Diagnostic Imaging
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Also of Interest
Test your knowledge
A 6-month-old, intact, male Yorkshire terrier is scheduled for a castration. Prior to surgery, the attending veterinarian orders a total serum bile acids (TSBA) test that shows normal fasting and markedly increased postprandial bile acid concentrations. There are no abnormalities on his physical examination. Based on these exam and laboratory findings, which of the following is most likely?