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A member asked:

For what reason does my sinus ct scan have a perfect unclogged circle in the maxillary section?

A doctor has provided 1 answer
Dr. Joseph Accurso answered

Specializes in Radiology

Probably the: Normal expected air, which appears black on ct, surrounded by mucosal thickening, which appears grey on ct. Bone is white or a lighter grey. Without the images, it is impossible to guarantee the assumptions above, but mucosal thickening is very common.

Dr Davis agreed

Answered 1/5/2019

5.1k views

Thank

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