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Gastrointestinal tumors stromal

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https://www.readbyqxmd.com/read/29325243/-comments-on-the-2017-update-version-of-the-consensus-on-pathologic-diagnosis-of-gastrointestinal-stromal-tumor
#1
(no author information available yet)
No abstract text is available yet for this article.
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29324374/ileal-gist-presenting-with-bacteremia-and-liver-abscess-a-case-report-and-review-of-literature
#2
Marina Gorelik, Braulio Sabates, Adel Elkbuli, Tony Dunne
INTRODUCTION: Small intestine gastrointestinal stromal tumors can infrequently present with intra-abdominal abscess, perforation, obstruction or fistula. Tumor-small intestine fistula is a rare phenomenon and occurs as a result of GISTs' propensity to cause mucosal ulceration. This allows bacteria from the gut to gain access to the systemic circulation and predisposes the patient to bacteremia and pyogenic liver abscess. PRESENTATION OF CASE: We present a case of a 63-year-old female whose initial symptoms included fever, nausea, vomiting and right upper quadrant pain...
December 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29321555/fourier-transform-infrared-microscopy-enables-guidance-of-automated-mass-spectrometry-imaging-to-predefined-tissue-morphologies
#3
Jan-Hinrich Rabe, Denis A Sammour, Sandra Schulz, Bogdan Munteanu, Martina Ott, Katharina Ochs, Peter Hohenberger, Alexander Marx, Michael Platten, Christiane A Opitz, Daniel S Ory, Carsten Hopf
Multimodal imaging combines complementary platforms for spatially resolved tissue analysis that are poised for application in life science and personalized medicine. Unlike established clinical in vivo multimodality imaging, automated workflows for in-depth multimodal molecular ex vivo tissue analysis that combine the speed and ease of spectroscopic imaging with molecular details provided by mass spectrometry imaging (MSI) are lagging behind. Here, we present an integrated approach that utilizes non-destructive Fourier transform infrared (FTIR) microscopy and matrix assisted laser desorption/ionization (MALDI) MSI for analysing single-slide tissue specimen...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29318911/comparison-of-three-prognostic-models-for-predicting-cancer-specific-survival-among-patients-with-gastrointestinal-stromal-tumors
#4
Hani Oweira, Jan Schmidt, Arianeb Mehrabi, Hasan Kulaksiz, Paul Schneider, Othmar Schöb, Anwar Giryes, Omar Abdel-Rahman
AIM: To evaluate the predictive value for cancer-specific survival of the models of the American Joint Committee on Cancer (AJCC) stage, NIH and Armed Forces Institute of Pathology (AFIP) among patients with gastrointestinal stromal tumors (GISTs). METHODS: Surveillance, Epidemiology and End Results database (2010-2014) was accessed. Overall survival analysis and adjusted cancer-specific Cox regression hazard was calculated. RESULTS: For gastric GISTs, concordance-index according to AJCC was 0...
January 10, 2018: Future Oncology
https://www.readbyqxmd.com/read/29318761/suitability-of-the-cellienttm-cell-block-method-for-diagnosing-soft-tissue-and-bone-tumors
#5
W Song, B M van Hemel, A J H Suurmeijer
BACKGROUND: The diagnosis of tumors of soft tissue and bone (STB) heavily relies on histological biopsies, whereas cytology is not widely used. CellientTM cell blocks often contain small tissue fragments. In addition to Hematoxylin and Eosin (H&E) interpretation of histological features, immunohistochemistry (IHC) can be applied after optimization of protocols. The objective of this retrospective study was to see whether this cytological technique allowed us to make a precise diagnosis of STB tumors...
January 10, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29315500/long-term-outcome-of-dasatinib-first-line-treatment-in-gastrointestinal-stromal-tumor-a-multicenter-2-stage-phase-2-trial-swiss-group-for-clinical-cancer-research-56-07
#6
Michael Montemurro, Angela Cioffi, Julien Dômont, Piotr Rutkowski, Arnaud D Roth, Roger von Moos, Roman Inauen, Maud Toulmonde, Roger O Burkhard, Claudio Knuesli, Sebastian Bauer, Philippe Cassier, Heike Schwarb, Axel Le Cesne, Dieter Koeberle, Daniela Bärtschi, Daniel Dietrich, Christine Biaggi, John Prior, Serge Leyvraz
BACKGROUND: Tyrosine kinase inhibitors (TKIs) have improved the outcome of patients with gastrointestinal stromal tumors (GISTs), but most patients eventually develop resistance and progress. Dasatinib is a potent inhibitor of BCR-ABL, KIT, and SRC family kinases as well as imatinib-resistant cells. In GISTs, response evaluation is routinely done using computed tomography (CT) and 18 F-fluorodeoxyglucose positron emission tomography coupled to CT (FDG-PET/CT) for early response assessment and outcome prediction...
January 9, 2018: Cancer
https://www.readbyqxmd.com/read/29313287/primary-gastric-synovial-sarcoma-mimicking-a-gastrointestinal-stromal-tumor-gist-gastric-synovial-sarcoma
#7
Griffin Olsen, Eliza W Beal, Sheryl Pfeil, Mary Dillhoff
No abstract text is available yet for this article.
January 8, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29312652/tyrosine-kinase-inhibitor-sensitive-pdgfr%C3%AE-mutations-in-gist-two-cases-and-review-of-the-literature
#8
Pieter A Boonstra, Jourik A Gietema, Albert J H Suurmeijer, Matthew R Groves, Fernando de Assis Batista, Ed Schuuring, Anna K L Reyners
Gastrointestinal stromal tumors (GISTs) are rare mesenchymal malignancies of the gastrointestinal tract. Most GISTs harbor a c-KIT (80%) or a PDGFRα (10%) mutation that leads to constitutive activation of the tyrosine kinase receptor. Response to treatment with tyrosine kinase inhibitors (TKIs) is dependent on mutational status of the tumor. The most common mutation in PDGFRα, D842V, is known to be imatinib resistant. Almost all other PDGFRα mutations are imatinib sensitive. We describe two patients with a PDGFRα exon 18 mutated GIST responding to treatment with TKIs...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29310354/mesenteric-fibromatosis-after-resection-for-gastrointestinal-stromal-tumor-of-stomach-a-case-report
#9
Yiming Chu, Qingqu Guo, Dan Wu
RATIONALE: Gastrointestinal stromal tumor and mesenteric fibromatosis are rare mesenchymal tumors. Coexistence of these two diseases is uncommon, with only a few anecdotal reports of individuals. PATIENT CONCERNS: Clinical data and treatment of a 43-year-old man with subsequent mesenteric fibromatosis from gastrointestinal stromal tumor are summarized. The Ethics Committee of The Second Affiliated Hospital, College of Medicine, Zhejiang University approved this study, and the patient provided written informed consent form...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29310342/efficacy-and-safety-of-regorafenib-for-advanced-gastrointestinal-stromal-tumor-after-failure-with-imatinib-and-sunitinib-treatment-a-meta-analysis
#10
Zhenan Zhang, Tao Jiang, Wensheng Wang, Daxun Piao
AIMS: This meta-analysis aimed to evaluate the safety and efficacy of regorafenib as a treatment for patients with advanced (metastatic and/or unresectable) gastrointestinal stromal tumor (AGIST) after developing resistance to imatinib and sunitinib. METHODS: A literature search of databases such as PubMed, Embase, and Cochrane library was conducted up to February 2017. The pooled percentages and the corresponding 95% confidence intervals (CIs) were calculated using the Stata 11...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29305814/histopathology-findings-in-patients-undergoing-laparoscopic-sleeve-gastrectomy
#11
Ammiel Martínez Canil, Angelo Iossa, Pietro Termine, Daniela Caporilli, Vincenzo Petrozza, Gianfranco Silecchia
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) has gained popularity in the last 10 years for its good results in weight loss and comorbidity control. However, guidelines on the pathological examination of the specimen are lacking. The aim of this retrospective study was to determine the usefulness of the routine specimen examination when presurgery endoscopy (upper gastrointestinal endoscopy, UGIE) and multiple gastric biopsies are part of the preoperative work-up. METHODS: A retrospective review of records of the patients submitted to LSG between January 2012 and August 2017 was carried out...
January 5, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29299371/management-of-liver-metastases-from-gastrointestinal-stromal-tumors-where-do-we-stand
#12
REVIEW
Nikolaos Machairas, Anastasia Prodromidou, Ernesto Molmenti, Ioannis D Kostakis, Georgios C Sotiropoulos
The recommended management of liver metastases (LM) from gastrointestinal stromal tumors (GISTs) disease consists of perioperative administration of tyrosine kinase inhibitors (TKIs) and surgical resection. The aim of our study was to investigate the efficacy of this therapeutic approach. Studies reporting outcomes for patients underwent liver resection from metastatic gastrointestinal stromal tumor (GIST) were overviewed. Eleven studies were included, which enrolled 240 patients with liver metastasis from GISTs...
December 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29299364/characterization-of-malignant-gastrointestinal-stromal-tumors-a-single-center-experience
#13
Matteo Mandrioli, Laura Mastrangelo, Michele Masetti, Nicola Zanini, Stefania Lega, Margherita Nannini, Elisa Gruppioni, Annalisa Altimari, Angelo Paolo Dei Tos, Carlo Fabbri, Elio Jovine
Background: The recurrence rate, related to the unpredictable behavior of gastrointestinal stromal tumors (GISTs), continues to be a major topic of investigation, since no actual risk evaluation scales have proven to be exceedingly effective in predicting prognosis. We therefore focus in this study on investigating the predictive variables of disease recurrence. Methods: Between September 2004 and January 2011, 34 patients, 18 males and 16 females with a median age of 62 (range, 27-87) years, underwent operations for primary, localized and advanced GISTs...
December 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29297486/mesenchymal-tumors-of-the-prostate
#14
Jesse K McKenney
Mesenchymal tumors of the prostate are rare but often cause considerable diagnostic difficulty when encountered. These may be either benign or malignant and can arise within the prostate gland or in adjacent tissues. This review covers prostatic stromal proliferations (prostatic stromal tumor of uncertain malignant potential and stromal sarcoma), solitary fibrous tumor, myofibroblastic proliferations, smooth muscle neoplasms (leiomyoma and leiomyosarcoma), gastrointestinal stromal tumor, schwannoma, rhabdomyosarcoma, sarcomatoid carcinoma, postradiation sarcoma, and mixed epithelial stromal tumor of the seminal vesicle...
January 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29290914/endoscopic-ultrasound-guided-fine-needle-aspiration-for-diagnosing-a-rare-extraluminal-duodenal-gastrointestinal-tumor
#15
Kazunao Hayashi, Kenya Kamimura, Kazunori Hosaka, Satoshi Ikarashi, Junji Kohisa, Kazuya Takahashi, Kentaro Tominaga, Kenichi Mizuno, Satoru Hashimoto, Junji Yokoyama, Satoshi Yamagiwa, Kazuyasu Takizawa, Toshifumi Wakai, Hajime Umezu, Shuji Terai
Duodenal gastrointestinal stromal tumors (GISTs) are extremely rare disease entities, and the extraluminal type is difficult to diagnose. These tumors have been misdiagnosed as pancreatic tumors; hence, pancreaticoduodenectomy has been performed, although partial duodenectomy can be performed if accurately diagnosed. Developing a diagnostic methodology including endoscopic ultrasonography (EUS) and fine-needle aspiration (FNA) has allowed us to diagnose the tumor directly through the duodenum. Here, we present a case of a 50-year-old woman with a 27-mm diameter tumor in the pancreatic uncus on computed tomography scan...
December 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29286027/-gastrointestinal-stromal-tumors-surgical-treatment-and-targeted-therapy
#16
D Yu Kanner, P V Kononets, A O Shveikin, A L Shestakov
AIM: To improve surgical and complex treatment of patients with gastrointestinal stromal tumors (GIST). MATERIAL AND METHODS: Our analysis included 97 GIST patients who were at Petrovsky Russian Research Center of Surgery and Moscow City Oncological Hospital #62 from January 2006 to September 2016. RESULTS: Advisability of surgery for GIST patients was confirmed. We have assessed surgical outcomes, defined the indications for adjuvant targeted therapy depending on GIST prognostic risk and additional factors for unfavorable course of disease...
2017: Khirurgiia
https://www.readbyqxmd.com/read/29284772/consumptive-hypothyroidism-an-unusual-paraneoplastic-manifestation-of-a-gastric-gastrointestinal-stromal-tumor
#17
T Patial, K Sharma, D Thakur, G Gupta
A 42-year-old hypothyroid shepherd presented with a progressive abdominal lump accompanied by nausea and abdominal fullness. In addition, he had worsening hypothyroidism, despite supranormal doses of thyroxine. Computed tomography of the abdomen was suggestive of a mass lesion in relation to the stomach. A resection of the mass was done and the histopathology was suggestive of gastrointestinal stromal tumor. After surgery, the patient became euthyroid. We believe the patient had consumptive hypothyroidism due to the tumor...
December 2017: Experimental Oncology
https://www.readbyqxmd.com/read/29279471/extracardiac-tumor-from-duodenal-primary-gastrointestinal-stromal-tumor
#18
Shigehiro Miyazaki, Akiyoshi Ogimoto, Shoichi Matsukage, Kiyotaka Ohshima
No abstract text is available yet for this article.
December 27, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29279469/a-giant-gastrointestinal-stromal-tumor-with-cystic-morphology
#19
Ko Harada, Katsunori Matsueda, Tatsuya Toyokawa
No abstract text is available yet for this article.
December 27, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29278883/microrna-152-inhibits-tumor-cell-growth-while-inducing-apoptosis-via-the-transcriptional-repression-of-cathepsin-l-in-gastrointestinal-stromal-tumor
#20
Hong-Jie Lu, Jing Yan, Pei-Ying Jin, Gui-Hong Zheng, Su-Ming Qin, Dong-Mei Wu, Jun Lu, Yuan-Lin Zheng
OBJECTIVE: MicroRNAs are widely thought to play a regulatory role in gene expression. Although the more unique microRNA expression profiles have been reported in several tumors, there remains a scarcity of knowledge in relation to microRNA expression profiles in GISTs. During this study, through the alteration in the expression of microRNA-152 (miR-152) in gastrointestinal stromal tumor (GIST) cells, we subsequently evaluated its ability to influence the processes associated with cancer, including proliferation, migration, invasion, and apoptosis, as well as the associated mechanisms...
December 15, 2017: Cancer Biomarkers: Section A of Disease Markers
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