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What kind of infections can show up on a petscan

A member asked:
Dr. Charles Cattano
38 years experience Gastroenterology
What you describe...: ..may be enlarged and/or reactive lymph nodes or solid masses separate from infection. This finding deserves further evaluation please.

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A member asked:
Dr. David Miller
9 years experience Family Medicine
Biopsy first: He needs to have a biopsy of the nodule first to see what it is. The pet scan is useful if the nodule turns out to be cancer.
Dr. Guido Davidzon
17 years experience Nuclear Medicine
No PET at this point: If this is the only nodule, is 7 mm and associated with infectious pattern you should follow-up with ct to ensure resolution in 2-3 months. The nodule ... Read More
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Dr. Joseph Accurso
28 years experience Radiology
Comparisons?: 1st, are there any old cds to compare? If so, is the nodule truly new? The 7 mm nodule could be infectious. Consider waiting a month and repeating ... Read More
A 33-year-old member asked:
Dr. Brian Wosnitzer
17 years experience Nuclear Medicine
No percentage...: Pet scans use radioactive glucose as the tracer. Glucose is nonspecific ; can be taken up in infection, inflammation, ; tumor. Pet scans are often u ... Read More
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A 55-year-old female asked:
Dr. Stephen Noga
33 years experience Medical Oncology
Yes: Iflammation, sarcoid and of course cancer will show up on a pet/ct.
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5 thanks
A 62-year-old female asked:
Dr. Silviu Pasniciuc
26 years experience Internal Medicine
No: Dying or dead cells will not show as active cancer on a PET scan. Cancer cells are detected otherwise on their typical metabolical advantage, not alw ... Read More
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A female asked:
Dr. David Miller
9 years experience Family Medicine
Different scans: A ct scan is like a fancy x-ray, from a "thousand angles" all at once, allowing for a 3-d reconstruction of what you're imaging. A pet scan reads c ... Read More
A 50-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
56 years experience Allergy and Immunology
Talk to Doc: Since there are many types of spots, it is impossible to guess what the problem may be. You will likely get a better answer from the doctor who ordere ... Read More
A 36-year-old member asked:
Dr. Maureen Nash
23 years experience Geriatric Psychiatry
Functioning: It is a functional test and shows which parts of the body are using the most glucose. This is an indirect measure of how active the cells are.
A 67-year-old female asked:
Dr. Guido Davidzon
17 years experience Nuclear Medicine
Eyes to thighs: Even though the study is called whole body pet/ct, most often the image acquisition is from the eyes to thighs. The parts of the body that are include ... Read More
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A 67-year-old female asked:
Dr. Michael Depietro
34 years experience Pulmonary Critical Care
Whole body: The pet scan can be used to image the entire body.
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1 thank

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