While CD34, is less specific and sensitive marker and can be expressed by other soft tissue neoplasms, in particular the solitary fibrous tumors, dermatofibrosarcoma protuberans, myofibroblastomas, epitheloid sarcomas, gastrointestinal stromal tumors, neural tumors and spindle cell lipomas [2, 17-20]. This evidence concerns the gene CD34 and solitary fibrous tumor.