7. Needle-free jet Injector-assisted triamcinolone treatment of keloids and hypertrophic scars is effective and well tolerated in children. 184 Figure 1. Clinical effectiveness assessed with the Patient and Observer Scar Assessment Scale (POSAS) at baseline and at follow-up. a Based on the total POSAS observer scale, treating physicians observed a significant improvement at follow-up compared with baseline. b Based on the total POSAS patient scale, patients observed a significant improvement at follow-up compared with baseline
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