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Table 1 Detailed scoring regulations of synovium histomorphology

From: Pure platelet-rich plasma facilitates the repair of damaged cartilage and synovium in a rabbit hemorrhagic arthritis knee model

 

Cell stroma

Inflammatory infiltrate

1 point

The cellularity is slightly increased

Few situated lymphocytes or plasma cells

2 points

The cellularity is moderately increased; multinucleated cells might occur

Many lymphocytes or plasma cells, sometimes follicle-like aggregates

3 points

The cellularity is greatly increased; multinucleated giant cells, pannus formation, and granulomas might occur

Dense band-like inflammatory infiltrate or numerous large follicle-like aggregates