Tuesday, December 1, 2015

CT evaluation of sigmoid plate dehiscence causing pulsatile tinnitus

Conclusion SPD causing PT has characteristic CT findings. It may be generated by vascular or intracranial pressure abnormalities and act as a common key to triggering PT’s perception. Key Points • Pulsatile tinnitus (PT) caused by sigmoid plate dehiscence (SPD) may be cured. • SPD causing PT has some characteristic findings on CT. • SPD may be a common key to triggering PT’s perception. • Thin-slice high resolution CT venography is recommended for SPD assessment. • The relationship between intracranial pressure and SPD causing PT should be studied. (Source: European Radiology)

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