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Nephrology

Rapid T-cell-based immunodiagnosis of tuberculous peritonitis in a peritoneal dialysis patient

, , , , &
Pages 314-316 | Received 28 Oct 2011, Accepted 29 Dec 2011, Published online: 20 Feb 2012
 

Abstract

Tuberculous peritonitis is a rare complication during peritoneal dialysis (PD). This report presents the case of a patient with clinical signs and symptoms indicative of bacterial peritonitis, but without culture growth of conventional bacteria or fungi. Cytokine flow cytometry after overnight stimulation of cells from peripheral blood and the peritoneal dialysate with Mycobacterium tuberculosis (MTB)-specific antigens revealed a 40-fold increase in MTB-specific CD4 + T cells expressing interferon-γ (IFN-γ) in peritoneal fluid compared with blood, which was indicative of active tuberculosis (TB). The presence of TB was later confirmed by polymerase chain reaction and growth of MTB in culture of the dialysate. The case illustrates the usefulness of MTB-specific immunodiagnosis for the rapid identification of peritoneal TB in PD patients.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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