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Dr. Mark, Doctor (MD)
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Experience:  U.S. Physician/Surgeon in Neurosurgery
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mild mucosal thickening is seen in some ethmoid air cells bilaterally.

retention cysts are seen seen... Show More
retention cysts are seen seen in bilateral maxillary sinuses. and there is mild mucosal thickening around the left maxillary sinus. vascular flow voids at the skull base are preserved.       what does this mean?
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mild mucosal thickening is seen in some ethmoid air cells bilaterally.

Your ethmoid sinus has mild thickening of the normal mucosa (this is an area behind your nose).

retention cysts are seen seen in bilateral maxillary sinuses.

These are just cysts (fluid filled collections) seen in the sinuses -- the ones behind the upper cheeks on both sides. Generally not a problem.

and there is mild mucosal thickening around the left maxillary sinus.

Some thickened mucosa on the left sinus (again the cheek)

vascular flow voids at the skull base are preserved.


This refers to the major blood vessels at the base of the skull (the carotid artery and jugular vein) -- they appear normal.


There really is nothing you need to do with these results, as they can just mean you have a mild case of allergies, or a mild sinus condition, or getting over a cold, etc. (These sinuses are where mucus comes from when you blow your nose, etc).