Nocardia cyriacigeorgica infection in a patient with repeated fever and CD4+ T cell deficiency: A case report

Figure 2 Pathogenic examination. A: Positive acid-fast bifurcating filaments were observed in bronchoalveolar lavage fluid of the patient under oil microscope (×1000 magnification); B: Branching gram-positive rods were observed in bronchoalveolar lavage fluid of the patient under oil microscope (×1000 magnification); C: matrix-assisted laser desorption ionization-time of flight mass spectrometry confirm it was Nocardia cyriacigeorgica.