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Multi–Detector-Row Computed Tomography Imaging of Variant Skull Base Foramina

Ginat, Daniel Thomas MD, MS*; Ellika, Shehanaz K. MD; Corrigan, John MD

Journal of Computer Assisted Tomography: July/August 2013 - Volume 37 - Issue 4 - p 481–485
doi: 10.1097/RCT.0b013e318289b370
Neuroradiology

Abstract: Several inconstant skull base foramina can be observed on multi–detector-row computed tomographic studies. These include the meningo-orbital foramen, foramen of Vesalius, canaliculus innominatus, palatovaginal canal, persistent craniopharyngeal canal, transsphenoidal canal, canalis basilaris medianus, and fossa navicularis. Although many of these foramina are simply incidental findings, there may be associated anomalies and important clinical implications. The multi–detector-row computed tomographic features of variant skull base foramina are depicted and discussed in this article.

From the *Department of Radiology, Massachusetts General Hospital, †Department of Radiology, Boston Children’s Hospital, Boston, MA; and ‡Department of Radiology, Henry Ford Health System, Detroit, MI.

Received for publication November 21, 2012; accepted December 3, 2012.

Reprints: Daniel Thomas Ginat, MD, MS, Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 (e-mail: ginatd01@gmail.com).

The authors have no conflicts of interest for this work.

© 2013 by Lippincott Williams & Wilkins