Letter to the Editor - Fibrous Dysplasia of the Temporal Bone

We would like to report a case of fibrous dysplasia of the temporal bone in a 15 year female, who presented with occipital headache for four months. On examination there was deviation of the angle of the mouth towards the right side and partial closure of the left eye while laughing. There was no impaired hearing. There was lower motor neurone palsy of the 7th cranial nerve on the left side with downgoing planters. Plain radiographs of the skull showed ground glass appearance of the temporal bone on the left side (Fig. 1,2). Axial CT showed extensive involvement of the left temporal bone and mastoids by pagetoid fibrous dysplasia producing classic ground glass appearance. There is also extension of the process into the occipital bone, sphenoid bone and posterior cranial fossa.