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8篇 您的检索式:作者名="Gregory Kaltsas"
    题名 作者 年代 出处 被引量
1Metastatic type 1 gastric carcinoid:A real threat or just a myth?显示文摘AIM:To describe disease characteristics and treatment modalities in a group of rare patients with metastatic gastric carcinoid type 1(GCA1).METHODS:Information on clinical,biochemical,radiological,histopathological findings,the extent of the disease,as well as the use of different therapeutic modalities and the long-term outcome were recorded.Patients’data were assessed at presentation,and thereafter at 6 to 12 monthly intervals both clinically and biochemically,but also endoscopically and histopathologically.Patients were evaluated for the presence of specific symptoms;the presence of autoimmune disorders and the presence of other gastrointestinal malignancies in other family members were also recorded.The evaluation of response to treatment was defined using established WHO criteria.RESULTS:We studied twenty consecutive patients with a mean age of 55.1 years.The mean follow-up period was 83 mo.Twelve patients had regional lymph node metastases and 8 patients had liver metastases.The primary tumor mean diameter was 20.13±10.83mm(mean±SD).The mean Ki-67 index was 6.8%±11.2%.All but one patient underwent endoscopic or surgical excision of the tumor.The disease was stable in all but 3 patients who had progressive liver disease.All patients remained alive during the follow-up period.CONCLUSION:Metastatic GCA1 carries a good overall prognosis,being related to a tumor size of≥1 cm,an elevated Ki-67 index and high serum gastrin levels.Simona Grozinsky-Glasberg Dimitrios Thomas Jonathan R Strosberg Ulrich-Frank Pape Stephan Felder Apostolos V Tsolakis Krystallenia I Alexandraki Merav Fraenkel Leonard Saiegh Petachia Reissman Gregory Kaltsas David J Gross 2013World Journal of Gastroenterology2013,19,46:11
2Gastric neuroendocrine neoplasms type 1: A systematic review and meta-analysis显示文摘BACKGROUND To date, the histopathological parameters predicting the risk of lymph node (LN) metastases and local recurrence, associated mortality and appropriateness of endoscopic or surgical resection in patients with gastric neuroendocrine neoplasms type 1 (GNENs1) have not been fully elucidated. AIM To determine the rate of LN metastases and its impact in survival in patients with GNEN1 in relation to certain clinico-pathological parameters. METHODS The PubMed, EMBASE, Cochrane Library, Web of Science and Scopus databases were searched through January 2019. The quality of the included studies and risk of bias were assessed using the Newcastle-Ottawa Scale (NOS) in accordance with the Cochrane guidelines. A random effects model and pooled odds ratios (OR) with 95%CI were applied for the quantitative meta-analysis. RESULTS We screened 2933 articles. Thirteen studies with 769 unique patients with GNEN1 were included. Overall, the rate of metastasis to locoregional LNs was 3.3%(25/769). The rate of LN metastases with a cut-off size of 10 mm was 15.3% for lesions > 10 mm (vs 0.8% for lesions < 10 mm) with a random-effects OR of 10.5 (95%CI: 1.4 -80.8;heterogeneity: P = 0.126;I2 = 47.5%). Invasion of the muscularis propria was identified as a predictor for LN metastases (OR: 17.2;95%CI: 1.8-161.1;heterogeneity: P = 0.165;I2 = 44.5%), whereas grade was not clearly associated with LN metastases (OR: 2;95%CI: 0.3-11.6;heterogeneity: P = 0.304;I2 = 17.4%). With regard to GNEN1 local recurrence, scarce data were available. The 5-year disease-specific survival for patients with and without LN metastases was 100% in most available studies irrespective of the type of intervention. Surgical resection was linked to a lower risk of recurrence (OR: 0.3;95%CI: 0.1-1.1;heterogeneity: P = 0.173;I2 = 31.9%). The reported complication rates of endoscopic and surgical intervention were 0.6 and 3.8%, respectively. CONCLUSION This meta-analysis confirms that tumor size ≥ 10 mm and invasion of the muscularis propria are linked to a higher risk of LN metastases in patients with GNEN1. Overall, the metastatic propensity of GNEN1 is low with favorable 5- year disease-specific survival rates reported;hence, no clear evidence of the prognostic value of LN positivity is available. Additionally, there is a lack of evidence supporting the prediction of local recurrence in GNEN1, even if surgery was more often a definitive treatment.Apostolos V Tsolakis Athanasia Ragkousi Miroslav Vujasinovic Gregory Kaltsas Kosmas Daskalakis 2019World Journal of Gastroenterology2019,25,35:6
3ENETS Consensus Guidelines for the Management of Patients with Digestive Neuroendocrine Neoplasms: Functional Pancreatic Endocrine Tumor Syndromes显示文摘Jensen Robert T Cadiot Guillaume Brandi Maria L De Herder Wouter W Kaltsas Gregory Komminoth Paul Scoazec Jean-yves Salazar Ramon Sauvanet Alain Kianmanesh Reza 2012Neuroendocrinology2012,,2:3
4ENETS Consensus Guidelines for the Management of Patients with Digestive Neuroendocrine Neoplasms: Functional Pancreatic Endocrine Tumor Syndromes显示文摘Jensen Robert T Cadiot Guillaume Brandi Maria L De Herder Wouter W Kaltsas Gregory Komminoth Paul Scoazec Jean-yves Salazar Ramon Sauvanet Alain Kianmanesh Reza 2012Neuroendocrinology2012,,2:1
5ENETS Consensus Guidelines for the Management of Patients with Digestive Neuroendocrine Neoplasms: Functional Pancreatic Endocrine Tumor Syndromes显示文摘Jensen Robert T Cadiot Guillaume Brandi Maria L De Herder Wouter W Kaltsas Gregory Komminoth Paul Scoazec Jean-yves Salazar Ramon Sauvanet Alain Kianmanesh Reza 2012Neuroendocrinology2012,,2:1
6Hepatic steatosis in young lean insulin resistant women with polycystic ovary syndrome显示文摘Athina Markou Ioannis I. Androulakis Christos Mourmouris Ageliki Tsikkini Christianna Samara Stavros Sougioultzis George Piaditis Gregory Kaltsas 2010Fertility and Sterility2010,,4:1
7Metabolic syndrome: definitions and controversies 显示文摘Eva Kassi Panagiota Pervanidou Gregory Kaltsas 2011BMC Med2011,9,1:1
8Current concepts in the diagnosis and management of type 1 gastric neuroendocrine neoplasms显示文摘Gregory Kaltsas Simona Grozinsky‐Glasberg Krystallenia I. Alexandraki Dimitrios Thomas Apostolos V. Tsolakis David Gross Ashley B. Grossman 2014Clin Endocrinol2014,,2:1
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