Histopathologic features of RA encompass infiltration by macrophages and T cells synovial lining hyperplasia, neoangiogenesis, pannus formation and destruction of cartilage and bone.
其主要病理特点是滑膜细胞增生、衬里层增厚、多种炎性细胞浸润、血管翳形成，以及软骨和骨组织的破坏。
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Since the EPF can enhance anti-lymphocyte serum inhibited T cell rosette formation, therefore, the rosette inhibition test is the classic method of detecting EPF activity.
Changes of the ability of t lymphocyte colony formation and distribution of t lymphocyte subset of peripheral blood in 50 patients with malignant tumor was investigated.