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Table 3 Scoring system for histological assessment of FDP tendons

From: The effect of mesenchymal stromal cell sheets on the inflammatory stage of flexor tendon healing

Score

Cellularity/PMN/MN

FB

Vascularity

1

<50 cells per HPF

<5 %

<5 vessels per HPF

2

51–100 cells per HPF

6–50 %

6–10 vessels per HPF

3

101–150 cells per HPF

>50 %

>10 per HPF

4

>150 cells per HPF

  
  1. FDP flexor digitorum profundus, PMN polymorphonuclear cell, MN mononuclear cell and macrophage, FB fibroblast, HPF high-power field under a 20 × objective
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Stem Cell Research & Therapy

ISSN: 1757-6512