Immunohistocheminal staining of lymph node tuberculosis. A : Staining by anti-BCG in organized granuloma. The central necrotic area is also showing staining, B : staining by anti-BCG in poorly organized granuloma. There is diffuse staining with background staining, C : The diffuse and weak staining of giant cell by anti-BCG, D : staining by anti-MPT64 in organized granuloma. The central necrotic area is not showing staining, E : staining by anti-MPT64 in poorly organized granuloma. There is granular staining in clear background, F : The strong and granular staining of giant cell by anti-MPT64.
Purohit et al. Diagnostic Pathology 2007 2:36 doi:10.1186/1746-1596-2-36