abstract：:The performance of factor VII (FVII) assays currently used by clinical laboratories was examined in North American Specialized Coagulation Laboratory Association (NASCOLA) proficiency tests. Data from 12 surveys conducted between 2008 and 2010, involving 20 unique specimens plus four repeat-tested specimens, were anal...

journal_title：International journal of laboratory hematology

authors： Zantek ND,Hsu P,Refaai MA,Ledford-Kraemer M,Meijer P,Van Cott EM

更新日期：2013-06-01 00:00:00

abstract：:The foundation of laboratory hematologic diagnosis is the complete blood count and review of the peripheral smear. In patients with anemia, the peripheral smear permits interpretation of diagnostically significant red blood cell (RBC) findings. These include assessment of RBC shape, size, color, inclusions, and arrang...

journal_title：International journal of laboratory hematology

authors： Ford J

更新日期：2013-06-01 00:00:00

abstract：:Blood coagulation factor XIII (FXIII) plays a key role in the protection of fibrin clot against fibrinolysis, in the cross-linking of fibrin and its mechanical strength. The role of the FXIII-A subunit Val34Leu polymorphism with fatal primary intracerebral hemorrhages (PICH) has not been studied. We evaluated retrospe...

journal_title：International journal of laboratory hematology

authors： Antalfi B,Pongrácz E,Csiki Z,Mezei ZA,Shemirani AH

更新日期：2013-02-01 00:00:00

abstract：INTRODUCTION:The complete blood count (CBC) with differential leukocyte count (DIFF) is an important part of clinical laboratory analyses and provides crucial data for clinicians. Delivery time after blood collection and conditions of storage is known to affect the reliability of results of some hematologic parameters....

journal_title：International journal of laboratory hematology

authors： Cornet E,Behier C,Troussard X

更新日期：2012-12-01 00:00:00

abstract：INTRODUCTION:Dehydration, fluid shifts or changes in coagulation occurring during air travel can trigger distinct reactions in the haematological system. Athletes are concerned that these effects might impair sporting performance, increase the risk of thrombosis or cause abnormalities in blood values that might be mist...

journal_title：International journal of laboratory hematology

authors： Schumacher YO,Klodt F,Nonis D,Pottgiesser T,Alsayrafi M,Bourdon PC,Voss SC

更新日期：2012-12-01 00:00:00

abstract：INTRODUCTION:D-dimer (DD) assays are effective for the exclusion of deep-vein thrombosis (DVT), but point-of-care (POC) DD assays have not been fully evaluated. METHODS:We have compared five POC DD assays (Pathfast, Cardiac, Vidas, Stratus and NycoCard) with our routine DD method (Tinaquant), testing 60 samples from p...

journal_title：International journal of laboratory hematology

authors： Antovic JP,Höög Hammarström K,Forslund G,Eintrei J,Sten-Linder M

更新日期：2012-10-01 00:00:00

abstract：INTRODUCTION:The Hematoflow (Beckman Coulter, USA) is a new automated hematology analyzer, which provides a 16-part white blood cell count (WBC) differential. METHODS:We evaluated the differential WBC count performance of the Hematoflow. 101 blood samples from patients were selected for comparison analysis. RESULTS:T...

journal_title：International journal of laboratory hematology

authors： Kim JE,Kim BR,Woo KS,Han JY

更新日期：2012-10-01 00:00:00

abstract：INTRODUCTION:Autoimmune haemolytic anaemia (AIHA) is defined as the increased destruction of red blood cells (RBCs) in the presence of anti-RBC autoantibodies and/or complement. Its pathogenesis is multifactorial and includes changes in mechanisms of cytokine production and functionality. A number of recent studies hav...

journal_title：International journal of laboratory hematology

authors： D'Abronzo LS,Barros MM,Bordin JO,Figueiredo MS

更新日期：2012-08-01 00:00:00

abstract：INTRODUCTION:In the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway, STAT3 is one of the most prominent prognosis factors for cancer and leukemia. STAT3 activation might promote cellular transformation and therefore have an important role in human tumors. This study aimed to i...

journal_title：International journal of laboratory hematology

authors： Zhong Y,Feng J,Chen B,Cheng L,Li Y,Qian J,Ding J,Gao F,Xia G

更新日期：2012-08-01 00:00:00

abstract：INTRODUCTION:Aberrant activation of Janus kinase (JAK)/signal transducer and activator of transcription (STAT) pathway leads to deregulated proliferation, differentiation, or apoptosis of normal cells. One of the members of this family, JAK2, plays a very important role in metabolizing carcinogens and medications. This...

journal_title：International journal of laboratory hematology

authors： Zhong Y,Wu J,Ma R,Cao H,Wang Z,Ding J,Cheng L,Feng J,Chen B

更新日期：2012-06-01 00:00:00

abstract：:Although most patients with peripheral T-cell lymphoma (PTCL) show clonal rearrangement of T-cell receptor genes, few PTCLs show recurrent chromosomal abnormalities. We describe here a rare chromosomal rearrangement, t(14;19)(q11.2;q13.3), in a Lennert's lymphoma, a variant of PTCL, not otherwise specified. Sequential...

journal_title：International journal of laboratory hematology

authors： Shin SY,Jang S,Park CJ,Chi HS,Lee KH,Huh J,Seo EJ

更新日期：2012-06-01 00:00:00

abstract：INTRODUCTION:While hyperparasitemia is considered an important indicator for the development of severe malaria, there is currently no consensus on the quantitative definition of hyperparasitemia. This study was conducted to establish a cutoff point for peripheral parasitemia among patients with Plasmodium falciparum ma...

journal_title：International journal of laboratory hematology

authors： Tangpukdee N,Krudsood S,Kano S,Wilairatana P

更新日期：2012-06-01 00:00:00

abstract：INTRODUCTION:To study the effect of bortezomib alone or in combination with daunorubicin (DNR) on an mdr1 single-factor drug-resistant leukemia cell line K562/MDR1, a multifactor-resistant cell line K562/A02, a drug-sensitive cell line K562, and primary cells from acute myeloid leukemia patients. METHODS:The cell line...

journal_title：International journal of laboratory hematology

authors： Zheng B,Zhou R,Gong Y,Yang X,Shan Q

更新日期：2012-06-01 00:00:00

abstract：INTRODUCTION:Capillary electrophoresis (CE) is a high-resolution method for detection of hemoglobin Constant Spring (Hb CS). METHODS:The levels of Hb CS quantified by CE were compared among three groups of samples including heterozygote and homozygote of Hb CS as well as Hb H-CS disease classified by DNA molecular dia...

journal_title：International journal of laboratory hematology

authors： Pornprasert S,Panyasai S,Waneesorn J,Kongthai K,Singboottra P

更新日期：2012-04-01 00:00:00

abstract：:Measurement of the Haemoglobin F in red cell haemolysates is important in the diagnosis of δβ thalassaemia, hereditary persistence of fetal haemoglobin (HPFH) and in the diagnosis and management of sickle cell disease. The distribution of Hb F in red cells is useful in the diagnosis of HPFH and in the assessment of fe...

journal_title：International journal of laboratory hematology

authors： Stephens AD,Angastiniotis M,Baysal E,Chan V,Davis B,Fucharoen S,Giordano PC,Hoyer JD,Mosca A,Wild B,International Council for The Standardisation of Haematology (ICSH).

更新日期：2012-02-01 00:00:00

abstract：INTRODUCTION:Deficiencies of protein C, protein S, and antithrombin are the main inherited risk factors in Thai patients with venous thromboembolism, although the prevalence is not high. METHODS:To evaluate the appropriate use of the testing for these proteins, the test orders of 503 patients were retrospectively revi...

journal_title：International journal of laboratory hematology

authors： Tientadakul P,Chinthammitr Y,Sanpakit K,Wongwanit C,Nilanont Y

更新日期：2011-12-01 00:00:00

abstract：INTRODUCTION:The collection of diagnostic blood specimens for routine haematological testing (RHT) is traditionally performed with tourniquet. However, the transillumination devices based on cold near-infrared LEDs have been formerly proposed as a valuable tool for identifying reliable venous accesses, especially in pa...

journal_title：International journal of laboratory hematology

authors： Lima-Oliveira G,Lippi G,Salvagno GL,Montagnana M,Scartezini M,Guidi GC,Picheth G

更新日期：2011-10-01 00:00:00

abstract：INTRODUCTION:The study aims to evaluate the diagnostic utility of thyrogastric immune features in the identification of intrinsic factor antibody negative (IFA -ve) pernicious anaemia (PA) patients. METHODS:Clinico-pathological features of 'intrinsic factor antibody positive (IFA +ve) PA' and 'IFA -ve presumed PA' Chi...

journal_title：International journal of laboratory hematology

authors： Chan J,Chan HY

更新日期：2011-08-01 00:00:00

abstract：INTRODUCTION:Multiple types of mutations in the BCR-ABL1 kinase domain have been reported. We previously reported a common alternatively spliced BCR-ABL mRNA with a 35-nucleotide insertion (35INS). We report three novel alternative splicing mutants expressed as the dominant transcripts in patient with chronic myelogeno...

journal_title：International journal of laboratory hematology

authors： Ma W,Giles F,Zhang X,Wang X,Zhang Z,Lee TS,Yeh CH,Albitar M

更新日期：2011-06-01 00:00:00

abstract：INTRODUCTION:Beta globin deletion/duplication analysis may serve as a useful adjunct to sequence analysis. Our purpose was to develop a robust assay for beta globin deletion/duplication analysis and determine its role in evaluating patients with beta thalassemia. METHODS:A single tube semi-quantitative fluorescent PCR...

journal_title：International journal of laboratory hematology

authors： Mikula M,Buller-Burckle A,Gallivan M,Sun W,Franklin CR,Strom CM

更新日期：2011-06-01 00:00:00

abstract：INTRODUCTION:The IgV(H) mutational status of B-cell chronic lymphocytic leukemia (B-CLL) is of prognostic value. Expression of ZAP-70 in B-CLL is a surrogate marker for IgV(H) unmutated (UM). As determination of IgV(H) mutational status involves a methodology currently unavailable for most clinical laboratories, it is ...

journal_title：International journal of laboratory hematology

authors： Marquez ME,Deglesne PA,Suarez G,Romano E

更新日期：2011-04-01 00:00:00

abstract：INTRODUCTION:Thrombotic complications are a main concern in patients with myeloproliferative neoplasms. Recently, a gain-of-function mutation of the gene encoding the JAK2 tyrosine kinase that results in a valine-to-phenylalanine substitution at position 617 (V617F) has been described. Since the description of the JAK2...

journal_title：International journal of laboratory hematology

authors： Xavier SG,Gadelha T,Rezende SM,Zalcberg IR,Spector N

更新日期：2011-04-01 00:00:00

abstract：:The value of nontransferrin-bound iron (NTBI) as an index of iron overload in patients with thalassemia has been evaluated; however, data in patients with sickle cell disease (SCD) is limited. NTBI levels were evaluated in a cross-sectional study of 43 transfused patients with SCD. Patient charts were reviewed for dem...

journal_title：International journal of laboratory hematology

authors： Inati A,Musallam KM,Cappellini MD,Duca L,Taher AT

更新日期：2011-04-01 00:00:00

abstract：:Cell counter-based formulae have been used in the differential diagnosis of microcytic anemia. The measurement of new red cell parameters is now available on the Sysmex XE 5000 analyzer. Derived from the percentages of microcytic and hypochromic red cells, the authors describe the new formula %microcytic-%hypochromic,...

journal_title：International journal of laboratory hematology

authors： Urrechaga E,Borque L,Escanero JF

更新日期：2011-02-01 00:00:00

abstract：:Prediction of the timing of platelet recovery after chemotherapy and hematopoietic stem cell transplantation (HSCT) allows for optimal platelet transfusion. We assessed the clinical utility of the percentage value of the immature platelet fraction (IPF%) monitored using an XE-2100 automated hematology analyzer to pred...

journal_title：International journal of laboratory hematology

authors： Yamaoka G,Kubota Y,Nomura T,Inage T,Arai T,Kitanaka A,Saigo K,Iseki K,Baba N,Taminato T

更新日期：2010-12-01 00:00:00

abstract：:Treatment of malignant blood disorders, such as leukemia, that can provide a better chance of long-term remission involves myeloablation followed by transplantation of matched donor hematopoietic stem cells (HSCs). For successful engraftment and re-establishment of hematopoiesis to occur in the recipient, the transpla...

journal_title：International journal of laboratory hematology

authors： Lam BS,Adams GB

更新日期：2010-12-01 00:00:00

abstract：:The DM is an automated microscope, which performs WBC differential counts and monitors red cell morphology. The user either validates the cell recognition if the DM has correctly identified the WBCs or reclassifies the WBCs in the good category in case of a DM mis-assignment. Morphological anomalies of leukocytes, red...

journal_title：International journal of laboratory hematology

authors： Billard M,Lainey E,Armoogum P,Alberti C,Fenneteau O,Da Costa L

更新日期：2010-10-01 00:00:00

abstract：:Direct international normalized ratio (INR) determination using certified INR plasmas was shown to improve precision and accuracy. We evaluated the utility of a multicalibrator in determining INR. INR values were measured in 493 blood samples from patients subjected to anticoagulation therapy (320) and control subject...

journal_title：International journal of laboratory hematology

authors： Cha CH,Park CJ,Kim DH,Kim MJ,Cho YU,Jang S,Chi HS

更新日期：2010-08-01 00:00:00

abstract：:Three major types of rearrangements are involved in acute myeloid leukemias (AML): t(8;21)(q22;q22), inv(16)(p13q22), and 11q23/MLL abnormalities. Their precise identification becomes essential for diagnosis, prognosis, and therapeutic choices. Resulting fusion transcripts (FT) are also powerful markers for monitoring...

journal_title：International journal of laboratory hematology

authors： Giusiano S,Formisano-Tréziny C,Benziane A,Maroc N,Picard C,Hermitte F,Taranger-Charpin C,Gabert J

更新日期：2010-08-01 00:00:00

abstract：:Molecular monitoring of the BCR-ABL1 transcript in chronic myelogenous leukemia (CML) using quantitative real-time PCR (RQ-PCR) can be performed using either bone marrow (BM) or peripheral blood (PB). However, a recent report by Stock et al. [International Journal of Oncology 28 (2006) 1099] questioned the reliability...

journal_title：International journal of laboratory hematology

authors： Ballestrero A,Cirmena G,Dominietto A,Garuti A,Rocco I,Cea M,Moran E,Nencioni A,Miglino M,Raiola AM,Bacigalupo A,Patrone F

更新日期：2010-08-01 00:00:00

abstract：:The progressive shortening of telomeres and the activation of telomerase are considered to be one of the important mechanisms in cellular immortalization and disease progression. Bone marrow samples were collected from 148 patients with acute leukemia (AL). Based on the stage of the disease, patients were divided into...

journal_title：International journal of laboratory hematology

authors： Wang Y,Fang M,Sun X,Sun J

更新日期：2010-04-01 00:00:00

abstract：:Modern photo-optical coagulometers collect optical data in the form of reaction curves and offer a possibility to determine clotting times at different points of clot formation by using different evaluation modes. The objectives of this study were to determine the possible impact of an evaluation mode on activated par...

journal_title：International journal of laboratory hematology

authors： Milos M,Herak DC,Zadro R

更新日期：2010-02-01 00:00:00

abstract：:Promoter hypermethylation plays an important role in the inactivation of cancer-related genes. This abnormality occurs early in leukemogenesis and seems to be associated with poor prognosis in myelodsplastic syndrome (MDS). The identification of more inactivated tumor suppressor genes contributing to the development o...

journal_title：International journal of laboratory hematology

authors： Qian J,Yao DM,Lin J,Wang YL,Han LX,Xu WR,Wu CY

更新日期：2010-02-01 00:00:00

abstract：:Complex chromosomal aberrations (CCA) can be detected in a substantial proportion of myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML), which are associated with very poor prognosis. Conventional cytogenetics (CC) cannot accurately define the specific alterations in CCA. Multiplex fluorescence in situ h...

journal_title：International journal of laboratory hematology

authors： Xu W,Li JY,Liu Q,Zhu Y,Pan JL,Qiu HR,Xue YQ

更新日期：2010-02-01 00:00:00

abstract：:Myelodysplastic syndrome (MDS) with hypocellular bone marrow (BM) is often difficult to distinguish from aplastic anemia (AA). Furthermore, the diagnosis of MDS with low blast counts and normal karyotype may be problematic. These issues highlight the need for a reliable marker for the diagnosis of MDS. This study was ...

journal_title：International journal of laboratory hematology

authors： Huh HJ,Chae SL,Lee M,Hong KS,Mun YC,Seong CM,Chung WS,Huh JW

更新日期：2009-06-01 00:00:00

abstract：:The PENTRA 60C(+) hematology analyzer provides a complete blood cell (CBC) count, including a five-part differential (5-DIFF) count and two leukocyte subpopulations, i.e. large immature cells (LIC's) and atypical lymphocytes (ALY's). We evaluated its analytical performance and assessed agreement with the ADVIA 2120, i...

journal_title：International journal of laboratory hematology

authors： Guerti K,Vertessen F,Daniëls L,Van Der Planken M

更新日期：2009-04-01 00:00:00

abstract：:Several intracytoplasmic morphological changes in the plasma cells of multiple myeloma have been described previously. However, Auer rod-like inclusions are rarely found in these types of cells. Here, we report a case of multiple myeloma with Auer rod-like, needle-shaped intracytoplasmic inclusions in plasma cells. A ...

journal_title：International journal of laboratory hematology

authors： Hütter G,Nowak D,Blau IW,Thiel E

更新日期：2009-04-01 00:00:00

abstract：:Immunophenotyping of acute myeloid leukaemia (AML) has controversial implications with regards to prognosis. The aims of the present study were to determine the frequency of leukaemia-associated phenotypes (LAP) in AML and to correlate their presence with response to induction chemotherapy. We analysed bone marrow sam...

journal_title：International journal of laboratory hematology

authors： Al-Mawali A,To LB,Gillis D,Hissaria P,Mundy J,Lewis I

更新日期：2009-02-01 00:00:00

abstract：:The diagnosis of iron deficiency in hospital patients can be difficult in the presence of inflammation. A raised serum transferrin receptor (sTfR) level is useful as a marker of iron deficiency as it is unaffected by inflammation. However, diseases that cause an increase in erythropoietic activity can also result in a...

journal_title：International journal of laboratory hematology

authors： Ong KH,Tan HL,Tam LP,Hawkins RC,Kuperan P

更新日期：2008-12-01 00:00:00

abstract：:Successful adoptive immunotherapy for leukemia depends on the generation of T cells that can specifically react with malignant cells. Dendritic cells (DCs) are important antigen-presenting cells in the development of antileukemia T-cell responses. Mononuclear cells (MNC) were isolated from peripheral blood or bone mar...

journal_title：International journal of laboratory hematology

authors： Tong XM,Yao HP,Qian WB,Zhu LF,Fu ZH,Huang ZL,Jin J

更新日期：2008-10-01 00:00:00