The influence of Cladribin therapy to bone marrow fibrosis in patients with hairy cell leukemia was studied. Eighteen patients were included in the study; bone marrow fibrosis was graded 0-4 according to the quantity and pattern of distribution of reticulin.
The grade of bone marrow fibrosis was established before the therapy and then in 12- and 24-month intervals. Patients showed complete remission after the therapy and remarkable reduction of bone marrow fibrosis.