Deauville Five-Point Scale: Clinical Guide

Overview

Classifies FDG PET uptake relative to mediastinal blood pool and liver in lymphoma response assessment.

Clinical Significance

Interpretation depends on lymphoma subtype, timing and protocol.

When to Use

• Use as decision support when all required inputs are reliable.

How It Is Calculated

• Visual five-point comparison with mediastinal blood pool and liver uptake.

Interpretation

• Interpretation depends on lymphoma subtype, timing and protocol.

Worked Example

Enter verified values in the displayed units; MedicalC applies the published equation or point system.

Limitations

• Prediction models may be miscalibrated outside their derivation population.
• Measurement and classification error can materially change the result.

Clinical Pearls

• Document source values and units with the result.
• Use trends and the full clinical picture.

Common Mistakes

• Wrong units.
• Using non-contemporaneous inputs.
• Treating the output as a diagnosis or mandatory treatment decision.

References

1. Barrington SF et al. J Clin Oncol. 2014;32:3048-3058. — Primary or supporting reference for the implemented model.