Unusual Extramedullary Plasmacytoma: A Rare but Possible Cause of Lymphadenopathy in Chronic Lymphocytic Leukemia

Figure 1

Tonsil biopsy section showing a diffuse and dense infiltrate of a plasma cell proliferation in the subepithelial tissue (hematoxylin-eosin-safran, original magnification ×2 (a) and ×10 (b)). The proliferation consists of mononuclear and multinucleated well-differentiated neoplastic plasma cells (×40 (c) and ×100 (d)).

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