Fig. 2

A CT cisternography performed in prone position depicting the scalloping along the antero-medial aspect of the right temporal bone (red arrow) with contrast leak through this into the adjacent hyper-pneumatized petrous bone. B CT cisternography coronal section demonstrating the increased density corresponding to the contrast leak into the right mastoid air cells (red arrow) and middle ear and C CT cisternography axial section demonstrating contrast leak at the nasopharyngeal opening of the right Eustachian tube (red arrow). D CT cisternography coronal section demonstrating the contrast leak into the right nares (red arrow) with the nasal pledgets showing contrast soakage (red arrowhead)