Abstract:
:A diagnosis of the hypogranular variant of acute promyelocytic leukemia (APLv) may be difficult to establish based on cytomorphology alone. However, the great majority of cases have a classical immunophenotype by flow cytometric immunophenotyping (FCI) (CD13+, CD33+, dim CD64+, HLA-DR-, and CD34-) and a classical enzyme cytochemical (EC) staining pattern. [intensely staining with myeloperoxidase, Sudan Black B, and chloroacetate esterase (CAE) and negative with alpha'-naphthyl acetate and butyrate esterases]. Although the immunophenotype of APLv by FCI has varied in the literature (HLA-DR +/- and CD34 +/-), the EC staining pattern has remained constant. We report a case of APLv with characteristic cytomorphology, compatible FCI data (CD13+, CD33+, dim CD64+, HLA-DR +/-, and CD34-), chromosomal detection of t(15; 17), and molecular detection of the PML/RAR alpha fusion gene; however, staining of the leukemic cells with CAE was quite uncharacteristic. We describe our findings.
journal_name
Leuk Lymphomajournal_title
Leukemia & lymphomaauthors
Dunphy CH,Polski JM,Johns G,Evans HL,Gardner LJdoi
10.3109/10428190109097693keywords:
subject
Has Abstractpub_date
2001-06-01 00:00:00pages
215-9issue
1-2eissn
1042-8194issn
1029-2403journal_volume
42pub_type
杂志文章abstract::The addition of rituximab to chemotherapy in patients with diffuse large B-cell lymphoma (DLBCL) has been shown to improve outcome in first-line therapy. However, in patients with relapsed or refractory disease, the value of adding rituximab to salvage chemotherapy is less clearly defined. This study performed a match...
journal_title:Leukemia & lymphoma
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abstract::The prognostic significance of immunophenotype and other features including sex, age, anaemia, WBC, FAB type, and PAS staining were analysed in a group of 389 children newly diagnosed as acute lymphoblastic leukemia (ALL) and treated according to the BFM 1981/1983 protocol. The CR rate was higher (82-94%) in immunophe...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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abstract::Plasmablastic lymphoma (PBL) is a recently described type of non-Hodgkin's lymphoma (NHL) that occurs in up to 3% of patients with HIV infection. Although the clinical-pathological features of several patients with HIV-associated plasmablastic lymphoma are documented, detailed description of clinical outcome is limite...
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journal_title:Leukemia & lymphoma
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abstract::Contemporary intensive therapies are effective for the majority of pediatric T-lineage acute lymphoblastic leukemia (ALL) patients, thus current challenge is to identify patients who may benefit from alternative treatment modalities. Previously, we demonstrated that human leukemic cell growth in the severe combined im...
journal_title:Leukemia & lymphoma
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abstract::Despite individual differences between certain leukemias, the overall survival rate in acute leukemia remains low at approximately 40%. Novel therapeutics, including targeted therapies like tyrosine kinase inhibitors, have been incorporated into treatment regimens, but most have failed at eradicating leukemic stem cel...
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journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章
doi:10.3109/10428199509054770
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abstract::Multiple myeloma is a malignant condition that most commonly occurs in the seventh decade of life. Recent improvements in treatment may result in a more favourable outlook for recently diagnosed patients. Multiple myeloma is an incurable clonal B-cell malignancy, which is initially responsive to conventional chemother...
journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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journal_title:Leukemia & lymphoma
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abstract::Mononuclear phagocytic cells and CD4+ T lymphocytes represent the major targets for infection by HIV-1 in vivo. The most severe pathogenic features associated with HIV-1 infection can be attributed to malfunction or premature death of these cells that are of hematopoietic origin. Patients with acquired immunodeficienc...
journal_title:Leukemia & lymphoma
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abstract::Even though HIV is associated with worse prognosis in many malignancies, the clinical course of myelodysplastic syndrome (MDS) in HIV + patients has not been well studied. Determining the clinical presentation and outcomes of MDS in these patients would be important for future diagnostic strategies, as anemia and othe...
journal_title:Leukemia & lymphoma
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journal_title:Leukemia & lymphoma
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doi:10.3109/10428199409049756
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journal_title:Leukemia & lymphoma
pub_type: 杂志文章,评审
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abstract::B chronic lymphocytic leukemia (B-CLL) and hairy cell leukemia (HCL) cells are refractory to many of the signals which activate normal B cells but are stimulated to proliferate by tumor necrosis factor (TNF). Cell signalling by TNF is mediated in part by the induction of the transcription factor families AP-1 and NF-k...
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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journal_title:Leukemia & lymphoma
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abstract::Multiple myeloma typically presents with monoclonal proteinemia, marrow plasmacytosis, anemia, bony involvement, hypercalcemia and renal insufficiency. Less frequent presentations include hepatic and splenic enlargement (5% of cases), lymphadenopathy (4%) and biclonal gammopathy (1%). Chemotherapy may produce remissio...
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