Vol 44, No 3 (2013)
Kazuistyka / Case Report
Published online: 2013-07-01

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Hairy cell leukemia refractory to standard therapy with purine nucleoside analogs – case report and literature review

Klaudia Grądzka, Kamila Kruczkowska-Tarantowicz1, Marzenna B. Klimiuk1, Janusz Kłoczko1
DOI: 10.1016/j.achaem.2013.07.011
Acta Haematol Pol 2013;44(3):340-343.

Abstract

Hairy cell leukemia (HCL) is a rare, chronic lymphoproliferative disorder. Currently, purine nucleoside analogs (PNA) constitute the first line treatment of HCL. Cladribine could induce long lasting remission in majority of patients with only a single cycle of therapy. In fact the relapsed patients could be treated successfully with cladribine too. Sometimes we observe the resistance to PNA. Rituximab and chemoimmunotherapy (rituximab plus cladribine) are effective in treatment of refractory HCL.

We present a case of a 64-year-old man who was treated with rituximab after second progression of HCL. In March 2011, rituximab was given at a dose of 375mg/m2 i.v. once a week for eight weeks, with result of achievement of PR. During the last hospitalization in March 2013 the persistence of PR was confirmed.

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