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Printed on 4/21/2026
For informational purposes only. This is not medical advice.
The Deauville 5-point score is a standardized PET response grading framework widely used in FDG-avid lymphoma. It anchors lesion uptake to physiologic reference uptake in mediastinum and liver, helping communicate metabolic response during and after therapy.
Formula: Ordinal 5-point PET uptake scale referenced to mediastinum and liver background uptake.
Higher Deauville scores indicate higher relative metabolic activity and may reflect poorer treatment response depending on timing and lymphoma subtype.
Use in FDG-avid lymphoma response assessment when PET-CT findings are being standardized for treatment decisions or multidisciplinary discussion.
Deauville scoring is semi-quantitative and observer dependent. False-positive uptake from inflammation or infection can reduce specificity.
For related assessments, see ECOG Status, Karnofsky Performance and BSA Calculator.
Disclaimer: This tool is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about your health.
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