Minimal Residual Disease Detection in Hairy Cell Leukemia Comparison of Flow Cytometric Immunophenotyping With Clonal Analysis Using Consensus Primer Polymerase Chain Reaction for the Heavy Chain Gene

Abstract excerpt

We studied 86 specimens from 24 patients with hairy cell leukemia (HCL) to determine the sensitivity of routine flow cytometry (FC) and consensus primer PCR (cpPCR) in this disease. FC was more sensitive, detecting HCL in 48 (56%) of 86 specimens, while clonal B-cell populations were detected by cpPCR in only 23 (27%) of 86 specimens. FC and cpPCR were both more sensitive than morphologic examination. A positive...

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