What does "Prior CT" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"Prior CT" refers to a previous CT scan that a patient had at some point in the past. A CT scan is a type of medical test that allows doctors to see inside the body. When a report mentions a "prior CT", it means the doctor is comparing the current results with those from the previous CT scan to see if there have been any changes.
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