Serum Protein Electrophoresis on an Elderly Patient Reveals a Monoclonal

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

Correct Answer:

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