Methods The expression of VEGF and MVD were detected in the plastic section of needle biopsy of MM marrow by first visit of immunohistochemical SP technique.

• 方法在骨髓活检塑料包埋切片中,用免疫组化定位检测血管内皮生长因子在多发性骨髓瘤骨髓组织的表达情况和微血管密度。