Dilated intercavernous sinuses: An MR sign of carotid-cavernous and carotid-dural fistulas

A. D. Elster, M. Y.M. Chen, D. N. Richardson, P. R. Yeatts

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

Dilated venous channels traversing the sella and connecting the two cavernous sinuses were seen on contrast-enhanced MR images in four patients with angiographically proved carotid fistulas. The anatomy and variations of these so-called intercavernous sinuses are discussed and are demonstrated in Latex-injected anatomic specimens. Direct visualization of the intercavernous sinuses on contrast-enhanced MR images may serve as an ancillary sign for the diagnosis of carotid-cavernous or carotid-dural fistulas near the sella.

Original languageEnglish
Pages (from-to)641-645
Number of pages5
JournalAmerican Journal of Neuroradiology
Volume12
Issue number4
StatePublished - 1991

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