Table 2 Immunohistochemical characteristics of nonepithelial prostatic spindle cell lesions
STUMP | SS | Leiomyosarcoma | Rhabdomyosarcoma | IMT | SFT | GIST | |
|---|---|---|---|---|---|---|---|
CD34 | + | + | − | − | − | + | + |
SMA | ± | − | + | + | + | − | ± |
Desmin | ± | − | + | + | + | − | ± |
Myogenin | − | − | − | + | − | − | − |
c-kit | − | − | − | − | ± | − | + |
ALK-1 | − | − | − | − | + | − | − |
PR | + | + | ± | − | − | ± | − |
