نتایج جستجو برای: microvessel density
تعداد نتایج: 411523 فیلتر نتایج به سال:
Many retrospective studies have recently shown that microvessel density could represent a valid independent prognostic factor for overall survival and disease-free survival for primary tumours. The fact that oral tumours with a higher microvessel density showed a tendency to present distant metastasis and a bad prognosis, suggested that angiogenetic activity would play a pivotal role also in or...
We studied the prognostic value of angiogenesis grading and microvessel density estimation in newly diagnosed multiple myeloma. Seventy-five patients with newly diagnosed myeloma, treated on Eastern Cooperative Oncology Protocol E9486 and Intergroup study 0141 (S9321) at the Mayo Clinic, were studied. Bone marrow microvessels were examined using immunohistochemical staining for von Willebrand f...
OBJECTIVE Mast cells are associated in angiogenesis in various human and animal neoplasms. However, association of mast cells with tumor microvessel density in canine lymphoma was not previously documented. The objective of the study is to determine if mast cells are increased in canine nodal lymphomas and to evaluate their correlation with tumor microvessel density and grading of lymphomas. ...
PURPOSE Inhibition of angiogenesis has shown clinical success in patients with cancer. Thus, imaging approaches that allow for the identification of angiogenic tumors and the detection of response to anti-angiogenic treatment are of high clinical relevance. EXPERIMENTAL DESIGN We established an in vivo magnetic resonance imaging (MRI) approach that allows us to simultaneously image tumor micr...
AIM OF THE STUDY Recent investigations have taken into account the role of mast cells in prostate cancer formation, analyzing their dual functions (as tumour growth promoters and tumour growth inhibitors). The aim of our study was to compare mast cell infiltration and microvessel density in prostate cancer and in benign prostate hyperplasia. We also attempted to find possible relationships amon...
BACKGROUND/AIM In prostate tumors, angiogenesis, measured as microvessel density, is associated with tumor stage and Gleason score. The aim of this study was determine neovascularization of prostatic adenocarcinomas in core biopsies and corresponding prostatectomies. METHODS The study population included 61 patients who underwent radical prostatectomy (RP) for localized prostate carcinoma pat...
Angiogenesis (neoangiogenesis), a process of neovascularization, is an essential step for local tumor growth and distant metastasis formation. We have analysed angiogenesis status: vascular architecture, microvessel density, and vascular endothelial growth factors expression in 62 adrenal pheochromocytomas: 57 benign and 5 malignant. Immunohistochemical evaluation revealed that vascular archite...
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