Aesthetic Approach for a Buccal Solitary Fibrous Tumor

A Rare Tumor Case Report

抄録

Solitary fibrous tumors (SFTs) are caused by the proliferation of mesenchymal cells. Facial SFTs are rare. Resection scar (of a subcutaneous tumor in the buccal area) is distinctive if it is located at the center of the cheek. To avoid this complication, we resected the lesion using a preauricular incision to approach the superficial musculoaponeurotic system, an approach similar to that used during rhytidectomy (face-lift). A 42-year-old woman underwent tumor resection using this approach. Eight months after, no tumor recurrence was observed. Additionally, no scarring or facial nerve paralysis was observed. Immunostaining of the tumor cells revealed CD34-positive, Bcl-2-positive, STAT6-positive, and some SMA-positive cells, and SFT was diagnosed. This case falls into the low-risk SFT group. Therefore, careful follow-up is necessary for SFTs because they have a high risk of recurrence and local metastasis.