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https://www.readbyqxmd.com/read/28933558/-oncology-secrets-of-suddenly-deceased-individuals
#1
Kateřina Stoklásková, Miroslav Ďatko, Eva Daňková, Milan Votava, Karel Schneller, Martin Zeman, Tomáš Vojtíšek, Michal Zelený
Malignant neoplasms represent the second most common cause of death in men and women in the Czech Republic after cardiovascular diseases. The incidence, prevalence and mortality is recorded in the Czech National Cancer Registry. The most recent data available is from 2013, in this year there were 81 541 patients newly diagnosed with cancer and 26 944 people died of cancer. From a long-term perspective, the incidence of neoplasms is increasing and the mortality is decreasing. In the Institute of Forensic Medicine in Brno there were 480 cases of newly reported malignant tumors during the period 2010-2015, which were not known before the autopsy...
2017: Soudní Lékarství
https://www.readbyqxmd.com/read/28931294/-carney-triad
#2
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/28923294/fundamental-limit-of-alpha-synuclein-pathology-in-gastrointestinal-biopsy-as-a-pathologic-biomarker-of-parkinson-s-disease-comparison-with-surgical-specimens
#3
Chaewon Shin, Sung-Hye Park, Ji Young Yun, Jung Hwan Shin, Han-Kwang Yang, Hyuk-Joon Lee, Seong-Ho Kong, Yun-Suhk Suh, Guangxun Shen, Yoon Kim, Han-Joon Kim, Beomseok Jeon
OBJECTIVE: Alpha-synuclein (AS) accumulation identified by immunohistochemistry (IHC) of gastrointestinal (GI) tract biopsies is considered as a potential pathologic biomarker for Parkinson's disease (PD). We compared AS IHC findings in biopsy specimens and surgically resected full-depth specimens to examine the reliability of GI tract biopsies. METHODS: We included patients with PD who had undergone operation of the GI tract for treatment of tumors. Controls were matched with age at operation, gender, and surgical resection site...
September 4, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28923119/alk-positive-gastric-inflammatory-myofibroblastic-tumor-in-an-adult-with-familial-adenomatous-polyposis-and-diffuse-fundic-polyposis
#4
Jun Fan, Bo Huang, Xiuping Yang, Ming Yang, Jun He, Xiu Nie
BACKGROUND: Inflammatory myofibroblastic tumor (IMT) of the stomach is extremely rare in adults and exhibits a variable biological behavior that ranges from frequently benign lesions to more aggressive variants. Here we report a case of gastric IMT with lymph node metastasis in an adult who had undergone total colectomy for familial adenomatous polyposis (FAP). CASE PRESENTATION: A 37-year-old man presented gradual-onset epigastric discomfort; he had undergone total colectomy for FAP 6 years before...
September 18, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28922727/the-relevance-of-gastric-cancer-biomarkers-in-prognosis-and-pre-and-post-chemotherapy-in-clinical-practice
#5
REVIEW
Muhammad Abbas, Murad Habib, Muhammad Naveed, Kumaragurubaran Karthik, Kuldeep Dhama, Meiqi Shi, Chen Dingding
Gastric cancer (GC) is one among the major cancer types, causing human deaths and present noticeable heterogeneity. The incidences and mortality rates are higher in males in comparison to females with a male to female ratio of 2.3:1. A lot of studies have revealed out the molecular basis, pathogenesis, invasion and metastasis related findings of gastric stomach cancer. Present review encompasses the salient information on various biomarkers for the early diagnosis, treatment and prognosis of gastric cancer elaborate the clinical importance of serum tumor markers in patients with this cancer as well as checking the growths, together with epigenetic changes and genetic polymorphisms...
September 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28918265/amorphous-liquid-metal-electrodes-enabled-conformable-electrochemical-therapy-of-tumors
#6
Xuyang Sun, Bo Yuan, Wei Rao, Jing Liu
Electrochemical treatment of tumors (EChT) has recently been identified as a very effective way for local tumor therapy. However, hindered by the limited effective area of a single rigid electrode, multiple electrodes are often recruited when tackling large tumors, where too many electrodes not only complicate the clinical procedures but also aggravate patients' pain. Here we present a new conceptual electric stimulation tumor therapy through introducing the injectable liquid metal electrodes, which can adapt to complex tumor shapes so as to achieve desired therapeutic performance...
September 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/28917905/characterization-of-a-water-soluble-chitosan-derivative-and-its-potential-for-submucosal-injection-in-endoscopic-techniques
#7
Hidemi Hattori, Hironori Tsujimoto, Kazuo Hase, Masayuki Ishihara
To examine the potential of chitosan-based agents for submucosal injection in endoscopic techniques, a chitosan derivative was prepared with lactose moieties linked to the amino groups of its glucosamine units (CH-LA). After dissolving CH-LA in neutral pH solutions, including physiological saline (CH-LA-S), its response to different concentrations of anionic glycosaminoglycans and proteins in the surrounding environment was examined. The CH-LA-S form changed in the presence of sulfated glycosaminoglycans (heparin, chondroitin sulfate, and mucin) and protein (fibrinogen)...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28917082/protective-effect-of-salusin-%C3%AE-and-salusin-%C3%AE-against-ethanol-induced-gastric-ulcer-in-rats
#8
Ayhan Tanyeli, Ersen Eraslan, Elif Polat, Tuğba Bal
BACKGROUND: Alcohol consumption has been found to be associated with gastric ulcers, including gastric mucosal lesions. Salusin-α and salusin-β are bioactive peptides having 28 and 20 amino acids, respectively. Salusin-α and salusin-β immunoreactivity has been detected in the stomach and in the intestines. It has been reported that the salusins regulate the cytokine levels and decrease the infarct area in the heart tissue after ischemia. In this study, we investigated the effects of the salusins in the gastric injury formed with ethanol...
September 16, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28915689/different-long-term-oncologic-outcomes-after-radical-surgical-resection-for-neuroendocrine-carcinoma-and-adenocarcinoma-of-the-stomach
#9
Jian-Wei Xie, Jun Lu, Jian-Xian Lin, Chao-Hui Zheng, Ping Li, Jia-Bin Wang, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Chang-Ming Huang
PURPOSE: To explore differences in long-term outcomes between gastric neuroendocrine carcinoma (GNEC) and gastric adenocarcinoma (GAC). METHODS: One hundred GNEC patients and 3089 GAC patients were enrolled. Differences in long-term outcomes between the groups were analyzed by 1:2 propensity score matching. RESULTS: Statistically significant differences between the groups were noted in terms of gender, American Society of Anesthesiologists score, tumor size, T stage, N stage, TNM stage and surgical approach...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28914716/diagnostic-utility-of-satb2-in-metastatic-krukenberg-tumors-of-the-ovary-an-immunohistochemical-study-of-70-cases-with-comparison-to-cdx2-ck7-ck20-chromogranin-and-synaptophysin
#10
Chen Yang, Li Sun, Lingxin Zhang, Lixin Zhou, Ming Zhao, Yan Peng, Dongfeng Niu, Zhongwu Li, Xiaozheng Huang, Qiang Kang, Lin Jia, Jinping Lai, Dengfeng Cao
SATB2 is a sensitive marker for colorectal adenocarcinomas. No study has investigated its diagnostic utility in metastatic Krukenberg tumors (MKTs) of the ovary. Here we performed immunohistochemical staining SATB2 in 70 MKTs of various origins (stomach 27, colorectum 13, appendix 20 including 19 metastatic adenocarcinomas ex goblet cell carcinoids [AdexGCC] and 1 conventional poorly differentiated carcinoma with signet ring cells, breast 5, bladder 3, lung 2) to assess its diagnostic utility. We also compared SATB2 with CDX2, CK7, CK20, chromogranin, and synaptophysin in MKTs of gastric origin (MKTs-stomach), those of colorectal origin (MKTs-colorectum) and those due to appendiceal AdexGCCs (MKT-AdexGCCs) for their sensitivity and specificity to distinguish these tumors...
September 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28913158/dosimetry-and-first-human-experience-with-89-zr-panitumumab
#11
Liza Lindenberg, Stephen Adler, Ismail B Turkbey, Francesca Mertan, Anita Ton, Khanh Do, Shivaani Kummar, Esther Mena Gonzalez, Sibaprasad Bhattacharyya, Paula M Jacobs, Peter Choyke
(89)Zr-panitumumab is a novel immuno-PET radiotracer. A fully humanized IgG2 antibody, panitumumab binds with high affinity to the extracellular ligand binding domain of EGFR. Immuno-PET with radiolabeled panitumumab is a non-invasive method that could characterize EGFR expression in tumors and metastatic lesions. It might also assist in selecting patients likely to benefit from targeted therapy as well as monitor response and drug biodistribution for dosing guidance. Our objective was to calculate the maximum dosing for effective imaging with minimal radiation exposure in a small subset...
2017: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28912897/genomic-analysis-of-tumor-microenvironment-immune-types-across-14-solid-cancer-types-immunotherapeutic-implications
#12
Yu-Pei Chen, Yu Zhang, Jia-Wei Lv, Ying-Qin Li, Ya-Qin Wang, Qing-Mei He, Xiao-Jing Yang, Ying Sun, Yan-Ping Mao, Jing-Ping Yun, Na Liu, Jun Ma
We performed a comprehensive immuno-genomic analysis of tumor microenvironment immune types (TMITs), which is classified into four groups based on PD-L1+CD8A or PD-L1+cytolytic activity (CYT) expression, across a broad spectrum of solid tumors in order to help identify patients who will benefit from anti- PD-1/PD-L1 therapy. The mRNA sequencing data from The Cancer Genome Atlas (TCGA) of 14 solid cancer types representing 6,685 tumor samples was analyzed. TMIT was classified only for those tumor types that both PD-L1 and CD8A/CYT could prefict mutation and/or neoantigen number...
2017: Theranostics
https://www.readbyqxmd.com/read/28912412/-a-case-of-advanced-neuroendocrine-cell-carcinoma-of-the-stomach-treated-with-s-1-and-cisplatin-chemotherapy
#13
Mikiko Sakuraya, Yoshimasa Shimizu, Nobuo Tachikawa, Hitoshi Hara, Masaki Ohashi, Tomoo Shatari, Masao Hori
A 69-year-old man presented to our hospital because of epigastric pain. A type 2 lesion was seen in the lesser curvature of the antrum of the stomach. A moderately differentiated adenocarcinoma(human epidermal growth factor receptor 2-negative) was diagnosed by biopsy. Abdominal computed tomography showed a mass shadow 52mm in diameter in the pyloric region invading the surrounding organs, but no evidence of distant metastasis. Chemotherapy with S-1 and cisplatin(SP therapy)was initiated because of a diagnosis of locally advanced gastric cancer...
September 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28902909/the-cytoprotective-protein-clusterin-is-overexpressed-in-hypergastrinemic-rodent-models-of-oxyntic-preneoplasia-and-promotes-gastric-cancer-cell-survival
#14
Pål Vange, Torunn Bruland, Berit Doseth, Reidar Fossmark, Mirta M L Sousa, Vidar Beisvag, Øystein Sørdal, Gunnar Qvigstad, Helge L Waldum, Arne K Sandvik, Ingunn Bakke
The cytoprotective protein clusterin is often dysregulated during tumorigenesis, and in the stomach, upregulation of clusterin marks emergence of the oxyntic atrophy (loss of acid-producing parietal cells)-associated spasmolytic polypeptide-expressing metaplasia (SPEM). The hormone gastrin is important for normal function and maturation of the gastric oxyntic mucosa and hypergastrinemia might be involved in gastric carcinogenesis. Gastrin induces expression of clusterin in adenocarcinoma cells. In the present study, we examined the expression patterns and gastrin-mediated regulation of clusterin in gastric tissue from: humans; rats treated with proton pump (H+/K+-ATPase) inhibitors and/or a gastrin receptor (CCK2R) antagonist; H+/K+-ATPase β-subunit knockout (H/K-β KO) mice; and Mongolian gerbils infected with Helicobacter pylori and given a CCK2R antagonist...
2017: PloS One
https://www.readbyqxmd.com/read/28902794/lymph-node-metastasis-in-the-prognosis-of-gastroenteropancreatic-neuroendocrine-tumors
#15
Jacob A Martin, Richard R P Warner, Anne Aronson, Juan P Wisnivesky, Michelle Kang Kim
OBJECTIVES: This study aimed to determine the prognostic use of the extent of lymph node (LN) involvement in patients with gastroenteropancreatic neuroendocrine tumors (GEP-NETs) by analyzing population-based data. METHODS: Patients in the Surveillance, Epidemiology, and End Results registry were identified with histologically confirmed, surgically resected GEP-NETs. We divided patients into 3 lymph node ratio (LNR) groups based on the ratio of positive LNs to total LNs examined: 0...
October 2017: Pancreas
https://www.readbyqxmd.com/read/28900995/-association-between-genetic-polymorphisms-and-variation-of-imatinib-pharmacokinetics-in-gastrointestinal-stromal-tumors
#16
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
#17
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/28900989/-clinicopathological-classification-and-prognostic-factors-of-gastrointestinal-neuroendocrine-neoplasms-an-analysis-of-119-cases
#18
Xinli Ma, Wenyi Zhao, Chun Zhuang, Xiaosong Wang, Lin Tu, Ming Wang, Yongwei Sun, Hui Cao
OBJECTIVE: To investigate the clinical characteristics, pathological classification and prognostic factors of gastrointestinal neuroendocrine neoplasms (GI-NENs). METHODS: Clinicopathological data of 119 GI-NENs patients at Shanghai Renji Hospital from November 2007 to December 2016 were analyzed retrospectively. According to the classification and grading criteria of the WHO Neuroendocrine Tumor 2010 edition, patients were classified pathologically to realize the malignant degree of tumors...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28900988/-analysis-of-primary-site-and-pathology-on-903-patients-with-neuroendocrine-neoplasms
#19
Xudong Qiu, Meng Liu, Qing Liu, Zhiying Yang, Jixi Liu, Fanqiang Meng, Zaiyong Wang, Yanfen Shi, Liguo Liu, Pan Zhang, Jie Luo, Huangying Tan
OBJECTIVE: To explore the primary site and pathological feature of neuroendocrine neoplasm (NEN), especially the NEN of digestive system. METHODS: Clinicopathological data of NEN patients at China-Japan Friendship Hospital from January 2012 to December 2016 were retrospectively analyzed. Tumor primary sites were summarized. Association between tumor site and pathological grading in gastroenteropancreatic neuroendocrine neoplasm(GEP-NEN) was examined. RESULTS: There were a total of 903 cases of NEN...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28900479/loss-of-tff1-promotes-pro-inflammatory-phenotype-with-increase-in-the-levels-of-ror%C3%AE-t-t-lymphocytes-and-il-17-in-mouse-gastric-neoplasia
#20
Mohammed Soutto, Mohamed Saleh, Mohamed S Arredouani, Blanca Piazuelo, Abbes Belkhiri, Wael El-Rifai
Background: TFF1 deficiency induces a mucosal pro-inflammatory phenotype that contributes to gastric tumorigenesis in mouse and human. Methods: We utilized the Tff1-KO mouse model to assess the impact of TFF1 loss on immune cells infiltration in the stomach. We used single cell suspension, flow cytometry, immunohistochemistry, and quantitative PCR (qPCR) assays. Results: The Tff1-KO gastric mucosa demonstrated high chronic inflammatory scores (score: 3-4) at age 2 months, which exacerbated at age 8 months (score: 4-6)...
2017: Journal of Cancer
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