Frequent expression of bcl-2 protein in solitary fibrous tumors.

  title={Frequent expression of bcl-2 protein in solitary fibrous tumors.},
  author={Tadashi Hasegawa and Yoshihiro Matsuno and Tadakazu Shimoda and Setsuo Hirohashi and Takanori Hirose and Takeshi Sano},
  journal={Japanese journal of clinical oncology},
  volume={28 2},
The distinction of solitary fibrous tumors from histologically similar neoplasms is often difficult because they rarely occur at a variety of extrapleural sites. CD34 immunoreactivity has recently been recognized to be an adjunct for the diagnosis of solitary fibrous tumors. However, it is now known that CD34 staining is not entirely specific for this entity. We evaluated 23 solitary fibrous tumors and 54 other spindle cell tumors often considered in the differential diagnosis for… CONTINUE READING