PMC3417952_01
Painful surface area before (blue area) and after (red areas) treatment with 5% lidocaine medicated plaster (LMP).. Abbreviations: NRS, numerical rating scale; LMP, 5% lidocaine medicated plaster.
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The painful surface area (outlined in blue in Figure 3) extended over 21 cm2. Five months later, pain intensity had reduced by 63% and the painful surface area had reduced to 4.5 cm2 overall (areas outlined in red in Figure 3).