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Encysted peritoneal hydatidosis, unusual ultrasonographic and clinical presentation of liver echinococcosis.

Encysted peritoneal hydatidosis is an unusual manifestation of liver echinococcosis. We are not aware of any previous reports in the English literature of the grey scale ultrasound findings in this condition and present here two proven cases. A 16-year-old girl with a long-standing history of a protuberant lower abdomen had experienced severe abdominal pain radiating to the left shoulder for the two days prior to her admission to hospital.