Solitary fibrous tumor of the nasal cavity

Solitary fibrous tumor (SFT) belongs to a group of mesenchymal tumors, 1 first described as a primary spindle cell tumor of the pleura in 1931. 2 Recently, SFT has been reported in various locations with no relation to serosal surfaces. Sites such as the lung, 3 liver, 4 thyroid, 5 sublingual gland, 6 and parapharyngeal space 7 have been reported. SFTs of the upper respiratory tract, including the nasal cavity, paranasal sinuses, and nasopharynx, are extremely rare, with only 9 previously reported cases. 8-11 Most of the tumors involved the nasal cavity with or without extension to the nasopharynx or the paranasal sinuses. We report the tenth case of SFT of the nasal cavity with extension to the maxillary and ethmoid sinuses.