A comparison of immunohistochemical stain quality in conventional and rapid microwave processed tissues.

abstract：:We performed a retrospective clinicopathologic study on sequential biopsy specimens from 90 patients with Philadelphia chromosome-positive chronic myelogenous leukemia to study therapy-specific effects of busulfan (28 patients), hydroxyurea (32 patients), and interferon-alfa (IFN-alfa; 30 patients). Bone marrow specim...

journal_title：American journal of clinical pathology

authors： Thiele J,Kvasnicka HM,Schmitt-Graeff A,Bundschuh S,Biermann T,Roessler G,Wasmus M,Diehl V,Zankovich R,Schaefer HE

更新日期：2000-07-01 00:00:00

abstract：:Immunohistochemical analysis, the most efficient way of assaying for HER-2/neu overexpression in patients with invasive breast cancer, is subject to variation in sensitivity and evaluation when used in multiple laboratories. Cell lines with differing but constant levels of HER-2/neu expression have been advocated as s...

journal_title：American journal of clinical pathology

authors： Rhodes A,Borthwick D,Sykes R,Al-Sam S,Paradiso A

更新日期：2004-07-01 00:00:00

abstract：:Thirty drugs used primarily in critical care and hospital settings were tested in vitro to observe interference on glucose measurements with 6 hand-held glucose meters and a portable glucose analyzer. Paired differences of glucose measurements between drug-spiked samples and unspiked control samples were calculated to...

journal_title：American journal of clinical pathology

authors： Tang Z,Du X,Louie RF,Kost GJ

更新日期：2000-01-01 00:00:00

abstract：:Although some studies have examined the expression of aberrant markers such as CD2, CD7, CD10, CD13, CD33, and CD34 on B cells in chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), a uniform multiparametric analysis of the frequency of expression of these markers using stringent criteria is lacking. By...

journal_title：American journal of clinical pathology

authors： Kampalath B,Barcos MP,Stewart C

更新日期：2003-06-01 00:00:00

abstract：:Our aim was to study the possible association between oral lichen planus and chronic hepatitis C in patients from the state of Minas Gerais, Brazil. Two groups of patients were studied: group 1, 50 patients with oral lichen planus evaluated for the presence of chronic hepatitis C; and group 2, 215 patients with chroni...

journal_title：American journal of clinical pathology

authors： de Mattos Camargo Grossmann S,de Aguiar MC,Teixeira R,do Carmo MA

更新日期：2007-05-01 00:00:00

abstract：:A 67-year-old man presented with a malignant tumor involving abdominal lymph nodes, spleen, liver, and lungs, with associated protracted fever and night sweats. The tumor consisted of large pleomorphic cells, often surrounding microabscesses. Intracytoplasmic S100 protein, surface T6, Leu-3a (T4), and HLA-DR antigens ...

journal_title：American journal of clinical pathology

authors： Chan WC,Zaatari G

更新日期：1986-06-01 00:00:00

abstract：:The determination of tumor cell estrogen receptor (ER) expression status by immunohistochemical analysis has become standard practice, yet assay reproducibility has not been assessed adequately. By using a breast cancer tissue microarray, we examined interlaboratory variability in ER reporting. A 2-fold redundant tiss...

journal_title：American journal of clinical pathology

authors： Parker RL,Huntsman DG,Lesack DW,Cupples JB,Grant DR,Akbari M,Gilks CB

更新日期：2002-05-01 00:00:00

abstract：:Free testosterone (FT) measurement by equilibrium dialysis and liquid chromatography-tandem mass spectroscopy (LCMS/MS) is the "gold standard." We hypothesized that calculated FT values could substitute for measured values; compared FT results reported by Walter Reed Army Medical Center (WRAMC), Washington, DC, with r...

journal_title：American journal of clinical pathology

authors： DeVan ML,Bankson DD,Abadie JM

更新日期：2008-03-01 00:00:00

abstract：OBJECTIVES:To establish an objective, scientific, evidence-based process for planning statistical quality control (SQC) procedures based on quality required for a test, precision and bias observed for a measurement procedure, probabilities of error detection and false rejection for different control rules and numbers o...

journal_title：American journal of clinical pathology

authors： Westgard JO,Westgard SA

更新日期：2019-03-01 00:00:00

abstract：:A simple scheme for the speciation of clinical isolates of "viridans" streptococci based on nine physiological characteristics is presented. Use of this scheme will enable successful speciation of most "viridans" strep isolates in any laboratory and allow for the accumulation of data necessary for the definition of cl...

journal_title：American journal of clinical pathology

authors： Sands M,Sommers HM,Rubin MB

更新日期：1982-07-01 00:00:00

abstract：:Platelet aggregation studies are usually performed in either electrical impedance or optical systems and the release reaction assessed by quantitating adenosine triphosphate (ATP) from luminesence produced by the firefly luciferin-luciferase system. In evaluating the results of such studies, attention is paid to a var...

journal_title：American journal of clinical pathology

authors： Sweeney JD,Labuzetta JW,Fitzpatrick JE

更新日期：1988-05-01 00:00:00

abstract：:The present study evaluated the origin of endothelial and epithelial cells, as well as of lymphocytes and macrophages, after lung transplantation. Biopsy specimens from patients who underwent lung and heart-lung transplantation and received organs of sex-mismatched donors were studied by means of nonisotopic in situ h...

journal_title：American journal of clinical pathology

authors： Bittmann I,Dose T,Baretton GB,Müller C,Schwaiblmair M,Kur F,Löhrs U

更新日期：2001-04-01 00:00:00

abstract：:A test for the detection of antibodies to HTLV-III is available and will be widely used to screen donated blood to prevent transfusion-associated acquired immunodeficiency syndrome (AIDS). Based upon the sensitivity and specificity, the authors calculated the expected predictive values for different groups of asymptom...

journal_title：American journal of clinical pathology

authors： Sivak SL,Wormser GP

更新日期：1986-06-01 00:00:00

abstract：:Overexpression and amplification of the HER-2 oncogene in patients with breast cancer has correlated with early onset of metastasis, resistance to hormonal therapy and some forms of chemotherapy, and shortened survival. Therefore, evaluation of this putative prognostic or predictive factor seems critical. Because diff...

journal_title：American journal of clinical pathology

authors： Gancberg D,Lespagnard L,Rouas G,Paesmans M,Piccart M,Di Leo A,Nogaret JM,Hertens D,Verhest A,Larsimont D

更新日期：2000-05-01 00:00:00

abstract：:Sex cord tumor with annular tubules (SCTAT) is a distinctive ovarian sex cord-stromal tumor. The authors describe a case of SCTAT arising outside the ovaries, in the fallopian tube. The authors are aware of only one other case of extra-ovarian SCTAT, in an umbilical hernia sac in an adult woman. The case reported was ...

journal_title：American journal of clinical pathology

authors： Griffith LM,Carcangiu ML

更新日期：1991-08-01 00:00:00

abstract：:Gc allele frequencies were determined in Haitian immigrants, a group at high risk for AIDS. Gc2, an allele associated with disease resistance, is infrequent in this group; Gc1f is frequent. ...

journal_title：American journal of clinical pathology

authors： Wenk RE,Russo F

更新日期：1988-09-01 00:00:00

abstract：:Bull's algorithm has been evaluated by computer simulation studies. Varying amounts of systematic analytic error were simulated in either hemoglobin (Hgb), red blood cell count (RBC), or mean corpuscular volume (MCV) with the resulting red blood cell indices averaged in batches of 20 using Bull's algorithm. The number...

journal_title：American journal of clinical pathology

authors： Cembrowski GS,Westgard JO

更新日期：1985-03-01 00:00:00

abstract：:Hepatitis C virus (HCV) infection may be complicated by non-Hodgkin's lymphoma. We describe eight cases of B-cell extranodal non-Hodgkin's lymphoma occurring during the course of chronic HCV-related hepatic disease (low-grade of mucosa-associated lymphoid tissue [MALT]-type; diffuse large cell; Burkitt; diffuse small ...

journal_title：American journal of clinical pathology

authors： Ascoli V,Lo Coco F,Artini M,Levrero M,Martelli M,Negro F

更新日期：1998-05-01 00:00:00

abstract：:In 10 cases of Barrett adenocarcinoma, samples from 8 tumor areas (including superficial and deep from peripheral and central areas) and a regional lymph node metastasis were studied for amplification of c-myc, c-erbB-2, and EGFR. We analyzed loss of heterozygosity (LOH) at 3 loci (APC, MCC, and RB) and 2 anonymous mi...

journal_title：American journal of clinical pathology

authors： Owonikoko T,Rees M,Gabbert HE,Sarbia M

更新日期：2002-04-01 00:00:00

abstract：OBJECTIVES:α1-Antitrypsin (AAT) deficiency is associated with an increased risk for lung and liver disease. Identification of AAT deficiency as the underlying cause of these diseases is important in correct patient management. METHODS:AAT deficiency is commonly diagnosed by demonstrating low concentrations of AAT foll...

journal_title：American journal of clinical pathology

authors： Suh-Lailam BB,Procter M,Krautscheid P,Haas J,Kumar S,Mao R,Grenache DG

更新日期：2014-05-01 00:00:00

abstract：:Bone marrow angiogenesis in patients with idiopathic myelofibrosis (IM) was evaluated by using a quantitative morphometric analysis test system. IM specimens had a significantly higher degree of bone marrow microvessel density (MVD) compared with control specimens. The higher degree of angiogenesis was associated with...

journal_title：American journal of clinical pathology

authors： Ni H,Barosi G,Hoffman R

更新日期：2006-08-01 00:00:00

abstract：:An unusual case of acute myelomonocytic leukemia (AMML) in an 81-year-old man is described. Ultrastructural examination revealed the presence of distinct Auer bodies, which commonly are found in acute promyelocytic leukemia (APL). The Auer bodies had a splinterlike appearance with a distinct tubular substructure. The ...

journal_title：American journal of clinical pathology

authors： Payne CM,Harrow EJ

更新日期：1983-08-01 00:00:00

abstract：Objectives:Diagnosis of B-cell acute lymphoblastic leukemia (B-ALL) requires immunophenotypic evidence of B-lineage and absence of specific myeloid or T-lineage markers. Rare cases of otherwise typical B-ALL express myeloperoxidase (MPO) detectable by flow cytometry with an absence of other myeloid markers, but the cli...

journal_title：American journal of clinical pathology

authors： Oberley MJ,Li S,Orgel E,Phei Wee C,Hagiya A,O'Gorman MRG

更新日期：2017-04-01 00:00:00

abstract：:Accurate diagnosis of oral hairy leukoplakia (OHL) is important because it may be an early indicator of undiagnosed HIV infection; moreover, it may be a prognostic indicator. Our purpose was to investigate the histopathologic features of subclinical OHL and to evaluate and support the rationale of detecting subclinica...

journal_title：American journal of clinical pathology

authors： Dias EP,Rocha ML,Silva JúniorA,Spyrides KS,Ferreira SM,Polignano GA,Feijó EC,Da Fonseca EC

更新日期：2000-09-01 00:00:00

abstract：:This study describes results of fresh-frozen immunohistochemistry applied to two typical Warthin's tumors. Polyclonal follicular center cell staining and an apparent reduction in the number of T-lymphocytes were found. These observations tend to support the concept that the lymphoid infiltrate in Warthin's tumor repre...

journal_title：American journal of clinical pathology

authors： Tubbs RR,Sheibani K,Weiss RA,Lee V,Sebek BA,Valenzuela R

更新日期：1980-12-01 00:00:00

abstract：:Pretreatment posterior iliac crest bone marrow biopsies were obtained from 26 multiple myeloma patients. Biopsies were processed in methacrylate. The percentage of myeloma tissue, myeloid tissue, and fat was estimated in each biopsy. In 20 patients who died there was a positive correlation between the percent of myelo...

journal_title：American journal of clinical pathology

authors： Mahmoud LA,Block MH,Franks JJ,Sayed NM

更新日期：1983-09-01 00:00:00

abstract：OBJECTIVES:To evaluate the predictive value of growth patterns in patients undergoing sorafenib treatment for metastatic clear cell renal cell carcinomas (CCRCCs). METHODS:Forty-eight patients were analyzed, each of whom underwent nephrectomy and received sorafenib treatment for metastatic CCRCC. Progression-free surv...

journal_title：American journal of clinical pathology

authors： Araki H,Tsuzuki T,Kimura T,Tanaka K,Yamada S,Sassa N,Yoshino Y,Hattori R,Gotoh M

更新日期：2015-04-01 00:00:00

abstract：:The authors tested a newly-developed computerized laser scanning cytometer (LSC) as a means of performing immunophenotypic analysis of hematologic specimens within their community hospital. Results were compared on a case-by-case basis with parallel flow cytometric and immunohistochemical data. A total of 71 specimens...

journal_title：American journal of clinical pathology

authors： Clatch RJ,Walloch JL,Zutter MM,Kamentsky LA

更新日期：1996-06-01 00:00:00

abstract：:Four media, Eagle's minimal essential medium with 10% fetal bovine serum (MEM/FBS), tryptic soy broth (TSB), 2-SP, and 4-SP, were compared for their ability to maintain the viability of Chlamydia trachomatis at 4 degrees C, -20 degrees C, -70 degrees C, and -176 degrees C (liquid nitrogen) over a 1-week period. 2-SP m...

journal_title：American journal of clinical pathology

authors： Aarnaes SL,Peterson EM,De La Maza LM

更新日期：1984-02-01 00:00:00

abstract：:Lean methodologies have been applied in many industries to reduce waste. We applied Lean techniques to redesign laboratory workstations with the aim of reducing the number of times employees must leave their workstations to complete their tasks. At baseline in 68 workflows (aggregates or sequence of process steps) stu...

journal_title：American journal of clinical pathology

authors： Yerian LM,Seestadt JA,Gomez ER,Marchant KK

更新日期：2012-08-01 00:00:00