Case Report

Two Cases of γ-Heavy Chain Disease and a Review of the Literature

Figure 4

Bone marrow stain of Case 1. (a) Giemsa stain. (b) Small lymphocytes and scattered unusually small plasma cells. (c) CD138: plasma cells forming a characteristic corona around a lymphoid nodule. (d) Lambda stain—hardly any positive cells around the lymphoid nodule. (e) Kappa stain—hardly any positive cells around the lymphoid nodule. (f) IgG stain—a rim of strongly staining plasma cells. (g) Same area stained with MUM1 marker. Stains show there are IgG(+), kappa(−) and lambda (−) cells.
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