Promyelocytic blast crisis of Philadelphia-positive thrombocythemia with translocations (9;22) and (15;17). 1987

J L Laï, and P Fenaux, and M Zandecki, and J B Savary, and M H Estienne, and J P Jouet, and F Bauters, and M Deminatti
Service de Génétique, Faculté de Médecine, Hôpital Calmette, Lille, France.

We report a promyelocytic blast crisis in a case of Ph-positive thrombocythemia with both t(9;22) and t(15;17). Our patient confirms the specificity of t(15;17) in malignant proliferation of promyelocytes and suggests its appearance as a second genetic event in the genesis of blast crisis occurring in a Ph-positive clone.

UI MeSH Term Description Entries
D007621 Karyotyping Mapping of the KARYOTYPE of a cell. Karyotype Analysis Methods,Analysis Method, Karyotype,Analysis Methods, Karyotype,Karyotype Analysis Method,Karyotypings,Method, Karyotype Analysis,Methods, Karyotype Analysis
D010677 Philadelphia Chromosome An aberrant form of human CHROMOSOME 22 characterized by translocation of the distal end of chromosome 9 from 9q34, to the long arm of chromosome 22 at 22q11. It is present in the bone marrow cells of 80 to 90 per cent of patients with chronic myelocytic leukemia (LEUKEMIA, MYELOGENOUS, CHRONIC, BCR-ABL POSITIVE). Ph1 Chromosome,Ph 1 Chromosome,1 Chromosomes, Ph,Chromosome, Ph 1,Chromosome, Ph1,Chromosome, Philadelphia,Chromosomes, Ph 1,Chromosomes, Ph1,Ph 1 Chromosomes,Ph1 Chromosomes
D001752 Blast Crisis An advanced phase of chronic myelogenous leukemia, characterized by a rapid increase in the proportion of immature white blood cells (blasts) in the blood and bone marrow to greater than 30%. Blast Phase,Blast Crises,Blast Phases,Crises, Blast,Crisis, Blast,Phase, Blast,Phases, Blast
D002884 Chromosomes, Human, Pair 15 A specific pair of GROUP D CHROMOSOMES of the human chromosome classification. Chromosome 15
D002886 Chromosomes, Human, Pair 17 A specific pair of GROUP E CHROMOSOMES of the human chromosome classification. Chromosome 17
D002892 Chromosomes, Human, Pair 22 A specific pair of GROUP G CHROMOSOMES of the human chromosome classification. Chromosome 22
D002899 Chromosomes, Human, Pair 9 A specific pair of GROUP C CHROMSOMES of the human chromosome classification. Chromosome 9
D005260 Female Females
D005819 Genetic Markers A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event. Chromosome Markers,DNA Markers,Markers, DNA,Markers, Genetic,Genetic Marker,Marker, Genetic,Chromosome Marker,DNA Marker,Marker, Chromosome,Marker, DNA,Markers, Chromosome
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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