SOFT TISSUE ULTRASOUND Soft Tissue Infections POCUS is useful for differentiating cutaneous abscesses from cellulitis in children presenting to the ED with soft tissue infections Ultrasound can also be used to identify the most fruitful site for incision into an abscess and to identify critical structures to avoid during incision (e.g., blood vessels and nerves), thereby minimizing procedural complications FIGURE 131.30 Photograph displaying dynamic technique for lumbar puncture