Relative survival reaches a plateau in hairy cell leukemia: a population-based analysis in The Netherlands

Abstract

TO THE EDITOR: Around the early 1990s, the treatment of hairy cell leukemia (HCL) was revolutionized with the advent of the purine nucleoside analogs (PNAs) cladribine and pentostatin.[1][1],[2][2] Earlier, in the mid-1980s, interferon α (IFN-α) was introduced for HCL management.[3][3] However,