In order to raise the diagnostic rate of early stage breast cancer, it is necessary to perform needle aspiration or operational biopsy by ultrasound or mammography allocation promptly for patients with mammary glands nodules 、 local thickening or pyknic image on mammography. 及时对乳腺结节、局限性增厚、钼靶X线致密影等可疑病灶行组织学穿刺活检或超声以及钼靶定位后手术活检,可提高早期乳腺癌的诊断率。
Using pyknic type reaction kettle or placing baffles can reduce particle size and narrow size distribution. 在添加挡板或者矮胖型的反应釜内得到的微球具有更小的粒径和更窄的尺寸分布。