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Gastric GIST

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https://www.readbyqxmd.com/read/28808875/ssat-state-of-the-art-conference-current-surgical-management-of-gastric-tumors
#1
Jeffrey A Norton, Teresa Kim, Joseph Kim, Martin D McCarter, Kaitlyn J Kelly, Joyce Wong, Jason K Sicklick
INTRODUCTION: The current era of gastric surgery is marked by low morbidity and mortality rates, innovative strategies to approach resections with a minimally invasive fashion or hyperthermic intraperitoneal chemotherapy (HIPEC), as well as improved understanding of the biology of sporadic and hereditary stromal, neuroendocrine, and epithelial malignancies. METHODS: In 2017, the Society for Surgery of the Alimentary Tract convened a State-of-the-Art Conference on Current Surgical Management of Gastric Tumors with both international experts and emerging leaders in the field of gastric surgery...
August 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28799152/-gastric-schwannoma-rare-differenzial-diagnosis-of-acute-upper-gastrointestinal-gi-bleeding
#2
Orestis Lyros, Stephan Schickel, Katrin Schierle, Albrecht Hoffmeister, Ines Gockel
Schwannomas are benign tumors derived from Schwann cells and their typical site of origin is the subcutaneous tissue of the extremities. Gastrointestinal localization of Schwannomas is extremely rare and the stomach is the prevalent site. Gastric schwannomas primarily occur in the gastric submucosa and are usually asymptomatic.We present a rare case of a solitary gastric schwannoma in a 51-year old male, which initially manifested with hematemesis by acute upper gastrointestinal (GI) bleeding. The upper GI-Endoscopy revealed a gastric submucosal tumor, 7 cm in size, located in the proximal corpus and fundus...
August 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28798000/epidemiology-and-survival-analysis-of-gastrointestinal-stromal-tumors-in-lebanon-real-life-study-from-a-hospital-tumor-registry-2000-2015
#3
Elie El Rassy, Fadi Nasr, Tarek Assi, Toni Ibrahim, Nathalie Rassy, Joseph Bou Jaoude, Marcel Massoud, Georges Chahine
BACKGROUND: We report, to our knowledge, one of the largest studies concerning gastrointestinal stromal tumors (GIST) in the Middle East. We also present a survival analysis of GIST in our 15-year real-life experience. METHODS: We studied demographic, epidemiologic and survival characteristics of 70 patients with confirmed GIST in a cross-sectional study between 2000 and 2015. RESULTS: The median age of our patients was 62 ±12.8 years (range, 25-84) with a male to female ratio of 1...
May 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28796048/clinicopathologic-study-of-succinate-dehydrogenase-deficient-gastrointestinal-stromal-tumors-a-single-institutional-experience-in-china
#4
Weizhen Liu, Xiangyu Zeng, Xiuli Wu, Jun He, Jinbo Gao, Xiaoming Shuai, Guobin Wang, Peng Zhang, Kaixiong Tao
Gastrointestinal stromal tumors (GISTs) that are not driven by kinase mutations, as are most GISTs, often show loss of function of the succinate dehydrogenase (SDH) complex and are considered SDH-deficient GISTs. SDH-deficient GISTs share many distinct characteristics compared with conventional GISTs. However, data regarding these characteristics, particularly among Asian people, are relatively limited. The objective of this study was to characterize the clinicopathologic characteristics, treatment, and prognosis of these uncommon GISTs...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28783738/improvement-to-ultrasonographical-differential-diagnosis-of-gastric-lesions-the-value-of-contrast-enhanced-sonography-with-gastric-distention
#5
Tingting Li, Man Lu, Jun Song, Ping Wu, Xueqing Cheng, Zhenqi Zhang
OBJECTIVE: The purpose of this retrospective study is to evaluate the diagnostic value of contrast enhanced sonography plus gastric distention sonography, the Double Contrast-enhanced Ultrasound (DCUS) in gastric lesions. METHODS: 107 cases with pathology confirmed gastric lesions were retrospectively reviewed, DCUS and oral contrast agent ultrasound (US) were performed in all cases prior to operation. Perfusion parameters including arrival time (AT), peak intensity (PI), time to peak (TTP), and area under the curve (AUC) of the lesion and surrounding normal tissue were analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28756979/thymosin-beta-4-overexpression-correlates-with-high-risk-groups-in-gastric-gastrointestinal-stromal-tumors-a-retrospective-analysis-by-immunohistochemistry
#6
Sevinç Şahin, Ozgur Ekinci, Selda Seçkin, Ayse Dursun
BACKGROUND: Thymosin beta-4 (Tβ4) is a protein that is linked to a number of important biological actions and recently tumor progression and poor prognosis of some tumors. The aim of this study was to evaluate Tβ4 expression in gastric GISTs and correlate with some clinicopathological characteristics related with prognosis and clinical outcome in order to add further data to the current literature. METHODS: Tβ4 antibody was applied to the 4μm-thick paraffin sections of 57 gastric GISTs by immunohistochemistry...
July 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28754403/-clinical-and-pathological-features-of-gastrointestinal-stromal-tumors-gist-in-a-single-institution-a-descriptive-study-and-review-of-the-literature
#7
Diego Flores-Funes, Ramón José Lirón-Ruiz, Carmen Victoria Pérez-Guarinos, Juan Gervasio Martín-Lorenzo, José Antonio Torralba-Martínez, Alberto Giménez-Bascuñana, María Asunción Chaves-Benito, José Luis Aguayo-Albasini
AIMS: This study was aimed to assess the main clinical, pathological and therapeutic characteristics of a cohort of gastrointestinal stromal tumors (GIST). MATERIAL AND METHOD: Observational study including 66 patients diagnosed with GIST admitted to our hospital between 2002 and 2015. Parameters related to medical history, clinical manifestations, medical and surgical treatment, histopathology, and morbi-mortality were studied. A review of the literature was included to correlate with the results...
July 25, 2017: Cirugía Española
https://www.readbyqxmd.com/read/28744850/the-expression-of-hematopoietic-progenitor-cell-antigen-cd34-is-regulated-by-dna-methylation-in-a-site-dependent-manner-in-gastrointestinal-stromal-tumours-gists
#8
Irina Bure, Alexander Braun, Claudia Kayser, Helene Geddert, Inga-Marie Schaefer, Silke Cameron, Michael B Ghadimi, Phillip Ströbel, Martin Werner, Arndt Hartmann, Stefan Wiemann, Abbas Agaimy, Florian Haller, Evgeny A Moskalev
The anatomic site-dependent expression of hematopoietic progenitor cell antigen CD34 is a feature of gastrointestinal stromal tumours (GISTs). The basis for the differential CD34 expression is only incompletely understood. This study aimed at understanding the regulation of CD34 in GISTs and clarification of its site-dependent expression. Two sample sets of primary GISTs were interrogated including 52 fresh-frozen and 134 paraffin-embedded and formalin-fixed specimens. DNA methylation analysis was performed by HumanMethylation450 BeadChip array in three cell lines derived from gastric and intestinal GISTs, and differentially methylated CpG sites were established upstream of CD34...
July 26, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28740967/incidental-gastrointestinal-stromal-tumor-at-a-gastroscopic-polypectomy-specimen-a-case-report-and-review-of-literature
#9
Dursun Özgür Karakaş, Özgür Dandin, Ahmet Ziya Balta, Yavuz Özdemir, İsmail Yılmaz, İlker Sücüllü
Although gastrointestinal stromal tumors (GISTs) comprise less than 1% of all gastrointestinal (GI) tract tumors, they are the most common mesenchymal tumors of the GI tract. Gastrointestinal stromal tumors can occur anywhere along the GI tract, but the stomach and small intestine are the most frequently involved sites. Gastrointestinal stromal tumors are frequently asymptomatic, and one-third of all cases are found incidentally. Endoscopy, endoscopic ultrasonography, and computed tomography are useful tools in the diagnosis...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28739378/succinate-dehydrogenase-sdh-deficiency-carney-triad-and-the-epigenome
#10
REVIEW
Nikolaos Settas, Fabio R Faucz, Constantine A Stratakis
In this report, we review the relationship between succinate dehydrogenase (SDH) deficiency and the epigenome, especially with regards to two clinical conditions. Carney triad (CT) is a very rare disease with synchronous or metachronous occurrence of at least three different tumor entities; gastric gastrointestinal stromal tumor (GIST), paraganglioma (PGL), and pulmonary chondroma. This condition affects mostly females and it is never inherited. Another disease that shares two of the tumor components of CT, namely GIST and PGL is the Carney-Stratakis syndrome (CSS) or dyad...
July 21, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28738922/laparoscopic-trans-gastric-endoscopic-removal-of-gastroesophageal-junction-gastrointestinal-stromal-tumors-gist
#11
Aaron Lee Wiegmann, Brett A Fair, Jonathan A Myers
No abstract text is available yet for this article.
July 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28736638/cost-effectiveness-of-precision-medicine-in-gastrointestinal-stromal-tumor-and-gastric-adenocarcinoma
#12
REVIEW
Simon B Zeichner, Daniel A Goldstein, Christine Kohn, Christopher R Flowers
Over the past 20 years, with the incorporation of genetic sequencing and improved understanding regarding the mechanisms of cancer growth/metastasis, novel targets and their associated treatments have emerged in oncology and are now regularly incorporated into the clinical care of patients in the US. Novel, more tumor-specific, non-chemotherapy agents, including agents that are commonly used in the treatment of patients with gastric adenocarcinoma (GA) and gastrointestinal stromal tumor (GIST), fall under a broader treatment strategy, termed "precision medicine"...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28722090/-evaluation-of-a-new-closure-technique-of-large-defects-after-endoscopic-full-thickness-resection
#13
Xiao Liu, Lizhou Dou, Yong Liu, Shun He, Yueming Zhang, Xinying Yu, Yan Ke, Xudong Liu, Ruigang Wang, Guiqi Wang
OBJECTIVE: To investigate the security and efficacy of a new endoscopic closure method of large defects after endoscopic full-thickness resection (EFTR) double purse-string suture using two endoloops and metallic clips via single-channel endoscopy. METHODS: Clinical data of 23 cases with submucosal tumors (SMT) who received endoscopic resection from June 2015 to July 2016 in our National Cancer Center were collected. For gastric and esophageal SMTs or the mucosa layer injured during submucosal tunneling endoscopic resection (STER), double purse-string suture was conducted after EFTR...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28690940/simultaneous-robot-assisted-laparoscopic-excision-of-pre-pyloric-gastrointestinal-stromal-tumor-and-cholecystectomy
#14
Ahsan Zil-E-Ali, Salman Assad, Furrukh Jabbar
Operating on more than a single procedure in a same surgical intervention saves time, anesthesia duration and can increase the overall quality of life by lowering the duration of hospital stay and minimizing patient anxiety. But such interventions require expertise, high surgical performance, and precision in anatomical manipulation. We present a case of an outstanding performance of a unique minimally invasive simultaneous approach of removing a pre-pyloric gastrointestinal stromal tumor (GIST) along with a cholecystectomy by a robot-assisted laparascopic surgical system...
June 3, 2017: Curēus
https://www.readbyqxmd.com/read/28681655/effectiveness-and-safety-of-endoscopic-resection-for-gastric-gists-a-systematic-review
#15
Qiang Zhang, Liang-Qing Gao, Ze-Long Han, Xiao-Feng Li, Li-Hui Wang, Si-De Liu
AIMS: To evaluate the effectiveness and safety of endoscopic resection for gastric gastrointestinal stromal tumors (GISTs). MATERIAL AND METHODS: The effectiveness and safety of endoscopic resection were mainly assessed by complete resection rate, postoperative adverse event rate, and recurrence rate. Moreover, a comparison of endoscopic with laparoscopic resection for gastric GISTs was made through weighted mean difference by STATA 12.0 with regard to operation time, blood loss, and length of stay after including patients who underwent endoscopic or laparoscopic resection for gastric GISTs in the comparative studies...
July 6, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28668437/usefulness-of-conventional-and-low-dose-hydro-ct-in-the-diagnosis-of-gastric-tumors-in-comparison-to-endoscopy
#16
Krzysztof Międzybrodzki, Urszula Zaleska-Dorobisz, Joanna Słonina, Violetta Sokolska, Aleksander Pawluś, Roman Badowski, Marek J Sąsiadek
PURPOSE: The aim of this retrospective study was to evaluate the usefulness of hydro-CT in the diagnosis of gastric tumors in comparison to endoscopy. MATERIAL AND METHODS: The study involved 40 patients with a diagnosis of gastric tumor established by histopathology who underwent endoscopy and conventional or low-dose hydro-CT. Hydro-CT images were retrospectively analyzed based on the consensus of two radiologists who were blinded to the endoscopy findings. The diagnostic accuracy of hydro-CT and endoscopy for the diagnosis of gastric tumors was evaluated using the results of the histopathological examination as the reference standard...
August 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28664426/laparoscopic-and-endoscopic-cooperative-surgery-is-a-feasible-treatment-procedure-for-intraluminal-gastric-gastrointestinal-stromal-tumors-compared-to-endoscopic-intragastric-surgery
#17
Toshiyasu Ojima, Masaki Nakamura, Mikihito Nakamori, Katsunari Takifuji, Keiji Hayata, Masahiro Katsuda, Yoh Takei, Hiroki Yamaue
BACKGROUND: Laparoscopic wedge resection of the stomach is an ideal procedure if the gastric gastrointestinal stromal tumors (GISTs) are located in the extraluminal stomach. When the tumor is located in the intraluminal stomach, two minimally invasive surgical procedures involving laparoscopic and endoscopic cooperative surgery (LECS) or endoscopic intragastric surgery (EIGS) are frequently performed. To date, there have been no comparative studies of LECS and EIGS in patients with intraluminal gastric GISTs regarding short-term and long-term outcomes...
June 29, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28661595/-possibilities-of-laparoscopic-gastric-resection-for-gastrointestinal-stromal-tumors
#18
V V Grubnik, A L Kovahichuk, A V Malinovskiy, K V Barannikov
Possibilities of laparoscopic technologies application while surgical excision of gas- trointestinal stromal tumors (GIST) were analyzed. In 2000 - 2015 yrs in the clinic 28 patients were operated on for gastric GIST. In 10 of them laparoscopic gastric resec- tion with tumor (in 3 - the tumor excision in borders of nonaffected tissues, in 4 - gas- tric fundus resection or stapler resection of a great curvature together with tumor, in 3 - transgastric excision of the tumor, using staplers) surgery was done. The disease recurrence in 2-5 yrs follow-up was absent...
August 2016: Klinichna Khirurhiia
https://www.readbyqxmd.com/read/28658787/gastric-glomus-tumour-misdiagnosed-as-gastric-carcinoid-an-unfamiliar-entity-with-aids-to-diagnosis-and-review-of-literature
#19
Tanush Vig, Mandeep Singh Bindra, Ramani Manoj Kumar, Suceena Alexander
Glomus tumour (GT) is a rare mesenchymal tumour of the stomach with Gastrointestinal Stromal Tumour (GIST), leiomyoma and schwannoma being far more common and comprising more than 90% of all gastric mesenchymal tumours. As glomus bodies are located in the peripheral parts of the human body, these tumours are peripherally located, classically the subungual region, hands, feet and trunk. While being evaluated for renal problems, a middle aged lady was incidentally found to have a gastric tumour. This was submucosal in location and was excised by a wedge resection and reported elsewhere as carcinoid tumour...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28644569/gastrointestinal-stromal-tumors-of-the-esophagus-a-clinicopathologic-and-molecular-analysis-of-27-cases
#20
Guhyun Kang, Yuna Kang, Kyung-Hee Kim, Sang Yun Ha, Jung Yeon Kim, Young Mog Shim, Michael C Heinrich, Kyoung-Mee Kim, Christopher L Corless
AIMS: Gastrointestinal stromal tumors (GISTs) may arise anywhere in the gastrointestinal tract, but are rare in the esophagus. We describe the clinical, pathologic, and molecular characteristics of 27 primary esophageal GISTs, the largest series to date. METHODS AND RESULTS: DNA was extracted and exons 9, 11, 13 and 17 of KIT, exons 12, 14 and 18 of PDGFRA and exon 15 of BRAF were amplified and sequenced. Esophageal GISTs occurred in 14 men and 13 women between 22 and 80 years of age (mean, 56 years)...
June 23, 2017: Histopathology
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