Serum Protein Electrophoresis on an Elderly Patient Reveals a Monoclonal

question 15

Multiple Choice

Serum protein electrophoresis on an elderly patient reveals a monoclonal protein spike. Increased plasma cells are present in the bone marrow. They are CD19 and CD20 negative but demonstrate high-density CD38 and monoclonal cytoplasmic immunoglobulin. What is the most likely diagnosis?

• A) Plasma cell myeloma
• B) Hodgkin lymphoma
• C) Burkitt lymphoma
• D) Chronic lymphocytic leukemia

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