Deletion of 6q27 in chronic lymphocytic leukemia and multiple myeloma detected by fluorescence in situ hybridization

Aliza Amiel, Ina Mulchanov, Avishay Elis, Elena Gaber, Yosef Manor, Moshe Fejgin, Michael Lishner*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Nonrandom deletions of the long arm of chromosome 6 (6q) are associated with various lymphoid malignancies. It has been suggested that deletions of 6q25~27, 6q21, and 6q23 typically occur in intermediate-grade, high-grade, and low-grade lymphomas, respectively. We used fluorescence in situ hybridization (FISH) to evaluate the occurrence of 6q27 deletion in chronic lymphatic leukemia (CLL) and multiple myeloma (MM). 6q27 deletion was detected in 21% of patients with CLL and in 28% of patients with MM. The percentage of cells containing deletions ranged between 25~49. Two patients with MM had progressive disease and the aberration was detected in both. We conclude that FISH is a sensitive method to detect 6q27 deletion in lymphoproliferative disorders. Also, this deletion is not specific to intermediate-grade lymphomas, but occurs also in CLL and MM. Copyright (C) 1999 Elsevier Science Inc.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalCancer Genetics and Cytogenetics
Volume112
Issue number1
DOIs
StatePublished - 1 Jul 1999

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