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.
Answered 1/5/2019
5.1k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question