Journal
JOURNAL OF THE NEUROLOGICAL SCIENCES
Volume 219, Issue 1-2, Pages 83-88Publisher
ELSEVIER
DOI: 10.1016/j.jns.2003.12.012
Keywords
B-cell lymphoma; B-cell leukemia; multiple myeloma; neoplastic meningitis; cerebrospinal fluid; single-cell polymerase chain reaction; complementarity determining region 3
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The diagnosis of leptomeningeal B-cell malignancies is based on the identification of malignant B cells in the cerebrospinal fluid (CSF). We have established a polymerase chain reaction (PCR) approach to characterize the clonally diverse gene encoding the immunoglobulin heavy-chain (IgH) third complementarity determining region (CDR3) of single B cells. We demonstrate that single-cell PCR is readily applicable to individual cells derived from routine CSF cytospins and is a powerful method to discriminate monoclonal neoplastic from polyclonal reactive B-cell responses. Single-cell PCR analysis, as a new tool for the diagnosis and monitoring of neoplastic meningitis associated with B-cell malignancies, is particularly important if cytology, immunocytochemistry, flow cytometry and automated gene scanning of CSF samples are unable to detect malignant monoclonal proliferation. (C) 2004 Elsevier B.V. All rights reserved.
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