BACKGROUND
This 45-year-old man with a provisional diagnosis of biliary colic is referred for abdominal ultrasonography. The patient has a 2-month history of intermittent pain in the right upper quadrant. Ultrasonography reveals a hypoechoic mass in the right lobe of the liver. CT is performed to further characterize the mass. Tumor markers are normal.
What is the diagnosis?
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Hint
Liver tumor with no known primary site
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Author:
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Ali Nawaz Khan, MBBS, FRCP, FRCS, FRCR, Lecturer, Department of Diagnostic Radiology, Faculty of Medicine, University of Manchester, and Mata Manu, MBChB, FRCS, Specialist Registrar, Hepatobiliary Unit, North Manchester General Hospital NHS Trust, UK
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eMedicine Editor:
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Sat Sharma, MD
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Associate Professor, University of Manitoba, Department of Medicine, Division of Pulmonary Medicine
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eMedicine Case
