The Second Department of General Surgery Zhuzhou Hospital Affiliated to Xiangya School of Medicine Central South University Zhuzhou 412007 Hunan Province China;
Department of Pathology Zhuzhou Hospital Affiliated to Xiangya School of Medicine Central South University Zhuzhou 412007 Hunan Province China;
Superficiality; CD34-positive; Fibroblast tumor; Perianal; Diagnosis; Case report;