Fig. 3From: MALT lymphoma of the left biceps muscle: a rare case with an interesting presentationImmunohistochemical features of the infiltrated cells in the left arm expressed CD20 (a; ×200), stained negative for CD5 (b; ×100), stained positive for CD21 in follicular dendritic cell network (c; ×100), 30 % positivity for Ki-67 (d; ×200)Back to article page