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American Journal of Neuroradiology, Vol 19, Issue 4 754-757, Copyright © 1998 by American Society of Neuroradiology

ARTICLES

Telangiectatic osteosarcoma of the skull base

RE Whitehead, ER Melhem, J Kasznica and S Eustace
Department of Radiology, Boston University Medical Center, MA 02118, USA.

We present a patient with a distinctive lesion of the skull base, which, at imaging, showed expansile destruction of the sphenoid bone, hemorrhage with fluid-fluid levels, and contrast enhancement of a solid portion. These features ordinarily suggest either giant cell tumor or aneurysmal bone cyst; however, pathologic examination confirmed instead a rare variant of osteosarcoma of the telangiectatic type. Although imaging findings can indicate any of these possibilities, biopsy is an essential step in arriving at the diagnosis.




Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X