A 39-year-old female asked:
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can pet scan always diagnose /confirm presence of lung cancer or can only give indication and later biopsy is vital to confirm cancer if a nodule seen?

2 doctor answers
Dr. Albert Pizzo
59 years experience Family Medicine
Pet scan: The latter part of your question is the right answer.
Answered on Jan 25, 2014
Dr. John Munshower
29 years experience Family Medicine
Bx definitive: A positron emission tomography (pet) scan is an imaging test that uses a radioactive substance called a tracer to look for disease in the body. It is often used to determine the treatment of cancer, if it is spreading, or improving, etc. Used in combination with tests such as ct or mri, it can provide a very high index of suspicion for cancer, but a bx is always definitive and used for tx.
Answered on Jul 28, 2014

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