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A 44-year-old woman presented with a 10-month history of intermittent discomfort in the right upper abdomen. On physical examination, a mass filling the epigastrium and the right subcostal region was noted. Ultrasonography and computed tomography of the abdomen showed multiple cysts in both lobes of the liver. An image of the liver obtained by magnetic resonance imaging showed a cystic mass involving the medial segment of the left lobe and the anterior segment of the right lobe (Panel A, arrows). Serologic testing for hydatid disease by means of an enzyme-linked immunosorbent assay and a complement-fixation test were positive (titer, 1:8). . . . [Full Text of this Article] |