Clinical application of ultrasound-guided surgical puncture and drainage in early treatment of pyogenic liver abscess

Figure 1 Imaging of abscesses before and after drainage. A: An abscess in segment VI of the liver (6.1 cm × 2.9 cm) with no obvious liquefaction observed; B: Successful puncture and catheter placement in the abscess; C: An abscess in segment V of the liver (6.0 cm × 4.7 cm) with no obvious liquefaction; D: One week after catheter insertion, the size of the abscess was reduced to 1.8 cm × 1.2 cm, and the abscess was removed and drained.