Document Detail

Clinical features, cytogenetics and outcome in acute lymphoblastic and myeloid leukaemia of infancy: report from the MRC Childhood Leukaemia working party.
MedLine Citation:
PMID:  11986937     Owner:  NLM     Status:  MEDLINE    
The clinical features, cytogenetics and response to treatment have been examined in 180 infants (aged <1 year) with acute leukaemia; 118 with acute lymphoblastic leukaemia (ALL) and 62 with acute myeloid leukaemia (AML). Comparison of clinical features showed no difference in age or sex distribution between infants with ALL and AML but infants with ALL tended to have higher leucocyte counts at presentation. Cytogenetic abnormalities involving 11q23 were found in 66% of ALL and 35% of AML cases, the commonest, t(4;11) being found only in ALL. The other recognised 11q23 translocations were found in both types of leukaemia. Few patients had the common cytogenetic abnormalities associated with ALL in older children and few with AML had good risk abnormalities. Four year event-free survival 60% cf 30% (P = 0.001) and survival 65% cf 41% (P = 0.007) were significantly better in AML than ALL. These results were due to a lower risk of relapse 27% cf 62% at four years. Superior event-free survival was also seen in the subgroup of patients with 11q23 abnormalities and AML (55% cf 23%). The reasons for superior response in AML are unknown but may be related to the intensity of treatment, lineage of the leukaemia or other as yet unidentified factors.
J M Chessells; C J Harrison; H Kempski; D K H Webb; K Wheatley; I M Hann; R F Stevens; G Harrison; B E Gibson;
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Leukemia     Volume:  16     ISSN:  0887-6924     ISO Abbreviation:  Leukemia     Publication Date:  2002 May 
Date Detail:
Created Date:  2002-05-02     Completed Date:  2002-06-18     Revised Date:  2013-03-04    
Medline Journal Info:
Nlm Unique ID:  8704895     Medline TA:  Leukemia     Country:  England    
Other Details:
Languages:  eng     Pagination:  776-84     Citation Subset:  IM    
Molecular Haematology Unit, Camelia Botnar Laboratories, Institute of Child Health, 30 Guilford Street, London, WC1N 1EH, UK.
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MeSH Terms
Acute Disease
Age Factors
Bone Marrow / pathology
Chromosome Aberrations
Chromosomes, Human, Pair 11
Cytogenetic Analysis
Infant, Newborn
Leukemia, Myeloid / diagnosis,  epidemiology*,  genetics
Leukocyte Count
Precursor Cell Lymphoblastic Leukemia-Lymphoma / diagnosis,  epidemiology*,  genetics
Sex Factors
Survival Analysis
Translocation, Genetic
Treatment Outcome

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