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. 2018 Jan 10;7(3):426–434. doi: 10.11138/mltj/2017.7.3.426

Table Ib.

OARSI recommended synovitis score given by Pelletier et al15.

Parameter Description
Synovial Hyperplasia

  • 0) 1–2 layer of cells

  • 1) 3–5 layers of cells

  • 2) >6 layers of cells
Villous Hyperplasia

  • 0) Not present

  • 1) Few, scattered, short

  • 2) Marked (finger like projections)

  • 3) Marked and diffuse
Degree of cellular infiltration by perivascular lymphocytes and mononuclear cells

  • 0) Normal

  • 5) Marked cellular infiltration mixed with lymphoid follicles