“…The disease is confirmed by a high antibody titer to hydatid antigen using the counter immunoelectrophoresis test. 2,20,28 Counter immunoelectrophoresis results were positive among our patients in 92%, and was a diagnostic tool of great reliability and sensitivity. Enzyme-linked immunosorbent assay, with a 56.7% to 70% sensitivity rate, 29 is considered highly specific for the diagnosis of human echinococcosis, especially when used for locations other than the liver or the lung, or for calcified cysts.…”