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Figure 4 Colour Doppler grading before treatment and after six months of follow up. Longitudinal images of an Achilles tendon with proximal oriented left. The anterior borders of the tendons are indicated with arrows. For illustration, the region of interest has been added (red dotted line) and gives a value of 33% in (A) (before treatment) and 45% in (B) (at follow up). The centre of the maximum Doppler activity defines the centre of the ROI, which extends 1 cm proximally and distally.
