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2004, Number 6

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Gac Med Mex 2004; 140 (6)

Secondary chromosomal abnormalities in patients with chronic myeloid leukaemia in a referral hospital of Northeast Mexico

Dávila-Rodríguez MI, Cerda-Flores RM, Leal-Garza CH, Arana-Trejo RM, Báez-de la Fuente E, Cortés-Gutiérrez EI

Language: Spanish
References: 19
Page: 589-592
PDF size: 26.53 Kb.


ABSTRACT

Introduction: Our aim was to characterize the cytogenetic profile that displays a certain phase of chronic myelogenous leukemia (CML), offering new directions for investigation of the etiology to the molecular level. In Mexico, data does not exist in this regard; thus, the objective of the present study was to determine cytogenetic alterations in 56 Mestizo Mexican patients with LMC.
Design: Cross-sectional study (diagnosis and stage) was carried out.
Materials and Methods: samples of bone marrow of 56 patients with CML in different phases were analyzed using G banding and fluorescence in situ hybridization (FISH) with DNA probes for Philadelphia chromosome (Ph).
Results: 19% of patients in chronic stage showed secondary chromosomal alterations in contrast with an observed 60% in patients in accelerated stage. Most frequent alterations included trisomy 8 and 19, extra Ph chromosome, and isochromosome of the 17.
Conclusions: We believe this to be the first work that determines secondary chromosomal alterations in Mexican racially mixed patients with LMC. These are in agreement with those reported for other populations at the worldwide level.


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