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A member asked:
Do fungal infections or cancers ever fail to react to the radioactive fdg during pet/ct imaging?
2 doctors weighed in across 2 answers
Some cancers do not show up on pet scans. Pet scans are helpful in detecting invasive fungal infections. Some noninvasive fungal infections may be missed. A radiologist can advise you further.
Answered 8/21/2021
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Fungal meningitis and carcinomatous meningitis fail to be adequately diagnosed by a PET scan. Lumbar puncture is by far the best test for such entities
Answered 8/21/2021
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