Fig. 3

Puncture and insertion of the drainage tube. a: Ultrasound-guided puncture of the infected liver cyst was performed, and an 8-Fr pigtail drainage tube was successfully inserted. b: The drainage tube shadow (arrow) is seen in the cystic lesion of the left lobe of the liver, and the lesion was smaller than before. c: Puncture MRI examination of the T2 cross-section after drainage. d: MRI examination of the T2 sagittal plane after puncture drainage