Pathology – MCQ 94 – Hairy cell leukaemia

All of the following statements about hairy cell leukaemia are true except:
A. Splenomegaly is conspicuous
B. Results from an expansion of neoplastic T lymphocytes
C. Cells are positive for Tartarate Resistant Acid Phosphatase
D. The cells express CD25 consistently

Correct answer : B. Results from an expansion of neoplastic T lymphocytes

Hairy cell leukemia is a chronic B cell leukemia.

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