Serum and Urine <i>Blastomyces</i> Antigen Concentrations as Markers of Clinical Remission in Dogs Treated for Systemic Blastomycosis

Abstract

Urine Blastomyces antigen testing has high sensitivity for active disease at the time of diagnosis and during treatment, and moderate sensitivity but high specificity for clinical relapse. Urine testing should be useful at the time of diagnosis, when treatment discontinuation is being considered, and anytime there is poor clinical response or suspicion of relapse.