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American Journal of Neuroradiology, Vol 14, Issue 1 70-71, Copyright © 1993 by American Society of Neuroradiology

ARTICLES

Chondroblastoma of the temporal bone: CT and MR appearance

A Muntane, C Valls, MA Angeles de Miquel and LC Pons
Department of Diagnostic Radiology, Hospital Princeps D'Espanya, Barcelona.

The authors report a case of chondroblastoma in the unusual location of the temporal bone. CT findings do not differ dramatically from other reports: the lesion appeared as a soft-tissue density mass in the right temporal bone, with bony destruction and thinning of cortical margins. MR findings are more rare: on coronal T1-weighted images the lesion appeared as a mass, isointense to gray matter, centered in the right petrous bone; on axial T2-weighted images, as a mixed-intensity signal mass. They conclude that MR is an accurate indicator of the location and extension of the tumor, but that CT gives more specific information regarding bone involvement.




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