Research Article

Clinical Significance of M1/M2 Macrophages and Related Cytokines in Patients with Spinal Tuberculosis

Figure 1

ZN staining and IHC in the TB lesion tissue. (a) ZN staining in tuberculous granuloma (×1000 oil immersion). (b) Ag85B is close to the TB lesion tissue, and the positive area is brown (×400). (c) Ag85B distance to the TB lesion tissue and negative expression (×400). (d) Quantitative comparison of Ag85B-positive area, .
(a)
(b)
(c)
(d)