There are imaging studies that can be done to look at the sinuses. And the debate is, when in the course of symptoms is it appropriate to get the imaging studies? So CAT scan is the gold standard imaging study to look at the sinuses. The CAT scan gives us a very good view of the sinuses and the bony outline of the sinuses, so we can see if there's any bony erosion or destruction from the disease in the sinuses. A CAT scan is an adjunct helpful tool to establish the diagnosis of sinusitis, but the clinical symptoms will really guide us down that path. If the CAT scan does show that the sinuses are blocked and full of polyps or other foreign material, then that will help guide what the treatments are.
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