IL10 and cholesteryl ester measurement: In human and animal models of CE, a widely accepted scenario suggests that the typical Th2-type response plays a fundamental role in the established Echinococcus cystic stage involving the cytokines IL-4, IL-5, IL-10, and IL-13 and a mixed population of inflammatory cells, such as eosinophils, mast cells, alternatively activated macrophages, lymphocytes, and plasma cells [10,11].