One of the significant problems in pediatrics remains tuberculosis in children and adolescents. Particular attention in the verification of the radiological syndrome, as a “rounded” shadow, is given to tuberculosis. This is not always justified. Echinococcosis is a parasitic disease of cyclic nature, affecting vital organs, including the lungs. One of the radiological manifestations of echinococcosis in the lungs is a rounded shadow syndrome, which requires a multidisciplinary approach to diagnosis.