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Stomach GIST

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https://www.readbyqxmd.com/read/28616611/technical-success-and-short-term-results-of-surgical-treatment-of-gastrointestinal-stromal-tumors-an-experience-of-three-centers
#1
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
#2
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
https://www.readbyqxmd.com/read/28604382/surgical-treatment-of-gastric-stromal-tumors-laparoscopic-versus-open-approach
#3
Monica Ortenzi, Roberto Ghiselli, Luca Cardinali, Mario Guerrieri
AIM: Gastrointestinal stromal tumors (GIST) are quite rare tumors, but yet they are the most common mesenchymal lesions of gastrointestinal tract. Their outmost frequent origin site is stomach and presently surgical resection is the mainstay in the treatment of gastric non metastatic GIST. Their peculiar characteristic of growth and poor metastatic tendency make this tumors particularly prone to be managed by minimally invasive technique. Presenting our experience we want show the feasibility and safeness of laparoscopic approach for gastric GIST and its benefits versus traditional open surgery and pointing out short term and long terms outcomes...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28595816/impact-of-body-mass-index-on-the-short-term-outcomes-of-resected-gastrointestinal-stromal-tumors
#4
Zachary E Stiles, Tyler M Rist, Paxton V Dickson, Evan S Glazer, Martin D Fleming, David Shibata, Jeremiah L Deneve
BACKGROUND: Potentially curative treatment for gastrointestinal stromal tumors (GIST) involves resection with selective utilization of tyrosine kinase inhibitors. A potential association between obesity and GIST has been postulated as GIST is among the most common incidental findings during gastric resection for bariatric procedures. The purpose of this study is to investigate the relationship and impact of obesity on the pathologic and short-term outcomes in patients with GIST. METHODS: We performed a retrospective review of patients with resected GIST...
May 10, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28584517/a-rare-case-of-mesenteric-gastrointestinal-stromal-tumor-presenting-as-acute-abdomen
#5
Anant Sadanand Ramani, Guruprasad Huske, Francisco P Noronha
Gastrointestinal stromal tumours (GIST) are rare tumours arising from mesenchyme of gastrointestinal tract and overexpress C-kit protein. Mainly seen in stomach and small bowel. Mesenteric GIST are rarely reported as they constitute less than 1% of total GIST. We here report such a rare case of GIST arising from mesentery of small bowel and presenting as acute abdomen. Good surgical clearance ensures good survival whereas incomplete resection results in a high incidence of recurrences with distant metastasis...
January 2017: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
https://www.readbyqxmd.com/read/28537566/intramural-gastric-hematoma-imitating-a-gastrointestinal-stromal-tumor-case-report-and-literature-review
#6
Arkadiusz Spychała, Piotr Nowaczyk, Aleksandra Budnicka, Ewa Antoniewicz, Dawid Murawa
The article presents a case report of a patient with an intramural gastric hematoma. Diagnostic examinations were suggestive of a suspected gastrointestinal stromal tumor Normal image was observed in gastroscopic examination while abdominal CT scan revealed a nodular lesion along the greater curvature of the stomach extending from the posterior wall and adjoining the pancreas and the spleen. The patient was qualified for surgical treatment. Laparotomy was performed followed by total gastric resection and Roux-en-Y reconstruction of the gastrointestinal tract...
April 30, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28535156/phase-ii-study-of-neoadjuvant-imatinib-in-large-gastrointestinal-stromal-tumours-of-the-stomach
#7
Yukinori Kurokawa, Han-Kwang Yang, Haruhiko Cho, Min-Hee Ryu, Toru Masuzawa, Sook Ryun Park, Sohei Matsumoto, Hyuk-Joon Lee, Hiroshi Honda, Oh Kyoung Kwon, Takashi Ishikawa, Kyung Hee Lee, Kazuhito Nabeshima, Seong-Ho Kong, Toshio Shimokawa, Jeong-Hwan Yook, Yuichiro Doki, Seock-Ah Im, Seiichi Hirota, Seokyung Hahn, Toshirou Nishida, Yoon-Koo Kang
BACKGROUND: Gastrointestinal stromal tumours (GISTs) with high-risk features have poor prognosis even if adjuvant treatment is given. Neoadjuvant imatinib may increase the cure rate by shrinking large GISTs and preserve organ function. METHODS: We conducted an Asian multinational phase II study for patients with gastric GISTs ≥10 cm. Patients received neoadjuvant imatinib (400 mg/day) for 6-9 months. The primary end point was R0 resection rate. RESULTS: A total of 56 patients were enroled in this study...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28522781/laparoscopic-gastric-resections-with-per-oral-specimen-extraction-in-treatment-of-intramural-gastric-tumors
#8
Maciej Stanek, Piotr Major, Mateusz Wierdak, Michał Pędziwiatr, Dorota Radkowiak, Anna Zychowicz, Andrzej Budzyński
AIM: The goal of this work was to present our experiences and results of treatment of gastric tumors using the per oral specimen extraction (POSE) technique. MATERIAL AND METHODS: A retrospective analysis a group of patients treated with laparoscopic stomach wedge resection of gastrointestinal stromal tumor (GIST). During that time 50 patients underwent laparoscopy due to the suspicion of GIST. In 12 patients resected material was removed endoscopically per os (POSE)...
February 28, 2017: Polski Przeglad Chirurgiczny
https://www.readbyqxmd.com/read/28511075/using-endoscopy-to-minimize-the-extent-of-resection-in-the-management-of-giant-gists-of-the-stomach
#9
Hishaam Ismael, Yury Ragoza, Steven Cox
INTRODUCTION: The stomach is the most common site for GISTs. Wide local resection to achieve negative margins is the standard of care. Giants GISTs requiring extensive resection are usually managed with neo-adjuvant therapy followed by partial or total gastrectomy. PRESENTATION OF CASE: We present a case report of a giant GIST on the lesser curvature of the stomach. Neo-adjuvant therapy was administered. Intra-operative endoscopy was used to reduce the extent of gastric resection...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28488171/clinical-and-pathological-characteristics-of-gastrointestinal-stromal-tumor-gist-metastatic-to-bone
#10
Kemal Kosemehmetoglu, Gulsah Kaygusuz, Karen Fritchie, Ovgu Aydin, Ozlem Yapicier, Oznur Coskun, Ersin Karatayli, Senay Boyacigil, Gulnur Guler, Sergulen Dervisoglu, Isinsu Kuzu
Our aim in this study was to describe the clinical, morphological, and molecular profile of gastrointestinal stromal tumor (GIST) metastatic to bone. We analyzed the morphological, phenotypic, and molecular characteristics of seven cases, and in addition reviewed 17 cases from literature. Sequence analysis of KIT and PDGFRA genes was possible for six cases. For the GIST cases with bone metastasis, the most common primaries were small intestine (29%), stomach (25%), and rectum (21%). Sites of bone metastases were vertebrae (11), pelvis (8), femur (8), ribs (6), humerus (5), skull (3), scapula (1), and mandible (1)...
May 9, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28485054/egfr-gene-mutation-in-gastrointestinal-stromal-tumors
#11
Shan-Shan Shi, Nan Wu, Yan He, Xue Wei, Qiu-Yuan Xia, Xuan Wang, Sheng-Bin Ye, Rui Li, Qiu Rao, Xiao-Jun Zhou
AIMS: The aim of this study was to evaluate the mutation status of EGFR in gastrointestinal stromal tumours and its association with various clinicopathological variables as well as to further discuss its effects of EGFR mutations on tumor formation and progression. METHODS: A well-characterized cohort of 323 GISTs, obtained between 2010 and 2015 from the surgical pathology files of at the Department of Pathology of the Nanjing Jinling Hospital, was screened for mutations in exon 19 and 21 of the EGFR gene...
May 9, 2017: Histopathology
https://www.readbyqxmd.com/read/28469470/prognostic-value-of-her2-neu-expression-in-gastrointestinal-stromal-tumors-immunohistochemical-study
#12
Ahmed M Abd El-Aziz, Eman A Ibrahim, Ashraf Abd-Elmoghny, Mohammed El-Bassiouny, Zina M Laban, Somaia A Saad El-Din, Youhanna Shohdy
BACKGROUND: Gastrointestinal stromal tumor (GIST) is a relatively rare type of neoplasms. In Egypt, it represents 2.5% of gastrointestinal tumors and 0.3% of all malignancies. Most of the GISTs develop in the stomach. AIM: To reveal the significance of Her2/neu immunohistochemical expression in GIST and its correlation with other histopathologic parameters and tumor relapse after regular follow-up. PATIENTS AND METHODS: This study is a retrospective and prospective cohort...
2017: Cancer Growth and Metastasis
https://www.readbyqxmd.com/read/28465823/uk-clinical-practice-guidelines-for-the-management-of-gastrointestinal-stromal-tumours-gist
#13
Ian Judson, Ramesh Bulusu, Beatrice Seddon, Adam Dangoor, Newton Wong, Satvinder Mudan
BACKGROUND: Soft tissue sarcomas (STS) are rare tumours arising in mesenchymal tissues. Gastrointestinal stromal tumour (GIST) is the commonest STS and arises within the wall of the gastrointestinal (GI) tract. While most GISTs occur in the stomach they do occur in all parts of the GI tract. As with other STS, it is important that GISTs are managed by expert teams, to ensure consistent and optimal treatment, as well as recruitment to clinical trials, and the ongoing accumulation of further knowledge of the disease...
2017: Clinical Sarcoma Research
https://www.readbyqxmd.com/read/28429313/gradually-shrinking-intra-abdominal-desmoid-tumor-derived-from-the-stomach-in-a-young-boy-a-case-report
#14
Kazushi Miyata, Masahide Fukaya, Masato Nagino
BACKGROUND: Intra-abdominal desmoid tumors, particularly those derived from the stomach, are rare. Such tumors are associated with a history of familial adenomatous polyposis (FAP), trauma, or surgical procedures in general. In addition, spontaneous shrinking of an intra-abdominal desmoid tumor is rarer. And desmoid tumors most commonly arise during the fourth decade of life. CASE PRESENTATION: A 17-year-old boy with lower abdominal pain was diagnosed with a gastrointestinal stromal tumor (GIST) or a hematoma at a local hospital...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28416775/volatile-organic-compounds-in-gastrointestinal-stromal-tumour-tissue-originating-from-patient-derived-xenografts
#15
Renata Wawrzyniak, Agnieszka Woźniak, Yemarshet Gebreyohannes, Bartosz Dykcik, Patrick Schöffski, Michal Markuszewski
Gastrointestinal stromal tumours (GIST) are the most common mesenchymal neoplasms of the gastrointestinal tract, localized mainly in the stomach or small intestine. The metabolomic signature of GIST signature associated with various mutations in KIT gene remains undiscovered and unexplored. The main aim of this pilot study was to determine and compare metabolomic profiles in GIST xenograft models with different genetic background. Metabolomic profiling using gas chromatography coupled with mass spectrometry followed by both univariate and multivariate statistical analyses was applied to select metabolites which differentiate the GIST models studied...
April 18, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28399879/splenosis-with-lower-gastrointestinal-bleeding-mimicking-colonical-gastrointestinal-stromal-tumour
#16
Shuo-Meng Xiao, Rui Xu, Xiao-Li Tang, Zhi Ding, Ji-Man Li, Xiang Zhou
BACKGROUND: Splenosis refers to the heterotopic transplantation of splenic tissue following splenic trauma or splenectomy. Splenosis is typically asymptomatic and is often identified incidentally. CASE PRESENTATION: We report a case of splenosis with colon and stomach invasion presenting as lower gastrointestinal bleeding and mimicking colonic gastrointestinal stromal tumour (GIST). The importance of suspicion for splenosis in patients with a history of splenic injury should be highlighted...
April 11, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28395384/laparoscopic-and-luminal-endoscopic-cooperative-surgery-can-be-a-standard-treatment-for-submucosal-tumors-of-the-stomach-a-retrospective-multicenter-study
#17
Tatsuo Matsuda, Souya Nunobe, Toshiyuki Kosuga, Hiroshi Kawahira, Noriyuki Inaki, Shuji Kitashiro, Nobutsugu Abe, Isao Miyashiro, Sayaka Nagao, Masahiko Nishizaki, Naoki Hiki
Background and study aims We have developed a combined laparoscopic and luminal endoscopic surgery technique for resection of gastric submucosal tumors (SMTs) that can be performed without excessive resection of the stomach. In a multicenter retrospective study we aimed to evaluate the feasibility and safety of laparoscopic and endoscopic cooperative surgery (LECS) for gastric SMT resection. Patients and methods Between October 2007 and December 2011, 126 patients with gastric SMTs underwent LECS at 8 institutions...
May 2017: Endoscopy
https://www.readbyqxmd.com/read/28374258/a-novel-grasp-and-loop-closure-method-for-defect-closure-after-endoscopic-full-thickness-resection-with-video
#18
Jian-Wei Hu, Lei Ge, Ping-Hong Zhou, Quan-Lin Li, Yi-Qun Zhang, Wei-Feng Chen, Tao Chen, Li-Qing Yao, Mei-Dong Xu, Yuan Chu
BACKGROUND: Endoscopic full-thickness resection (EFTR) is a minimally invasive method for en bloc resection of gastrointestinal (GI) lesions originating from the muscularis propria layer. Successful closure of the wall defect is a critical step. OBJECTIVE: The aim of this study was to evaluate the feasibility and efficacy of a novel and simplified endoscopic grasp-and-loop (GAL) closure method using an endo-loop assisted with grasping forceps for defect closure...
April 3, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28374257/endoscopic-submucosal-dissection-for-gastric-gastrointestinal-stromal-tumors-a-retrospective-cohort-study
#19
Wei An, Ping-Bo Sun, Jie Gao, Fei Jiang, Feng Liu, Jie Chen, Dong Wang, Zhao-Shen Li, Xin-Gang Shi
BACKGROUND AND AIM: Endoscopic submucosal dissection (ESD) has been used to remove submucosal tumors. However, with regard to the potential malignant behavior of gastrointestinal stromal tumors (GISTs), whether ESD can be recommended for treatment is still controversial. Therefore, we evaluated the efficacy and safety of ESD for removal of GISTs in the muscularis propria (MP) layer and to assess the possible risk factors for a gastric-wall defect (GWD). METHODS: For 168 GISTs located in the MP layer from 168 consecutive patients, the baseline information, complications, and therapeutic outcomes were recorded...
April 3, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28372349/perivascular-epithelioid-cell-tumor-in-the-stomach
#20
Sun Ah Shin, Jiwoon Choi, Kyung Chul Moon, Woo Ho Kim
Perivascular epithelioid cell tumors or PEComas can arise in any location in the body. However, a limited number of cases of gastric PEComa have been reported. We present two cases of gastric PEComas. The first case involved a 62-year-old woman who presented with a 4.2 cm gastric subepithelial mass in the prepyloric antrum, and the second case involved a 67-year-old man with a 5.0 cm mass slightly below the gastroesophageal junction. Microscopic examination revealed that both tumors were composed of perivascular epithelioid cells that were immunoreactive for melanocytic and smooth muscle markers...
April 4, 2017: Journal of Pathology and Translational Medicine
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