Abstract:
:The prognostic significance of specific cytogenetic abnormalities in follicular lymphoma (FL) is an area of ongoing research. A small percentage of FL are characterized by a polyploid karyotype. Several studies have analyzed ploidy level to determine its role as an independent prognostic factor in non-Hodgkins lymphoma, with equivocal results, mostly using DNA flow cytometry to ascertain ploidy status. We have performed cytogenetic analyses on 180 cases of FL with a t(14;18) diagnosed between 1980 and 1995. Cases were divided into a polyploid group (20 cases) and a non-polyploid group (160 cases), polyploidy defined as a modal chromosome number of 58 or greater. Each group included examples of the 3 subtypes of FL, [Working Formulation]: 1) follicular small cleaved cell (FSC), 2) follicular mixed, small and large cell (FM), and 3) follicular large cell (FLC). The median follow-up time was 38.5 months. The histological subclassification of the polyploid group revealed much less FSC (30% vs 66%, p < 0.004) and much more FLC (25% vs 4%, p < 0.003) than the non-polyploid group, implying histological progression may occur in parallel with the development of polyploidy. Recognized clinical prognostic factors were evenly distributed between the two groups and no survival difference was detected. We show that polyploidy as determined by classical cytogenetics is present in different frequencies across the subtypes of FL with a t(14;18), but is not an independent prognostic factor for survival in FL.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
James GK,Horsman D,Connors JM,Klasa R,Wilson K,Argatoff L,Gascoyne RDdoi
10.3109/10428199809092694subject
Has Abstractpub_date
1998-01-01 00:00:00pages
383-9issue
3-4eissn
1042-8194issn
1029-2403journal_volume
28pub_type
杂志文章abstract::We have studied the functional properties of topoisomerase II (Topo II) in a subclone of the HL-60 cell line, which is highly resistant to cytotoxic Topo II inhibitors, but does not express p-glycoprotein. The cells contain the two forms of human topo II with Mr 170 and 180 kDa in equal proportions. Two different stat...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.3109/10428199309148538
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abstract::To evaluate the prognostic impact of melphalan dose and total body irradiation (TBI) use in acute myeloid leukemia patients undergoing reduced-intensity allogeneic transplantation, we retrospectively compared outcomes of patients receiving a higher-dose (120-140 mg/m2, n = 379) or lower-dose melphalan (80-110 mg/m2, n...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.1080/10428194.2018.1535115
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abstract::Recent data have elucidated the pathogenesis of transient abnormal myelopoiesis (TAM) to a great extent. TAM is a monoclonal disorder which resolves spontaneously and the target cell in this disorder is a multipotent stem cell which is capable of differentiating into megakaryocytes. The pathogeneses of TAM/AMKL (acute...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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abstract::We describe a patient with primary anaplastic large cell lymphoma of the forearm presenting with compartment syndrome. Urgent decompression fasciotomy and combination chemotherapy resulted in durable remission status. This is followed by a review of primary skeletal muscle lymphoma in the English literature. ...
journal_title:Leukemia & lymphoma
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abstract::Two cases of polycythemia vera (PV) had transition to a hematological condition compatible with chronic neutrophilic leukemia (CNL) 17 and 8 years after diagnosis, respectively. One patient was treated with carboquone followed by hydroxyurea (HU) and the other with HU during PV phase. On transition, both had neutrophi...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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abstract::Phosphorylation of p27(Kip1) at threonine 187 (pThr187-p27(Kip1)) occurs frequently in the development of human tumors, directing protein polyubiquitination and subsequent proteasomal degradation. We investigated the immunoexpression of p27(Kip1) and pThr187-p27(Kip1) in 126 B-cell lymphomas and their relation to prol...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Extranodal adult T-cell leukemia/lymphoma (ATLL) of the head and neck is a rare disease. We studied the clinicopathological features of nine patients with ATLL involving extranodal head and neck sites and conducted a literature review. Six patients presented with extranodal mass of the head and neck, whereas three had...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.3109/10428194.2011.625578
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journal_title:Leukemia & lymphoma
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doi:10.3109/10428199409049659
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abstract::New therapies for relapsing/refractory Hodgkin lymphoma (R/R HL) and R/R systemic anaplastic large-cell lymphoma (sALCL) have emerged. This study captured utility values for R/R HL and sALCL to support economic evaluation. Health state "vignettes" were developed describing states associated with R/R HL and sALCL: trea...
journal_title:Leukemia & lymphoma
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doi:10.3109/10428194.2014.970542
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abstract::One-hundred-and-thirty typical, unselected CLL cases were studied by conventional cytogenetic analysis. Seventy-three patients (56.2%) had normal karyotype ('normal sub-group'), while 57/130 patients (43.8%) had abnormal karyotype. Twenty-two of 57 patients (38.6%) carried more than one abnormality. Six novel chromoso...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.1080/10428190600881447
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abstract::Muscle mass, defined as the psoas muscle index (PMI), is an important parameter of sarcopenia and it has been shown to be a prognostic factor of non-hematological cancers. This study aimed to investigate the prognostic impact of sarcopenia defined using PMI measurement in patients with diffuse large B-cell lymphoma tr...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.1080/10428199909169607
更新日期:1999-11-01 00:00:00
abstract::Acute myeloid leukemia (AML) is infrequent in patients with human immunodeficiency virus (HIV) infection. Among AML, acute promyelocytic leukemia (APL) has been rarely described in such patients, with only one case being published. We report a 30 years-old intravenous drug abuser HIV-infected male with APL who attaine...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.3109/10428199709050899
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.1080/10428190701836852
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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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journal_title:Leukemia & lymphoma
pub_type: 临床试验,杂志文章
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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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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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