Clinical Application of the Mycobacterium tuberculosis -RNA Assay of Pericardial Tissue Specimens in the Diagnosis of Tuberculous Pericarditis.

MTB-RNA assay using pericardial tissues had limited diagnostic efficacy for TBP. In culture-positive TBP, the diagnostic accuracy of MTB-RNA was good. In contrast, in culture-negative TBP, its diagnostic accuracy was unsatisfactory.