laparoscopic-curve-resection-for-gastric-gastrointestinal-stromal-tumor
#9
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/27928799/-impact-of-laparoscopic-surgery-on-efficacy-in-the-treatment-of-gastrointestinal-stromal-tumors-in-different-anatomical-locations
#10
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/27928796/-current-status-of-surgical-treatment-of-gastric-gastrointestinal-tumors-a-national-multi-center-retrospective-study
#11
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/27924391/our-experience-with-laparoscopic-partial-gastrectomy-by-the-lift-and-cut-method-for-gastric-gastrointestinal-stromal-tumor-with-maximal-preservation-of-the-remnant-stomach
#12
Shintaro Okumura, Seiichiro Kanaya, Hisahiro Hosogi, Takeshi Ito, Susumu Miura, Toshihiro Okada, Norihiro Shimoike, Shin Akagawa, Hironori Kawada, Akira Arimoto
BACKGROUND: Wedge resection is the most commonly used method in laparoscopic partial gastrectomy for gastric gastrointestinal stromal tumor (GIST). However, this method can involve inadvertent resection of additional gastric tissue and cause gastric deformation. To minimize the volume of resected gastric tissue, we have developed a laparoscopic partial gastrectomy with seromyotomy which we call the 'lift-and-cut method' for gastric GIST. Here, we report a case series of this surgery. METHOD: First, the seromuscular layer around the tumor is cut...
December 6, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27920003/clinical-significance-of-the-glasgow-prognostic-score-in-patients-with-gastrointestinal-stromal-tumors
#13
Takaaki Arigami, Yoshikazu Uenosono, Sumiya Ishigami, Shigehiro Yanagita, Keishi Okubo, Yasuto Uchikado, Yoshiaki Kita, Shinichiro Mori, Hiroshi Kurahara, Kosei Maemura, Shoji Natsugoe
AIM: To assess the clinical utility of the Glasgow prognostic score (GPS) as a blood predictor of postoperative recurrence in patients with gastric gastrointestinal stromal tumors (GISTs). PATIENTS AND METHODS: Twenty-nine patients with gastric GISTs undergoing gastrectomy were retrospectively reviewed. Patients were classified based on GPS criteria as follows: GPS of 2: elevated C-reactive protein (>1.0 mg/dl) and hypoalbuminemia (<3.5 g/dl), GPS of 1: one of these hematological abnormalities, and GPS of 0: neither elevated CRP nor hypoalbuminemia...
2016: Anticancer Research
https://www.readbyqxmd.com/read/27885685/gastric-and-small-intestine-gastrointestinal-stromal-tumors-do-outcomes-differ
#14
Katherine Giuliano, Neeraja Nagarajan, Joseph Canner, Alireza Najafian, Christopher Wolfgang, Eric Schneider, Christian Meyer, Anne Marie Lennon, Fabian M Johnston, Nita Ahuja
BACKGROUND AND OBJECTIVES: Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Previous literature has suggested that small intestine GISTs are more aggressive than gastric GISTs. Our primary objective was to compare the outcomes of gastric and small intestine GISTs in the decade after approval of imatinib for treatment. METHODS: The SEER database was queried for cases of gastric and small intestine GIST between the years 2002 and 2012, using the ICD-O-3 histology code 8936...
November 25, 2016: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27864722/comparison-between-submucosal-tunneling-endoscopic-resection-and-endoscopic-full-thickness-resection-for-gastric-stromal-tumors-originating-from-the-muscularis-propria-layer
#15
Yuyong Tan, Xiaoyu Tang, Ting Guo, Dongzi Peng, Yao Tang, Tianying Duan, Xuehong Wang, Liang Lv, Jirong Huo, Deliang Liu
BACKGROUND: Both submucosal tunneling endoscopic resection (STER) and endoscopic full-thickness resection (EFTR) are effective method for treating gastric gastrointestinal stromal tumors (GISTs); however, little is known about the comparison between STER and EFTR. The aim of the study was to compare the safety and efficacy of STER and EFTR for treating gastric GIST. METHODS: We retrospectively collected the clinical data about patients with gastric GISTs who received STER or EFTR at our hospital from April 2011 to June 2016...
November 18, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27864688/detection-of-mutations-in-the-braf-gene-in-patients-with-kit-and-pdgfra-wild-type-gastrointestinal-stromal-tumors
#16
Karin Jasek, Veronika Buzalkova, Gabriel Minarik, Andrea Stanclova, Peter Szepe, Lukas Plank, Zora Lasabova
Gastrointestinal stromal tumors (GISTs) are characterized by mutations in exons 9, 11, 13, and 17 of KIT or exons 12, 14, and 18 of PDGFRA gene. However, approximately 10 to 15 % of GISTs lack the mutations in KIT and PDGFRA, and these are referred to as wild-type GISTs which are less sensitive to tyrosine-kinase inhibitors. The aim of this study was to detect BRAF mutations in patients with wild-type GISTs. We applied a sensitive allele-specific PCR, which was optimized using the V600E mutation-harboring cell line RKO, followed by verification of the results by dideoxy sequencing...
November 18, 2016: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/27846844/a-rare-case-with-synchronous-gastric-gastrointestinal-stromal-tumor-pancreatic-neuroendocrine-tumor-and-uterine-leiomyoma
#17
Elena Arabadzhieva, Atanas Yonkov, Sasho Bonev, Dimitar Bulanov, Ivanka Taneva, Alexandrina Vlahova, Tihomir Dikov, Violeta Dimitrova
BACKGROUND: Although gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract, they comprise less than 1% of all gastrointestinal tumors. Neuroendocrine tumors (NET) of the gastro-enteropancreatic system are also rare, representing about 2% of all gastrointestinal neoplasms. Pancreatic localization of NET is extremely uncommon-these tumors are only 1-5% of all pancreatic cancers. CASE PRESENTATION: We describe an unusual case with triple tumor localization-a gastric tumor, a formation in the pancreas, which involves the retroperitoneal space, and a uterine leiomyoma...
November 15, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27845908/endoscopic-versus-laparoscopic-resection-of-gastric-gastrointestinal-stromal-tumors-a-multicenter-study
#18
Wei-Jie Dai, Gao Liu, Min Wang, Wen-Jie Liu, Wei Song, Xiao-Zhong Yang, Qi-Long Wang, Xiao-Yu Zhang, Zhi-Ning Fan
Despite endoscopic resection has been performed to treat gastric gastrointestinal stromal tumor (GISTs). However, the safety and long-term outcomes remains controversial. This study aims to compare the safety and surgical outcomes of endoscopic versus laparoscopic resection of gastric GISTs. A total of 335 patients that were pathologically confirmed with gastric GISTs (tumor size ≤ 3.5 cm) were surgically treated with endoscopic resection (endoscopic group) or laparoscopic resection (laparoscopic group) in three institutions from March 1, 2011 to October 1 2014...
November 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27828865/clinicopathological-features-and-prognosis-of-coexistence-of-gastric-gastrointestinal-stromal-tumor-and-gastric-cancer
#19
Zhen Liu, Shushang Liu, Gaozan Zheng, Jianjun Yang, Liu Hong, Li Sun, Daiming Fan, Hongwei Zhang, Fan Feng
The coexistence of gastric gastrointestinal stromal tumor (GIST) and gastric cancer is relatively high, and its prognosis is controversial due to the complex and variant kinds of presentation. Thus, the present study aimed to explore the clinicopathological features and prognostic factors of gastric GIST with synchronous gastric cancer.From May 2010 to November 2015, a total of 241 gastric GIST patients were retrospectively enrolled in the present study. The patients with coexistence of gastric GIST and gastric cancer were recorded...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27795705/cd63-and-glut-1-overexpression-could-predict-a-poor-clinical-outcome-in-gist-a-study-of-54-cases-with-follow-up
#20
Piotr Lewitowicz, Jarosław Matykiewicz, Dorota Koziel, Magdalena Chrapek, Agata Horecka-Lewitowicz, Stanislaw Gluszek
Background and Goals. In light of current knowledge, it seems that alternations underlying GISTs are well explained, although all that is enhanced by various aspects on a daily basis. More recently, attention has been pointed towards exosomes as important particles able to modify healthy and also diseased tissues including cancer. The goal of the present study was an analysis of CD9, CD63, and GLUT-1 as a marker of hypoxia status within 54 cases of GIST and evaluation of their predictive value. Methods. 54 cases of patients suffering from GIST were enrolled into the study, predominantly in the gastric location...
2016: Gastroenterology Research and Practice
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