A 48-year-old woman was admitted to our institution with right upper quadrant abdominal pain. The patient also had mild dyspnea. An examination revealed no significant findings except for a right subcostal surgical incision due to cholecystectomy performed 10 years ago.On performing chest radiography, rise of the right diaphragm to the superior was detected (Figure 1). A hepatobiliary ultrasound examination revealed a mostly cystic lesion with some hyperechoic structures in the liver. On performing contrast-enhanced abdominal computed tomography, a mostly cystic lesion, approximately 15.2×14.2×12.8 cm in diameter, having an appearance similar to the detached membranes of a hydatid cyst and indicating a typical type II hydatid cyst was detected in the liver (Figure 2a). Mediastinal shift and atelectasis of the lower lobe of the right lung were also present (Figure 2b).With a preliminary diagnosis of a type II hydatid cyst, percutaneous treatment was planned to be performed in the interventional radiology department.
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