Immunohistochemical analysis showed the tumour cells were positive for ER, PgR, CD34,Desmin, CD99, BCL-2 and negative for H-caldesmon, SMA, c-Kit, S100 protein, MNF116,HMB45 and melan A. Less than 2% of cells were positive for Ki67. The gene discussed is CD34; the disease is neoplasm.