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Chromosomal abnormalities in T-cell large granular lymphocyte leukaemia: report of two cases and review of the literature.

Authors
  • Wong, K F
  • Chan, J C W
  • Liu, H S Y
  • Man, C
  • Kwong, Y L
Type
Published Article
Journal
British journal of haematology
Publication Date
Mar 01, 2002
Volume
116
Issue
3
Pages
598–600
Identifiers
PMID: 11849217
Source
Medline
License
Unknown

Abstract

Cytogenetic information on T-cell large granular lymphocyte leukaemia (T-LGL; large granular lymphocytosis) is limited. We report two cases of T-LGL with unusual karyotypic aberrations. The first case showed a novel inv(7)(p15q22) as the sole chromosomal abnormality, while the second case showed an inv(14)(q11q32) with evidence of clonal evolution. The breakpoints 7p14-p15 and 14q11 coincide with the T-cell receptor (TCR)-gamma and TCR-alpha/TCR-delta gene loci respectively. This is the first report describing the possible involvement of T-cell receptor genes in karyotypic aberrations in T-LGL.

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