Table 2 Histology score
From: Human multipotent mesenchymal stem cells improve healing after collagenase tendon injury in the rat
Variable | Score and criteria |
|---|---|
Linearity of the fiber structure | 1 = no linear areas |
2 = 20-50% linear | |
3 = ˃ 50% linear | |
4 = linear (normal) | |
Shape of the tendon cells | 1 = predominantly round |
2 = moderately round | |
3 = slightly oval | |
4 = linear (normal) | |
Density of the tendon cells | 1 = sheets of cells |
2 = moderate increase | |
3 = slight increase | |
4 = sparse(normal) | |
Inflammation (leucocyte deposits in the endotenon and epitenon) | 1 = severe increase |
2 = moderate increase | |
3 = slight increase | |
4 = none | |
Hemorrhage | 1 = predominant hemorrhage |
2 = multiply areas in each field | |
3 = sparse or patchy | |
4 = none | |
Thickness of the epitenon | 1 = massive fibrosis |
2 = 7–15 cells | |
3 = 3–6 cells | |
4 = 1–2 cells |