Which imaging studies are indicated in the workup of cavernous sinus thrombosis (CST)?

Updated: Jul 16, 2018
  • Author: Rahul Sharma, MD, MBA, FACEP; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Historically, a number of techniques have been used to image cavernous sinus thrombosis (CST), including plain sinus radiography, carotid angiography, and orbital venography. In current practice, computed tomography (CT) scan or magnetic resonance imaging (MRI) with contrast is the modality of choice to confirm the diagnosis of CST and to differentiate it from alternatives such as orbital cellulitis, which may have a similar clinical presentation. The literature suggest using both CT and MRI, particularly diffusion weighted MRI; CT first (since it is generally faster and more available) and then MRI, especially if the CT is not definitive. [5, 6, 7, 8]

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