Question

A 70-year-old man presents with lymphadenopathy, splenomegaly, and a high lymphocyte count. Flow cytometry shows a clonal population of B-cells expressing CD19, CD5, and CD23. What is the most likely diagnosis?

Accepted Answer

Chronic lymphocytic leukaemia (CLL)

Answer

Non-Hodgkin lymphoma

Answer

Acute lymphoblastic leukaemia (ALL)

Answer

Chronic myeloid leukaemia (CML)

Answer

Multiple myeloma

Practice question

A 70-year-old man presents with lymphadenopathy, splenomegaly, and a high lymphocyte count. Flow cytometry shows a clonal population of B-cells expressing CD19, CD5, and CD23. What is the most likely diagnosis?