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Stomach GIST

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https://www.readbyqxmd.com/read/28975117/clinical-practice-and-outcomes-in-advanced-gastrointestinal-stromal-tumor-experience-from-an-indian-tertiary-care-center
#1
Subhadeep Bose, Anant Ramaswamy, Arvind Sahu, Omshree Shetty, Saurabh S Zanwar, Jimmy Mirani, Chaitali Nashikkar, Vikas Ostwal
BACKGROUND: Management of advanced Gastrointestinal stromal tumors (GIST) has been revolutionized with the use of Imatinib guided by mutation analysis. Data from India remains scarce. MATERIALS AND METHODS: Patients with metastatic GIST who were treated at Department of Gastro-intestinal & Hepaticopancreaticobiliary Oncology Unit at Tata Memorial Hospital, Mumbai between December, 2004 and December 2015 were included in the analysis. Clinical and radiological data was retrieved from stored medical records and charts...
July 2017: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/28971180/an-infrequent-case-of-intussusception-caused-by-gastrointestinal-stromal-tumor-in-an-adult-patient
#2
Mehmet Mahir Fersahoglu, Ayse Tuba Fersahoglu, Nuriye Esen Bulut, Burcu Seher Anil Narin, Sinan Tezer
Intussusception may occur anywhere in the gastrointestinal system. Unlike its idiopathic childhood counterpart, it is uncommon during adult life and a definitive cause is usually found; almost half of cases develop with malignancy. Gastrointestinal stromal tumors (GIST) originate from interstitial Cajal cells of the gastrointestinal tract. They more frequently occur in the stomach and small intestines, and often grow extraluminally, making it unlikely to cause an obstruction or bleeding. Presently described is an unusual instance of ileo-ileal intussusception due to GIST...
2017: Northern Clinics of Istanbul
https://www.readbyqxmd.com/read/28931294/-carney-triad
#3
L Fiala, I Kocáková, R Šimůnek, E Krejčí, I Babánková, R Šefr
Carney triad is a synchronous or metachronous association of gastric gastrointestinal stromal tumors (GIST), pulmonary chondroma and extra-adrenal paraganglioma. The majority of patients have only one or two components of the triad, all three tumors being found in only about 2% of the patients at the time of the first diagnosis. The most common combination is gastric and pulmonary tumors. We report a case of Carney triad which was diagnosed at Masaryk Memorial Cancer Institute. A 57-year-old female patient with a history of gastric resection for leiomyosarcoma at the age of 14 and with an unclear pulmonary lesion evident on chest X-ray since as early as 2003...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28900995/-association-between-genetic-polymorphisms-and-variation-of-imatinib-pharmacokinetics-in-gastrointestinal-stromal-tumors
#4
Haibo Qiu, Wei Zhuang, Xueding Wang, Min Huang, Zhiwei Zhou
OBJECTIVE: To investigate the influence of metabolic enzymes polymorphisms on variations of imatinib (IM) pharmacokinetics in gastrointestinal stromal tumors (GIST) patients. METHODS: Clinical data of 118 Chinese GIST patients receiving 400 mg/d IM at Sun Yat-sen University Cancer Center between 2014 and 2016 were retrospectively analyzed. The plasma concentration of imatinib mesylate(IM) and its main metabolic N-demethyl imatinib (NDI) were determined by LC-MS/MS...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28900993/-comparison-of-modified-nih-and-afip-risk-stratification-criteria-for-gastrointestinal-stromal-tumors-a-multicenter-retrospective-study
#5
Tao Chen, Haibo Qiou, Xingyu Feng, Peng Zhang, Liangying Ye, Yanfeng Hu, Hao Liu, Jiang Yu, Kaixiong Tao, Yong Li, Zhiwei Zhou, Guoxin Li
OBJECTIVE: To evaluate and compare the value of Modified NIH criteria and AFIP criteria for the risk classification of gastrointestinal stromal tumors (GIST). METHODS: Clinicopathological and follow-up data of 539 patients diagnosed as primary GIST with or without irregular tyrosine kinase inhibitors in the Nanfang Hospital(n=143), Sun Yat-sen University Cancer Center (n=138), Guangdong Provincial People's Hospital (n=102) and Wuhan Union Hospital (n=156) from January 2012 to December 2015 were retrospectively analyzed...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28877809/a-review-of-sleeve-gastrectomy-specimen-histopathology
#6
Luke A Kinsinger, James C Garber, Oliver Whipple
With the increasing popularity of sleeve gastrectomy, many stomach specimens are being evaluated. Understanding the significance and treatment for unexpected pathology is important. This study examines the incidence of relevant histopathology of sleeve gastrectomy specimens. It evaluates previous data for each histopathology and provides recommendations for treatment. In this study, a retrospective review was performed for 241 patients who underwent sleeve gastrectomy from 2009 to 2014 at a single institution...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28871595/role-of-immune-microenvironment-in-gastrointestinal-stromal-tumors
#7
Andrew M Blakely, Andres Matoso, Pallavi A Patil, Ross Taliano, Jason T Machan, Thomas J Miner, Kara A Lombardo, Murray B Resnick, Li-Juan Wang
INTRODUCTION: The immune microenvironment is a prognostic factor for various malignancies. The significance of key players of this immune microenvironment including tumor-infiltrating lymphocytes and expression of programmed death-ligand 1 (PD-L1), indoleamine-2,3-dioxygenase (IDO), and tryptophanyl-tRNA synthetase (WARS) in gastrointestinal stromal tumors (GISTs) is largely unknown. METHODS: Tissue microarrays were constructed from pathology files, 1996-2016. Immunohistochemistry for PD-L1, IDO, WARS was correlated with tumor size, mitoses, and outcomes...
September 4, 2017: Histopathology
https://www.readbyqxmd.com/read/28839880/gastrointestinal-stromal-tumours-gists-an-insight-into-clinical-practice-with-review-of-literature
#8
M J McDonnell, S Punnoose, Y K S Viswanath, N J Wadd, A Dhar
BACKGROUND: Gastrointestinal stromal tumours (GISTs) are rare mesenchymal tumours of the gastrointestinal tract. We retrospectively reviewed the clinical management of all patients with GIST presenting to a regional multidisciplinary upper gastrointestinal cancer group in the north of England. METHODS: Clinical, pathological, immunohistochemical treatment strategies, follow-up and outcome data on all patients with GIST between 2007 and 2012 were reviewed. Tumours were categorised by risk according to the National Institutes of Health (NIH) and AFIP models...
January 2017: Frontline Gastroenterology
https://www.readbyqxmd.com/read/28799152/-gastric-schwannoma-rare-differenzial-diagnosis-of-acute-upper-gastrointestinal-gi-bleeding
#9
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/28796048/clinicopathologic-study-of-succinate-dehydrogenase-deficient-gastrointestinal-stromal-tumors-a-single-institutional-experience-in-china
#10
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/28791999/-clinical-and-morphological-characteristics-of-gastrointestinal-stromal-tumors
#11
D D Khalikov, F Sh Akhmetzyanov, S V Petrov
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Despite this, GISTS comprise about 2% in the structure of digestive tract cancers. They are usually localized in the stomach; however, they can be found in the small intestine and more rarely in the colon and esophagus. Although approximately 70% of the GISTs consist predominantly of spindle cells; the epithelioid cell tumors represent 20% of cases; there are also mixed variants. This variability in the morphological structure of GISTs complicates their diagnosis...
2017: Arkhiv Patologii
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
#12
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
INTRODUCTION: This study was aimed to assess the main clinical, pathological and therapeutic characteristics of a cohort of gastrointestinal stromal tumors (GIST). METHODS: 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...
August 2017: Cirugía Española
https://www.readbyqxmd.com/read/28740967/incidental-gastrointestinal-stromal-tumor-at-a-gastroscopic-polypectomy-specimen-a-case-report-and-review-of-literature
#13
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/28730217/novel-perspectives-on-gastrointestinal-stromal-tumors-gists
#14
Bogdan Stelian Mastalier Manolescu, Cristiana Gabriela Popp, Valentin Popescu, Dan Andraş, Sabina Andrada Zurac, Costin Berceanu, Aida TincuŢa Petca
Since they were described, gastrointestinal stromal tumors (GISTs) are, for pathologists and not only for them, a subject of controversy regarding histological origin, differentiation, nomenclature, malignant potential and prognosis. Before 1998, there were no certainties that GISTs were fundamentally different from other types of abdominal cancers in the big family of mesenchymal tumors. Before the discovery of KIT gene mutations, GISTs were most often classified as leiomyoma, leiomyosarcoma, leiomyoblastoma, and gastrointestinal autonomic nerve tumor...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28685083/complete-response-to-second-line-chemotherapy-with-sunitinib-of-a-gastrointestinal-stromal-tumor-a-case-report
#15
Tsuyoshi Shirakawa, Tomoya Hirata, Kosuke Maemura, Toshiyuki Goto, Yoshiya Shimao, Kosuke Marutsuka, Yuji Ueda, Ikuo Kikuchi
Gastrointestinal stromal tumors (GISTs) are a type of sarcoma, and the most common mesenchymal tumor of the gastrointestinal tract. Systemic chemotherapy is recommended for unresectable or metastatic GISTs. Imatinib is an oral multitargeted receptor tyrosine kinase inhibitor that is effective as adjuvant chemotherapy for primary high-risk cases, and as palliative chemotherapy for unresectable or metastatic cases. For imatinib-resistant cases, second-line chemotherapy with sunitinib is recommended due to significantly longer median progression-free survival and higher response rates compared with a placebo...
July 2017: Molecular and Clinical Oncology
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
#16
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/28658787/gastric-glomus-tumour-misdiagnosed-as-gastric-carcinoid-an-unfamiliar-entity-with-aids-to-diagnosis-and-review-of-literature
#17
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/28639576/laparoscopic-versus-open-resection-of-small-bowel-gastrointestinal-stromal-tumors-systematic-review-and-meta-analysis
#18
Ke Chen, Bin Zhang, Yue-Long Liang, Lin Ji, Shun-Jie Xia, Yu Pan, Xue-Yong Zheng, Xian-Fa Wang, Xiu-Jun Cai
BACKGROUND: Laparoscopic resection (LAP) for small bowel gastrointestinal stromal tumors (GISTs) is not as common as for stomach. This study aimed to evaluate the safety and efficacy of LAP for small bowel GISTs with systematic review and meta-analysis. METHODS: The Web of Science, Cochrane Library, Embase, and PubMed databases before December 2016 were comprehensively searched to retrieve comparative trials of LAP and conventional open resection (OPEN) for GISTs of small bowel with a relevance of review object...
July 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28616611/technical-success-and-short-term-results-of-surgical-treatment-of-gastrointestinal-stromal-tumors-an-experience-of-three-centers
#19
Mark Igorevich Gluzman, Victor Anatolevich Kashchenko, Aleksei Mikhailovich Karachun, Rashida Vakhidovna Orlova, Iakov Aleksandrovich Nakatis, Iurii Vasilevich Pelipas, Evgenia Leonidovna Vasiukova, Ivan Vladimirovich Rykov, Veronika Vladimirovna Petrova, Svetlana Leonidovna Nepomniashchaia, Anton Sergeevich Klimov
BACKGROUND: Gastrointestinal stromal tumors (GIST) comprise about 80% of gastrointestinal sarcomas. In patients with localized disease, surgery is considered as "Gold Standard" treatment. Organ-sparing radical en-block resection is widely accepted practice. Since lymph node dissection is not routinely indicated, minimally invasive approach is of particular interest. The aim of this study is to investigate the short-term outcomes of different surgical treatment of GISTs. METHODS: We analyzed data of 116 patients who received surgical treatment for localized forms of GIST...
2017: Translational Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28612534/-associations-of-preoperative-platelet-to-lymphocyte-ratio-and-derived-neutrophil-to-lymphocyte-ratio-with-theprognosis-of-gastrointestinal-stromal-tumor
#20
Xiao-Nan Yin, Su-Min Tang, Yuan Yin, Chao-Yong Shen, Bo Zhang, Zhi-Xin Chen
OBJECTIVES: To determine the associations of preoperative platelet-to-lymphocyte ratio (PLR) and derived neutrophil-to-lymphocyte ratio (d-NLR) with the prognosis of gastrointestinal stromal tumor (GIST). METHODS: GIST patients with surgical treatment from June 2005 to February 2015 in West China Hospital of Sichuan University were enrolled in the study. The results of blood routine tests of the patients within one week prior to surgery and their clinical data were extracted...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
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