Abstract:
:Chromosome aberrations affecting 3q27 are among the most frequent non-random abnormalities in non-Hodgkin's lymphomas (NHL), especially the diffuse, large cell type. Recently, an association between BCL6 rearrangement and frequent extranodal lesions, rare bone marrow infiltration and a favorable clinical outcome was reported. We performed molecular studies of the BCL6 gene in 54 patients with NHL. Twelve patients (22%) with rearranged BCL6 genes were selected for histological, clinical, molecular, and cytogenetic studies. Ten of these cases were diffuse, large cell type lymphoma, one a follicular lymphoma, and one a mantle cell lymphoma (MCL). All cases were of the B-cell type and this is the first time a rearranged BCL6 gene has been found in an MCL. Cytogenetic data for 10 cases were available and the partner sites of the 3q27 translocation were determined in 7 of 10 patients. These locations were variable, including 6p21.3, 9p22, and 14q11 in addition to the immunoglobulin loci 14q32 (IGH), 2p12 (IGK), and 22q11 (IGL). The heterogeneity in partner sites is distinct from other lymphoma subgroups and may suggest that the genetic events are not uniform among patients with BCL6 rearrangements.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Ohshima A,Miura I,Hashimoto K,Takahashi N,Utsumi S,Nimura T,Saito M,Miki T,Hirosawa S,Miura ABdoi
10.3109/10428199709059687subject
Has Abstractpub_date
1997-10-01 00:00:00pages
329-34issue
3-4eissn
1042-8194issn
1029-2403journal_volume
27pub_type
杂志文章abstract::Primary hematolymphoid malignancies of the extrahepatic biliary tract are rare tumors. We report five cases of primary hematolymphoid malignancies involving the extrahepatic biliary tract. One is a granulocytic sarcoma of the extrahepatic bile duct, another is an extramedullary plasmacytoma of the gallbladder, and the...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::A patient with acute monoblastic leukemia (AML M5a) and the pericentric inversion inv(8)(p11q13) as well as additional chromosome abnormalities in her bone marrow cells is described. This is the fourth known case of inv(8)(p11q13)-positive acute leukemia, and the second such case in which gain of 1q material occurred ...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::It is generally accepted that allogeneic stem cell transplantation can 'cure' chronic myelogenous leukemia (CML), although occasional patients relapse more than 10 years after the transplant procedure. Such cures presumably result from the combined effects of leukemia stem cells (LSCs) of the conditioning regimen and ...
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journal_title:Leukemia & lymphoma
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abstract::The percentage of blasts in the bone marrow aspirates at day 7 or 14 of induction therapy in pediatric ALL patients is an indicator of rapid early response and an independent prognostic factor for long term outcome. Discrepancies between the percentages of blasts in bone marrow aspirates compared to biopsies have been...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::The management of lymphoma in patients with primary immunodeficiency (PID) is challenging because of its poor prognosis and complex therapeutic approaches. We conducted a systematic literature review of case-reports, case-series, and cohorts indexed in MEDLINE reporting the association of lymphoma and PID. One hundred...
journal_title:Leukemia & lymphoma
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abstract::To explore the feasibility and potential advantages of PBSC in allogeneic transplantation, we grafted 24 patients (age 16-57, median 37) with different hematologic diseases (ALL = 10, AML = 5, MM = 4, NHL = 2, CML = 1, MDS = 1, AA = 1), 23 HLA-identical to their siblings and 1 partially matched. Cells were collected f...
journal_title:Leukemia & lymphoma
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abstract::Management of relapsed lymphoma depends upon the variables of chemosensitive disease and successful stem cell mobilization. The microtubule specific agents, paclitaxel and vinorelbine, have efficacy in relapsed lymphoma and can enhance stem cell mobilization. We performed a phase I dose-escalation study of cytarabine ...
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journal_title:Leukemia & lymphoma
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abstract::Plasma cell tumors show an increased incidence in HIV-positive patients. The cases reported in the literature suggest that plasma cell tumors occur in a younger age group than that encountered in the general population. Pathologically, many of these tumors show a plasmablastic morphology. Plasma cell tumors in HIV-pos...
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journal_title:Leukemia & lymphoma
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abstract::To evaluate the prognostic features of Ph+ CML patients treated by allogeneic BMT or by IFN, we reviewed the data of 50 consecutive pts who were transplanted between 1984 and 1988 and of 180 consecutive patients who were assigned to continuous IFN treatment between 1986 and 1988. In the BMT group, Sokal's system predi...
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Factors associated with failure of antifungal therapy were examined in 42 cancer patients with fusariosis (1987-1997). Thirty-six patients (86%) had leukemia and 39 (93%) were neutropenic. Disseminated infection was the most common presentation. The majority (83%) received amphotericin B-based therapy. Thirty patients...
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abstract::Telomerase, an enzyme associated with cellular immortality, is expressed on malignant tumor cells. Deregulation of telomerase is thought to facilitate tumorigenesis and cellular immortality by providing cancer cells with unlimited proliferation capacity. Hodgkin and Reed-Sternberg (H&RS) cells are generally considered...
journal_title:Leukemia & lymphoma
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abstract::Binding of Fas ligand (FasL) or an agonistic anti-Fas receptor (Fas/CD95) antibody induces apoptosis in Fas-bearing target cells. The involvement of Fas/FasL pathway has been investigated in human acute myelogenous leukemia (AML) cells. Fas/CD95 is expressed on a majority of AML cells, although the intensity of expres...
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