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The maxillary sinus is the cavity behind your cheeks, exceptionally cshed to your nose 1.

You are watching: Complete opacification of the left maxillary sinus

When a CT shave the right to is taken of the head, the sinoffers have to present up black because they are cavities. When the area shows up white or gray, it is dubbed opaque or opacification of the sinus.


Causes

Tright here are numerous feasible reasons for a CT sdeserve to to expose the maxillary sinus as opaque 1. Polyps deserve to show up opaque, as have the right to tumors. Inflamed tissue, which is common with chronic sinus infections, and thick mucus also have the right to reason opaqueness.

Polyps


Polyps deserve to develop in the sinus cavities, which have the right to reason bad drainage. This in turn deserve to bring about chronic sinusitis (infection) 2. These combined factors have the right to reason total opacification.


Tumors

Because tumors in the maxillary sinus are often huge and appear opaque, they have the right to reason full opacification of the sinus 1.

Inflammation


If your scan was done in the time of a sinus infection or if you have chronic sinus infections, your maxillary sinus was likely inflamed 1. This deserve to reason the location to be opaque on a CT shave the right to.

See more: Question: Which Of The Following Statements Is Most Correct ? (Hint

Mucous

If you had actually sinusitis, you could have actually had thick mucus lining or even filling the sinus, which will certainly make it show up opaque on a CT sdeserve to.


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