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Left Image: Longitudinal sonogram of the leg shows a soft tissue process (yellow shade/arrow) along the periosteal surface of the tibial cortex (red line/arrow). Right Image: Power Doppler imaging reveals markedly increased flow in this region indicating inflammation. |
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| Left and Right Images: Transverse sonograms of the tibia again shows the periosteal complex hypoechoic lesion consistent with subperiosteal abscess (yellow shade/arrow). Note the tibial cortex (red line/arrow). | |
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| Left Image: Longitudinal sonogram shows the subperiosteal abscess (yellow shade/arrow) extending along the tibial cortex (red line/arrow) to the physeal plate (blue arrows). | |