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Can A PET Scan Be Used To Detect Cancerous Tissues?

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Posted on Tue, 4 Apr 2017
Question: I read on line that tissue that lights up with a PET SCAN doesn't always mean cancer, there could be other causes, is that so. If so what else could it be?
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Answered by Dr. Indranil Ghosh (11 minutes later)
Brief Answer:
Infection is a major cause

Detailed Answer:
Hi
Thanks for your query.

PET scan checks the activity of tissue and not specifically cancer. So if a tissue is more active than usual, it can light up on PET scan.

This can happen in infection, inflammation (like arthritis), reparative process after injury or surgery. Hence PET findings should be corroborated by biopsy or appropriate follow up.

Hope this helps.
Regards
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Above answer was peer-reviewed by : Dr. Vaishalee Punj
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Answered by
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Dr. Indranil Ghosh

Oncologist

Practicing since :2004

Answered : 1709 Questions

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Can A PET Scan Be Used To Detect Cancerous Tissues?

Brief Answer: Infection is a major cause Detailed Answer: Hi Thanks for your query. PET scan checks the activity of tissue and not specifically cancer. So if a tissue is more active than usual, it can light up on PET scan. This can happen in infection, inflammation (like arthritis), reparative process after injury or surgery. Hence PET findings should be corroborated by biopsy or appropriate follow up. Hope this helps. Regards