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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Why There Would Be A Variation In Results Of Both Pathology Report And Pet Scan?

my husband has been diagnosed with stomach cancer but it did not show up on pet scan but did show in pathology report. pet scan showed mass between windpipe and right lung . He has had EGD,EUS,CT SCAN,UPPER GI,PET SCAN he has seen 7 doctors and still no definite answer as to how to treat him. Stomach hard as concrete very thickened stomach wall,has lost 20 lbs in the last year,can only eat small portions several times a day.
Any suggestions



posted on Thu, 27 Feb 2014
Twitter Fri, 28 Feb 2014 Answered on
Twitter Fri, 28 Feb 2014 Last reviewed on
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Oncologist,  's  Response
you need to understand that PET CT scan means PET and CT fusion imaging. PET is functional imaging and is positive only if the cancer cells or infectious cells take up the tracer. Understand that not all the cancers take up the tracer. that is why the scan is not routinely recommended for all the cancers. it is not 100% sensitive in picking up the disease. if there is mass on CT scan and biopsy has proven that itis cancer, there is no doubt that it is cancer and that requires treatment
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Why There Would Be A Variation In Results Of Both Pathology Report And Pet Scan?

you need to understand that PET CT scan means PET and CT fusion imaging. PET is functional imaging and is positive only if the cancer cells or infectious cells take up the tracer. Understand that not all the cancers take up the tracer. that is why the scan is not routinely recommended for all the cancers. it is not 100% sensitive in picking up the disease. if there is mass on CT scan and biopsy has proven that itis cancer, there is no doubt that it is cancer and that requires treatment