Panel discussion: Glomus jugulare tumors of the temporal bone. Malcolm D. Graham, Ann Arbor, mich., moderator. Radiological appearance of glomus tumors

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Abstract
Depending upon the stage of pathogenesis, some glomus tumors demonstrate characteristic radiographic findings which permit a presumptive diagnosis of this type of tumor. Three factors are helpful in interpreting multidirectional tomography of the temporal bone when a glomus tumor is suspected. The tumor shows a predilection for bony erosion of the carotid crest and hypotympanum. It tends to destroy bone in its path by small lobulated invasions producing a fairly well demarcated border of crescentic shaped translucencies. In contradistinction to other tumors and infections, glomus tumors tend to spare the lateral wall of the attic and the ossicular chain even when the tumor is fairly well advanced in size.

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