Fig. 7
From: Different clinical presentation and management of temporal bone fibrous dysplasia in children
a Axial CT scan of the temporal bone shows massive destruction of the mastoid area with external osteolysis and a fistula in the temporal area. b Axial CT scan at the level of the oval window shows massive fibrous dysplasia involving the temporal bone as well as opacification of the mastoid and middle ear cavity with ossicles destruction and stenosis of the external auditory canal