A CASE OF cerebellopontine angle petrous bone osteoma manifesting as h
omolateral trigeminal neuralgia and causing a mild brain stem compress
ion is presented. The literature concerning osteomas and particularly
those affecting the temporal bone is reviewed. This is the second repo
rt of an osteoma located on the inner surface of the petrous bone and
causing intracranial complications. Moreover, we discuss the intracran
ial tumors presenting with trigeminal neuralgia or atypical facial pai
n.