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Table 2 Semi-quantitative evaluation of immunohistochemical staining

From: Labral calcification plays a key role in hip pain and symptoms in femoroacetabular impingement

Score

0

1

2

3

CD68

Negative

≤ 10 positive cells

> 10 positive cells

< 50% positive cells

CD3-CD20

Negative

From one to half perivascular aggregate with or without focal interstitial infiltration positive

All perivascular aggregate and/or focal interstitial infiltration positive

 

CD138

Negative

≤ 10 positive cells

> 10 positive cells in perivascular aggregate and/or in focal interstitial infiltration

> 10 positive cells both in perivascular aggregate and in focal interstitial infiltration