A member asked:

Are bright orange spots on pet scan cancer?

A doctor has provided 1 answer
Dr. Guido Davidzon answered

Specializes in Nuclear Medicine

Tricky: Not all cancers are bright on pet scans and not all bright activity in a pet scan is cancer. Inflammation/infection can also show bright activity. Pet scans are performed in conjugation with ct (pet/ct) and though pet is great for detecting metabolism, its specificity is not as great. Reading a pet requires care/skill. Normal activity is seen in the brain, heart, liver, spleen, kidneys, bladder.

Answered 3/6/2019

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