American Journal of Neuroradiology, Vol 4, Issue 3 516-519, Copyright © 1983 by American Society of Neuroradiology
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High-resolution CT investigation of nonchromaffin paragangliomas of the temporal bone
A Valavanis, O Schubiger and M Oguz
Twenty-six cases of surgically verified nonchromaffin paragangliomas (NCPs) of the temporal bone were investigated by contrast-enhanced, thin-section, multiplanar high-resolution computed tomography (CT). Based on the high-resolution CT findings the tumors were classified according to a recently introduced surgical classification of NCP into four main types (A, B, C1-C3, and D1-D3). With high-resolution CT tumors were correctly classified in all cases, as was shown with intraoperative correlation. On the basis of these findings, high- resolution CT should replace conventional tomography and should be regarded as complementary to selective angiography in the preoperative evaluation of NCP.
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