Long-term follow-up of liver alveolar echinococcosis using echinococcosis multilocularis ultrasound classification

Figure 4 Hepatic alveolar echinococcosis reference lesion in segment II with pseudocystic pattern. A: Initially sharply delineated with individual centrally echo-rich portions; B: Through the disease course, more blurred delineation and increase of centrally echo-rich portions. The ultrasound images shown are from the current patient collective.