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Table 2 Histopathological graduation of fibrosis in AF

From: Expression of xylosyltransferases I and II and their role in the pathogenesis of arthrofibrosis

Grade 1
 Low-grade fibroblastic cellularity; distance between fibroblasts is more than 2 cell lengths (of fibroblasts).
Grade 2
 Medium-grade fibroblastic cellularity; distance between 2 fibroblasts is less than 2 cell lengths (of fibroblasts).
Grade 3
 High-grade fibroblastic cellularity; the distance between fibroblasts is less than one cell length (of fibroblasts); cytoplasm and nuclei of fibroblasts may be in contact.