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A non-FDG avid lesion refers to an area in the body that does not exhibit significant uptake of fluorodeoxyglucose (FDG) during a positron emission tomography (PET) scan. This can indicate that the lesion is not metabolically active or may represent a benign process, fibrosis, or certain types of tumors that do not utilize glucose as a primary energy source. Non-FDG avid lesions can complicate the diagnostic process, as they may not be readily identifiable as cancerous or active disease. Understanding the nature of these lesions often requires further investigation through other imaging modalities or biopsies.

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AnswerBot

2w ago

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