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FIG 3. Unenhanced CT scan of the paranasal sinuses in oblique coronal reformat along the external auditory canal shows markedly thickened cartilaginous canal walls (white arrows), whereas the bony canal (black arrow) is spared.
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AJNR - American Journal of Neuroradiology
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FIG 3. Unenhanced CT scan of the paranasal sinuses in oblique coronal reformat along the external auditory canal shows markedly thickened cartilaginous canal walls (white arrows), whereas the bony canal (black arrow) is spared.
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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X