Abd el-All, who reported on the histopathological and immunohistochemical features of breast spindle cell tumours, then suggests that the Vimentin/CD34 positive fibroblast of mammary stroma could be the result of differentiation from a pluripotential mesenchymal precursor cell with the potential to differentiate toward several mesenchymal lines [18]. This evidence concerns the gene VIM and spindle cell neoplasm.