Intrapulmonary Solitary Fibrous Tumors

Solitary fibrous tumor (SFT) is a ubiquitous neoplasm that arises most commonly from the pleura. SFT arising within lung parenchyma (intrapulmonary SFT) has been rarely reported and is therefore not well recognized. We present a clinicopathologic and immunohistochemical study of 24 cases of primary intrapulmonary SFT. Patients’ ages ranged from 44 to 83 years (mean, 58 y). None of the patients had evidence or history of a similar tumor...