頸部Solitary fibrous tumor例

Solitary fibrous tumor (SFT) is a relatively rare myofibroblastic tumor involving the pleura and peritoneum in most cases. Recently, SFTs arising various sites of the body have been described. The 2013 WHO classification of tumors of soft tissue and bone defines SFT an intermediate-grade tumor that is benign. However, distant metastases have been reported in about 10% of cases.