<prompt> Treatment of choice in hairy cell leukemia is:SteroidCladribineSplenectomyPentostatin  <response>: Answer is B Cladribine The treatment of choice is Cladribine Q 2 chlorodoxy adenosine 0.14 mg kg daily for 7 days - CMDT This is a relatively non-toxic drug that produces benefit in 95 of cases, and complete remission in more than 80 