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Published on: February 17, 2022
New t(11;12)(q12;q11) characterized by RxFISH in a patient with T-cell large granular lymphocyte leukemia
1Laboratori de Citologia Hematològica/Laboratori de Referència de Catalunya, Unitat d'Hematologia 1973, Hospital del Mar, IMAS, IMIM, Barcelona, Spain. e0037@imas.imim.es
Cancer Genetics and Cytogenetics
|April 12, 2001
Summary
Chromosomal abnormalities are rare in large granular lymphocyte leukemia (LGLL). A novel t(11;12) rearrangement was identified using RxFISH, a technique that complements conventional cytogenetics for LGLL diagnosis.
Area of Science:
- Hematology
- Cytogenetics
- Molecular Biology
Background:
- Large granular lymphocyte leukemia (LGLL) is a rare lymphoproliferative disorder.
- Chromosomal abnormalities are infrequently observed in LGLL patients.
Observation:
- This study reports a novel cytogenetic abnormality, a translocation t(11;12)(q12;q11), in a patient diagnosed with LGLL.
- The abnormality was identified using cross-species color banding (RxFISH), a specialized cytogenetic technique.
Findings:
- RxFISH enabled the rapid and straightforward detection of the t(11;12) chromosome rearrangement.
- This specific rearrangement was not discernible through conventional cytogenetic methods.
Implications:
- RxFISH serves as a valuable adjunct to conventional cytogenetics for identifying chromosomal abnormalities in LGLL.
- This finding expands the understanding of genetic alterations associated with LGLL and highlights advanced techniques for their detection.
