Clinical Sciences Question of the day

A two-year-old male neutered Birman cat presents for a one-week history of lethargy and anorexia. Physical exam reveals muscle wasting and a palpable fluid wave.

An abdominal fluid sample has high viscosity (as shown below) and total protein of 5.0 g/dL. Fluid cytology shows non-septic pyogranulomatous inflammation. Feline infectious peritonitis is the top differential.

Perform which point-of-care diagnostic test on the fluid to help differentiate FIP from other causes of effusion?

Image courtesy, Kalumet.

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