[Differential diagnosis of hepatic cystic lesions].

Of 74 patients, treated in 2000-2007 yrs in the clinic for nonparasitic hepatic cyst, in 18 hepatic polycystosis was revealed. The applied examination algorhythm was two-staged and included the clinico-laboratory investigations results analysis, as well as serological tests for echinococcus, two-dimensional ultrasonographic investigation data, CT in necessity, the cyst puncture--on the first stage and laparoscopy with histologic investigation of the cyst wall--on the second. The proposed differential diagnostic criteria application had permitted to differ the hepatic cyst of parasitic and nonparasitic origin in 98% of observations.