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.