PMC4438148_01
A T-lymphocyte showing an abundant granular cytoplasm and selected gated dual parameter dot plots of T-cells displaying CD3, CD8, CD7, CD45, and CD5.
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fig1
The flow cytometry analysis of this aspirate identified two cell populations, one population of T-cells expressing mainly the CD8+/CD3+/CD5+/CD7+/CD45+ immunophenotype representing 40% of the examined cells (Figure 1) and a second population representing 20% of these cells and consisting of monoclonal B-cells expressing kappa light chain, IgM, CD19, CD79b, CD20, and CD22.
The karyotype of the malignant bone marrow cells at presentation that shows the t(11;18)(q21;q21).
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fig3
The karyotype study of the bone marrow aspirate revealed a typical, specific translocation of gastric MALT lymphoma, t(11;18)(q21;q21) in 30 out of 38 metaphases (Figure 3).
The serum protein electrophoresis graph that remained unchanged during the course of the disease.
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fig4
The serum electrophoresis peak remained the same (Figure 4); the gastric lesion remained unchanged during four years. The patient died from an evolving pulmonary infection in 2013.