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Microvessel density in patients with gastrointestinal stromal tumors:A systematic review and meta-analysis

World Journal of Methodology 2023年第3期13卷 153-165页

作者： Konstantinos Perivoliotis Ioannis Baloyiannis Athina A Samara prodromos koutoukoglou Panagiotis Ntellas Katerina Dadouli Maria Ioannou Konstantinos Tepetes Department of Surgery University Hospital of LarissaLarissa 41110Greece Research Methodology in Biomedicine Biostatistics and Clinical BioinformaticsUniversity of Thessaly***Greece Department of Pathology University Hospital of LarissaLarissa 41110Greece

BACKGROUND Gastrointestinal stromal tumors(GISTs)are considered the most common mesenchymal tumors of the gastrointestinal *** density(MVD)constitutes a direct method of vascularity quantification and has been associated with survival rates in multiple *** To appraise the effect of MVD on the survival of patients with *** This study adhered to Systematic reviews and Meta-Analyses guidelines and the Cochrane Handbook for Systematic Reviews of *** scholar databases and grey literature repositories were systematically *** Fixed Effects or Random Effects models were used according to the Cochran Q *** In total,6 eligible studies were *** pooled hazard ratio(HR)for disease free survival(DFS)was 8.52(95%CI:1.69-42.84,P=0.009).The odds ratios of disease-free survival between high and low MVD groups at 12 and 60 mo did not reach statistical *** superiority of the low MVD group in terms of DFS was documented at 36 and 120 mo(OR:8.46,P<0.0001 and OR:22.71,P=0.0003,respectively)as well as at metastases rate(OR:0.11,P=0.0003).CONCLUSION MVD significantly correlates with the HR of DFS and overall survival rates at 36 and 120 *** prospective studies of higher methodological quality are required.

关键词： Vascularity Microvessel density Gastrointestinal stromal Survival Meta-analysis

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Microvessel density in differentiated thyroid carcinoma:A systematic review and meta-analysis

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World Journal of Methodology 2022年第5期12卷 448-458页

作者： Konstantinos Perivoliotis Athina A Samara prodromos koutoukoglou Panagiotis Ntellas Katerina Dadouli Sotirios Sotiriou Maria Ioannou Konstantinos Tepetes Department of Surgery University Hospital of LarissaLarissa 41110Greece Postgraduate Programme Research Methodology in Biomedicine Biostatistics and Clinical BioinformaticsUniversity of ThessalyLarissa 41110Greece Department of Pathology University of ThessalyLarissa 41100Greece Department of Embryology University of ThessalyLarissa 41100Greece

BACKGROUND Microvessel density(MVD)has been proposed as a direct quantification method of tumor ***,the current literature regarding the role of MVD in differentiated thyroid carcinoma(DTC)remains *** To appraise the effect of tumoral MVD on the survival of patients with *** This meta-analysis was based on the PRISMA guidelines and the Cochrane Handbook for Systematic Reviews of *** electronic databases Medline,Web of Science,and Scopus were systematically screened.A fixedeffects or random-effects model was used,according to the Cochran Q *** data were then extracted and assessed on the basis of the Reference Citation Analysis(https://***/).RESULTS A total of nine studies were included in the present *** of low MVD tumors in terms of 10-year disease free survival(OR:0.21,95%CI:0.08–0.53)was *** vascularized thyroid cancers had a lower recurrence rate(OR:13.66,95%CI:3.03–61.48).Moreover,relapsing tumors[weighed mean difference(WMD):11.92,95%CI:6.32–17.52]or malignancies with regional lymph node involvement(WMD:8.53,95%CI:0.04–17.02)presented with higher tumoral MVD *** MVD significantly correlates with the survival outcomes of thyroid cancer ***,considering several study limitations,further prospective studies of higher methodological and quality level are required.

关键词： Cancer Density Microvessel Thyroid Vascularization

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