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Cancer Genet Cytogenet. 1992 Dec;64(2):166-9.

A lineage-specific t(1;14)(q21;q32) as an early event in development of B-cell clonal expansion.

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Department of Laboratory Haematology, Sunnybrook Health Science Centre, Toronto, Ontario, Canada.


We report a patient in whom a cell line of 47,XY,+X,t(1;14)(q21;q32) constitution was found in a lymph node excised from the neck. Histologic examination and immunophenotyping both in situ and by flow cytometry failed to confirm a diagnosis of B-cell lymphoma, but Southern analysis indicated the presence of B-cell clonal expansion. These observations support the concept that primary chromosomal abnormalities occur in clonal expansions in the very earliest stages of tumorigenesis.

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