Solitary fibrous tumor (SFT) is a rare mesenchymal tumor originated from CD34 positive dendritic mesenchymal cells that may occur virtually anywhere throughout the body,[1,2] within the abdominal pelvic cavity are particularly rare, especially giant tumors (up to 20 cm in diameter).[3–5] The imaging features of SFT are many and varied, and preoperative diagnosis is difficult. This evidence concerns the gene CD34 and solitary fibrous tumor.