The empty internal auditory canal
Anderson, C.G.
Australasian Radiology 29(2): 116-121
1985
ISSN/ISBN: 0004-8461 PMID: 4062753 Document Number: 248155
The empty pituitary fossa is well recognised. Petrous block tomography in patients referred for exclusion of acoustic neuroma has on three occasions demonstrated an apparently expanded canal, with suggestion of bone erosion, implying an expanding lesion, but C.T. with air has shown only normal structures in an otherwise empty canal.
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