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Indian Journal of Cancer
Medknow Publications on behalf of Indian Cancer Society
ISSN: 0019-509X
EISSN: 1998-4774
Vol. 48, No. 3, 2011, pp. 310-315

Bioline Code: cn11084
Full paper language: English
Document type: Research Article
Document available free of charge

Indian Journal of Cancer, Vol. 48, No. 3, 2011, pp. 310-315

 en Time trend in frequency of occurrence of major immunophenotypes in paediatric acute lymphoblastic leukemia cases as experienced by Cancer Institute, Chennai, south India during the period 1989-2009
Rajalekshmy, K R.; Abitha, A R.; Anuratha, N & Sagar, T G.

Abstract

Background: Pediatric acute lymphoblastic leukemia (ALL) is a biologically heterogeneous disease and socioeconomic and environmental factors are considered to be an important determinant of its immunophenotype. The aim of this analysis is to study the time trend in the immunophenotype of pediatric acute lymphoblastic leukemia (ALL) cases in our geographic setting.
Materials and Methods: A total of 639 new pediatric ALL cases immunophenotyped during 1989-2009 forms the basis of this analysis. Representative bone marrow or peripheral blood of these patients was immunophenotyped flowcytometrically using an extensive panel of monoclonal antibodies.
Results: During early phase of our study we noticed a relative excess of T-ALL and a paucity of common acute lymphoblastic leukemia (C-ALL) in contrast to western data. Over a period of 20 years we witnessed a gradual reduction in pediatric T-ALL cases and a proportionate increase in C-ALL cases.
Conclusion: We find that this change of pattern is synchronizing with the socioeconomic and industrial development prevailing in our geographic setting and suggest a possible link between the predominant immunophenotype of pediatric ALL cases and the environmental and socioeconomic factors prevailing in that locality.

Keywords
Adayar, Cancer Institute, immunophenotype, pediatric acute lymphoblastic leukemia, time trend

 
© Copyright 2011 Indian Journal of Cancer.
Alternative site location: http://www.indianjcancer.com/

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