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What Is Your Diagnosis?

Jordyn M. Boesch DVM1, Carlos Sanchez DVM, MSc2, and Suzan Murray DVM, DACZM3
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  • 1 Department of Clinical Sciences, Cornell University College of Veterinary Medicine, Ithaca, NY 14850
  • | 2 Department of Animal Health, Smithsonian National Zoological Park, 3001 Connecticut Ave NW, Washington, DC 20008
  • | 3 Department of Animal Health, Smithsonian National Zoological Park, 3001 Connecticut Ave NW, Washington, DC 20008
History

A 17-year-old female Asian small-clawed otter (Amblonyx cinereus) was anesthetized for a routine physical examination. Prior to induction of anesthesia, the otter was bright, alert, and responsive and its mentation, appetite, and activity level were normal according to zookeepers. On physical examination, the otter was in good body condition, with no overt external abnormalities. Abdominal palpation revealed 2 small firm kidneys, with the right smaller than the left. Serum concentrations of urea nitrogen (32 mg/dL; reference range, 6 to 64 mg/dL; mean, 23 ± 9 mg/dL) and creatinine (0.9 mg/dL; reference range, 0.3 to 2.0 mg/dL; mean,

Contributor Notes

Address correspondence to Dr. Boesch.