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Chordoid is a rare variant of meningioma that displays a high recurrence rate. In this study we evaluated the immunohistochemical expression of factors that regulate the neo-angiogenesis process in a case of chordoid meningioma with an adverse clinical course. A high microvessel density (MVD), as well as high VEGF and VEGF-R1 expression, was encountered in this tumor. By contrast, the anti-angiogenic...
Microvessel density (MVD) is considered to be a prognostic marker in many tumours. Nevertheless, conflicting results were achieved regarding its prognostic role in meningiomas when it was quantified through pan-endothelial markers such as CD34, CD31 or Factor VIII. In the present study, MVD was assessed in meningiomas through the specific marker for neo-angiogenesis CD105. Fifty-four formalin fixed,...
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