A member asked:

I had a ct found arachnoid cyst 3.8 cm in may. in june had mri cyst was 4.6 cm. is it getting bigger or is it just difference in imaging and technique?

A doctor has provided 1 answer
Dr. Atif Haque answered

Specializes in Orthopedic Spine Surgery

could be either: It can be hard to directly compare ct to MRI at times. I would recommend getting another delayed MRI for comparison.

Answered 3/15/2016

4.8k views

Thank

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