结核分枝杆菌：抗酸染色 免疫荧光 脾粟粒性肉芽肿性炎（大体） 肠系膜上淋巴结 巨噬细胞内见鸟型分枝杆菌
Mycobacteria can also be stained with auramine and viewed with fluorescence microscopy, in which acid fast bacilli now appear as glowing yellow rods. This method is easier to use to screen for mycobacteria and is the method routinely used in sputum specimens sent to the laboratory.