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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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'Which of the following is NOT used in treatment of hairy cell leukemia:
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The correct answer is  Answer is A (Steroid) Steroid has no role in treatment of hairy cell leukemia. Cladribine is the drug of choice. Clinical complete remissions with cladribine occur in majority of patients and longterm disease free survival is frequent. Treatment of hairy cell leukemia is chemotherapy with Cladribine : Drug of choice. Alpha-interferon Q PentostatinQ