Question

A 60-year-old woman is found to have an elevated platelet count and splenomegaly. She complains of intermittent headaches and dizziness. A JAK2 mutation test is positive. Which is the most likely diagnosis?

Accepted Answer

B. Essential thrombocythaemia

Answer

A. Polycythaemia vera

Answer

C. Myelodysplastic syndrome

Answer

D. Leukaemoid reaction

Answer

E. Chronic lymphocytic leukaemia

Practice question

A 60-year-old woman is found to have an elevated platelet count and splenomegaly. She complains of intermittent headaches and dizziness. A JAK2 mutation test is positive. Which is the most likely diagnosis?