[Appearance of Philadelphia chromosome at relapse of erythroleukemia in a 12-year-old boy]. 1989

S Ichikawa, and M Natsuyama, and S Okano, and T Hashida, and H Fukumochi, and T Matsumura, and K Fujita, and T Sugimoto, and S Imashuku

A 12-year-old boy was referred to our hospital because of anemia and jaundice. On admission bone marrow smears were compatible with M6 classification of the FAB, revealing 74.5% erythroblasts of all nucleated cells and 40% blasts of nonerythroid cells. Karyotype analysis revealed 46, XY. Gene rearrangement within the breakpoint cluster region (bcr) on chromosome 22 was negative at this time. Complete remission was attained by a combination chemotherapy. However, at 10 months of remission, cytogenetic studies of the bone marrow demonstrated Ph1 positive (10%). One month later, the patient fully relapsed with a 75% Ph1 positive karyotype associated with positive bcr. Subsequently, the patient died of refractory leukemia.

UI MeSH Term Description Entries
D008297 Male Males
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
D012008 Recurrence The return of a sign, symptom, or disease after a remission. Recrudescence,Relapse,Recrudescences,Recurrences,Relapses
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004915 Leukemia, Erythroblastic, Acute A myeloproliferative disorder characterized by neoplastic proliferation of erythroblastic and myeloblastic elements with atypical erythroblasts and myeloblasts in the peripheral blood. Di Guglielmo's Disease,Erythremic Myelosis,Erythroblastic Leukemia, Acute,Erythroleukemia,Leukemia, Myeloid, Acute, M6,Myeloid Leukemia, Acute, M6,Di Guglielmo Disease,Acute Erythroblastic Leukemia,Acute Erythroblastic Leukemias,Di Guglielmos Disease,Disease, Di Guglielmo,Disease, Di Guglielmo's,Erythremic Myeloses,Erythroblastic Leukemias, Acute,Erythroleukemias,Leukemia, Acute Erythroblastic,Leukemias, Acute Erythroblastic,Myeloses, Erythremic,Myelosis, Erythremic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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