PMC5499111_01
The abdominal horizontal slices of computed tomographic scanning. A: On the admission day. The pictures did not admit gallbladder stones. B: On the day 7 of admission. Abdominal computed tomographic scanning showed gallbladder stones very clearly. C: On the day 15 of admission. The concentration of gallbladder stones became faint, and biliary pseudolithiasis showed improvement tendency.
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Abdominal computed tomography (CT) at the time of admission did not show gallbladder stones (Fig. 1A). CT very clearly showed gallbladder stones (Fig. 1B). Ceftriaxone-induced biliary pseudolithiasis was diagnosed and the antibacterial agent was changed to sulbactam/cefoperazone mixture 1 g per day (every 24 h) from day 7 to day 15 of admission.