Figure 3From: B cell depletion in diffuse progressive systemic sclerosis: safety, skin score modification and IL-6 modulation in an up to thirty-six months follow-up open-label trialB and T cell staining in systemic sclerosis biopsies. In a forearm biopsy, immunohistochemistry revealed an expression of the B-cell marker CD20 in a limited number of (a) lymphocytes while a prominent expression of the T-cell marker CD3 was detected in the (b) perivascular lymphocytic infiltrate. Original magnification × 400.Back to article page