What question did this study set out to answer?

To evaluate the effectiveness of multiplex fluorescent immunocytochemistry (MF-ICC) as a complementary test for diagnosing feline infectious peritonitis (FIP).

April 17, 2026Open Access

EXPRESS: Multiplex Fluorescent Immunocytochemistry is a Complementary Test for the Diagnosis of Feline Infectious Peritonitis: A Diagnostic Clinical Trial

Key Points

To evaluate the effectiveness of multiplex fluorescent immunocytochemistry (MF-ICC) as a complementary test for diagnosing feline infectious peritonitis (FIP).
Conducted a clinical trial assessing MF-ICC alongside other diagnostic tests.
Compared MF-ICC results with RT-PCR and other antemortem assays.
Analyzed the utility of MF-ICC in individual cases of suspected FIP.
MF-ICC showed potential as a complementary test alongside existing diagnostic methods.
Overall diagnostic accuracy was improved when MF-ICC was included with other tests.
Indicated that MF-ICC can strengthen the case for diagnosing FIP in cats.

Abstract

MF-ICC is an imperfect test but is considered complementary to other commonly used antemortem diagnostic assays for FIP. It can be used alongside RT-PCR and other minimally invasive tests to build a case for FIP in an individual patient.

EXPRESS: Multiplex Fluorescent Immunocytochemistry is a Complementary Test for the Diagnosis of Feline Infectious Peritonitis: A Diagnostic Clinical Trial

Key Points

Abstract

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