Solitary fibrous tumors are well-described neoplasms found predominantly in
the subpleural region but also in many other body sites. They generally be
have in a benign fashion, although a few cases that exhibit a malignant cou
rse have been reported. Genetic information on solitary fibrous tumors is s
parse. This case illustrates a previously unreported finding of a tumor-spe
cific t(9;22) (q31;p13) in a solitary fibrous tumor of the orbit of a 58-ye
ar-old man.