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American Journal of Neuroradiology, Vol 19, Issue 9 1796-1798, Copyright © 1998 by American Society of Neuroradiology

ARTICLES

Fossa navicularis magna

A Beltramello, G Puppini, G El-Dalati, M Girelli, R Cerini, A Sbarbati and P Pacini
Institute of Radiology, University of Verona, Italy.

A notchlike bone defect in the basiocciput due to a prominent fossa navicularis was incidentally discovered in a patient referred for radiologic evaluation of sinusitis. MR images showed that the osseous defect was filled with lymphoid tissue of the pharyngeal tonsil. The occurrence of this anatomic variant is discussed, with reference to ancient anatomic works.




Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X