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Lymphoedema measurement methods in cancer survivors: accuracy, health economics and practice implications
Garry Cooper1, Cheryl Pike2, Marie Gabe-Walters3
1National Research and Innovations Specialist, Lymphoedema Wales Clinical Network, Swansea.
Background:
Lymphoedema assessment is central to diagnosis and management, but the optimal method remains uncertain. Tape measurement is widely used, although newer technologies may improve efficiency and patient experience.
Aims:
To compare five assessment methods for diagnostic accuracy, time-efficiency, cost and acceptability.
Methods:
Eighty-four adults with unilateral cancer-related lymphoedema underwent tape measurement, Perometer, L-Dex®, Bodystat Quadscan, and self-report. Analyses included reliability (Cronbach's alpha, Pearson's correlation), diagnostic accuracy and a health economic evaluation.
Findings:
Tape measurement at a 7.5% threshold achieved the highest accuracy (sensitivity 94%, specificity 95%). The Perometer was fastest and most favoured by participants, but was costly. Bio-impedance methods had moderate diagnostic value, particularly for early detection.
Conclusion:
The tape measure remains the most practical standard tool, while the Perometer offers efficiency and patient appeal where resources permit.
