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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

Score0123
CD68Negative≤ 10 positive cells> 10 positive cells< 50% positive cells
CD3-CD20NegativeFrom one to half perivascular aggregate with or without focal interstitial infiltration positiveAll perivascular aggregate and/or focal interstitial infiltration positive 
CD138Negative≤ 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