B-cell acute lymphoblastic leukemia with L1 morphology and coexistence of t(1;19) and t(14;18) chromosome translocations. 1994

P A Kouides, and P D Phatak, and N Wang, and J M Bennett
Strong Memorial Hospital, Rochester, New York.

We report a case of adult de novo acute lymphoblastic leukemia (ALL) with unique cytogenetic abnormalities and discrepant morphologic and immunologic features. Morphology was L1 by the French-American-British classification, but flow cytometry was consistent with a mature B-cell phenotype. Cytogenetic analysis showed numerous chromosome abnormalities nonspecific for lymphoid neoplasm except for t(1;19) and t(14;18). The former is characteristic of pre-B-ALL and the latter is characteristic of follicular lymphoma. This is the first report of these two translocations occurring concurrently in ALL.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D002051 Burkitt Lymphoma A form of undifferentiated malignant LYMPHOMA usually found in central Africa, but also reported in other parts of the world. It is commonly manifested as a large osteolytic lesion in the jaw or as an abdominal mass. B-cell antigens are expressed on the immature cells that make up the tumor in virtually all cases of Burkitt lymphoma. The Epstein-Barr virus (HERPESVIRUS 4, HUMAN) has been isolated from Burkitt lymphoma cases in Africa and it is implicated as the causative agent in these cases; however, most non-African cases are EBV-negative. African Lymphoma,Burkitt Cell Leukemia,Burkitt Tumor,Lymphoma, Burkitt,Burkitt Leukemia,Burkitt's Leukemia,Burkitt's Lymphoma,Burkitt's Tumor,Leukemia, Lymphoblastic, Burkitt-Type,Leukemia, Lymphocytic, L3,Lymphocytic Leukemia, L3,Burkitts Leukemia,Burkitts Lymphoma,Burkitts Tumor,L3 Lymphocytic Leukemia,L3 Lymphocytic Leukemias,Leukemia, Burkitt,Leukemia, Burkitt Cell,Leukemia, Burkitt's,Leukemia, L3 Lymphocytic,Lymphoma, African,Lymphoma, Burkitt's,Tumor, Burkitt,Tumor, Burkitt's
D002878 Chromosomes, Human, Pair 1 A specific pair of human chromosomes in group A (CHROMOSOMES, HUMAN, 1-3) of the human chromosome classification. Chromosome 1
D002883 Chromosomes, Human, Pair 14 A specific pair of GROUP D CHROMOSOMES of the human chromosome classification. Chromosome 14
D002887 Chromosomes, Human, Pair 18 A specific pair of GROUP E CHROMOSOMES of the human chromosome classification. Chromosome 18
D002888 Chromosomes, Human, Pair 19 A specific pair of GROUP F CHROMOSOMES of the human chromosome classification. Chromosome 19
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014178 Translocation, Genetic A type of chromosome aberration characterized by CHROMOSOME BREAKAGE and transfer of the broken-off portion to another location, often to a different chromosome. Chromosomal Translocation,Translocation, Chromosomal,Chromosomal Translocations,Genetic Translocation,Genetic Translocations,Translocations, Chromosomal,Translocations, Genetic

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