EN
The author describes a rare case of Echinococcus multivesicularis of the liver and lungs, giving brief data on the course of the disease and development of the parasite in the internal organs. Simultaneously he discusses difficulties of the diagnosis during the patient's lifetime. The author describes the changes in the cardiac muscle, connecting them with the toxic effect of Echinococcus multivesicularis, and emphasizes the rarity of this disease in our country.