A PET scan can help doctors spot cancer that has spread through the body. A doctor may request one during the melanoma diagnostic process if they suspect advanced melanoma cancer. A PET scan is an ...
A PET scan uses radioactive sugar as a tracer, so you’ll need to switch to a low carb, no-sugar diet 24 hours before the scan. This means avoiding bread, pasta, cereal, milk, and starchy vegetables, ...
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