CT Classification for Hepatic Cystic Echinococcosis and Clinical Application / 中国医学影像学杂志

ABSTRACT

Purpose to explore a CT classflication of hepatic echinococcal cysts and its clinical application. Materials and Methods reviewed 85 patients who had underwent CT scan in our hospital from 2008-01～2009-12.The CT classification was made according to WHO classification and the CT appearances were analyzed retrospectively.Results Among the lesions,there were 16 CL type,appeared as a unilocular round cyst without wall.15 CE1 type,appeared as a unilocular cyst with a smooth uniform wall.28 CE2 type,appeared as a fluid collection with septa (honeycomb sign),and 6 CE3 type,CT appeared as a fluid collection with a split wall,10 CE4 type,CT appeared as a fluid collection with a split wall (water-lily sign).36 CE5 type,CT appeared as a calcified mass.Conclusion CT classification according to WHO classification for cystic echinococcosis is using to differentiate it from other liver cystic lesions,such as simple cyst and abcess,and is essential when planning clinical treatment.