2014 Volume 24 Issue 1 Pages 115-121
SFT is a rare tumor that generally occurs in the pleura. Recently, SFT has been reported in extrapleural sites including the head and neck region. We report four cases of solitary fibrous tumor (SFT) in the head and neck region. The first patient was a 79-year-old woman, in whom a tumor found in the right side of the trachea by echography or by ultrasonography was removed and was histopathologically and immunohistochemically diagnosed as SFT. The second patient was a 33-year-old woman who complained of epistaxis from a vascular-rich tumor in the left side of the nasal cavity. The tumor was removed through a sublabial approach. The third patient was a 47-year-old man who had been aware of a tumor of 80 mm in diameter located in the right side of the neck, which was surgically resected. The fourth patient was a 63-year-old woman, in whom SFT had recurred several times since 9 years of age and metastasized to the neck. The metastasis was removed by segmental mandibular resection. In all cases, the tumors showed the patternless pattern histopathologically and were positive for vimentin and CD34 immunohistochemically, indicative of the diagnosis of SFT. Although SFT recurred in the lumbar spine two years later in the fourth patient, the other three patients showed no evidence of recurrence following the surgical resection.
