Varied sonographic patterns in Echinococcus liver disease

: Echinococcus granulosus has been an uncommon disease in the United States. Cases may appear unexpectedly because of increased immigration from endemic areas. Over the past 3 years, 10 cases of hydatid liver disease were diagnosed by sonography in our institution. Sonography is a simple noninvasive method of early diagnosis even when clinical signs are nonspecific. The sonographic patterns of this condition are described.