Expression of vascular endothelial growth factor in human glioma

Objective To study the exprssion of vascular endothelial growth factor in human glioma, and explore the relationship between VEGF and neoplasm invasion?malignant degree and prognosis. Methods A Immunohistochemical method was used to detect the level of VEGF in 52 cases of glioma,4 cases of pituitary adenoma,5 cases of normal brain tissue. Their relation to clinic data was also comparatively analyzed. Results All gliomas expressed VEGF protein,but no VEGF positive staining cell was found in normal brian ti...