Scattered immunoblasts and centroblast-like cells as well as plasmacytoid differentiation are also seen.[3] Immunohistochemically, MALToma is typically positive for B-cells markers (CD19, CD20, CD79a), BCL2, negative for BCL6, CD5, CD10, and CD23, in accordance with our case. The gene discussed is CD19; the disease is MALT lymphoma.