Determination of the oxygen dissociation curve and P50 of whole blood. An evaluation of the Hem-O-Scan and instrumentation of laboratory systems.

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：OBJECTIVES:Preanalytical factors, such as hemolysis, affect many components of a test panel. Machine learning can be used to recognize these patterns, alerting clinicians and laboratories to potentially erroneous results. In particular, machine learning might identify which cases of elevated potassium from a point-of-c...

journal_title：American journal of clinical pathology

authors： Benirschke RC,Gniadek TJ

更新日期：2020-07-07 00:00:00

abstract：Objectives:To evaluate the prevalence of potentially unnecessary repeat testing (PURT) and the associated economic burden for an inpatient population at a large academic medical facility. Methods:We evaluated all inpatient test orders during 2016 for PURT by comparing the intertest times to published recommendations. ...

journal_title：American journal of clinical pathology

authors： Hueth KD,Jackson BR,Schmidt RL

更新日期：2018-05-31 00:00:00

abstract：:Antibody to hepatitis B core antigen (anti-HBc) has previously been recognized to be a sensitive marker of hepatitis B virus (HBV) infection. In addition, anti-HBc has recently been suggested to be a surrogate marker for non-A, non-B hepatitis agents in donated blood. The authors studied prospectively the HBV antigen ...

journal_title：American journal of clinical pathology

authors： Lai KN,Lai FM,Leung NW,Lo ST,Tam JS

更新日期：1990-01-01 00:00:00

abstract：:To investigate the specificity of terminal deoxynucleotidyl transferase (TdT) as a marker for lymphoblastic lymphoma in the non-Hodgkin's lymphomas, the authors assayed malignant cells from 142 patients with non-Hodgkin's malignant lymphoma, as well as cells from normal lymphoid tissue controls. Neoplastic cells from ...

journal_title：American journal of clinical pathology

authors： Braziel RM,Keneklis T,Donlon JA,Hsu SM,Cossman J,Bollum FJ,Jaffe ES

更新日期：1983-11-01 00:00:00

abstract：:Measuring HER-2 is important for selecting optimal therapy and predicting prognosis in breast cancer patients. Current methods for evaluating HER-2 include measuring protein overexpression by immunohistochemistry (IHC), measuring gene copy number by fluorescent in situ hybridization (FISH), and measuring shed antigen ...

journal_title：American journal of clinical pathology

authors： Yeh IT

更新日期：2002-06-01 00:00:00

abstract：:Fine-needle cytology (FNC) of 292 palpable orbital and eyelid tumors was performed with a 25-gauge (0.5-mm), 3-cm needle and compared with the histopathologic findings in 286 cases. Among these 286 cases, a concordant diagnosis of malignancy and type was achieved in 249 cases (87%). False positive diagnoses were made ...

journal_title：American journal of clinical pathology

authors： Zajdela A,Vielh P,Schlienger P,Haye C

更新日期：1990-01-01 00:00:00

abstract：:A fatal case of an apparently congenital form of hemophagocytic reticulosis is reported. The onset was manifested by hyperbilirubinemia and hepatosplenomegaly which were present at birth and persisted throughout life. Fever, anemia and pancytopenia developed at 1 month of age and became progressively worse. A splenect...

journal_title：American journal of clinical pathology

authors： Koto A,Morecki R,Santorineou M

更新日期：1976-04-01 00:00:00

abstract：OBJECTIVES:The 2014 Bethesda System (TBS 2014) guidelines for reporting cervical cytology revised the age for reporting benign endometrial cells (BECs) from 40 years or older to age 45 years or older. We evaluated this change and further investigated if extending the reporting age to 50 years or older may be acceptable...

journal_title：American journal of clinical pathology

authors： Hernandez A,Schatz-Siemers N,Zhou F,Brandler TC,Negron R,Modi L,Elgert PA,Simsir A

更新日期：2020-08-05 00:00:00

abstract：:Fixed lymphoma tissues from 11 patients seropositive for human T-cell leukemia virus type I (HTLV-I) antibodies were analyzed for proviral sequences by the polymerase chain reaction. Typical adult T-cell leukemia/lymphomas (ATLLs) from nine patients were positive for HTLV-I sequences. In contrast, one of two lymphomas...

journal_title：American journal of clinical pathology

authors： Shibata D,Tokunaga M,Sasaki N,Nanba K

更新日期：1991-04-01 00:00:00

abstract：Objectives:To analyze the economic impact of testing for activated protein C resistance (APC-R) due to factor V Leiden (FVL) mutation with APC-R with reflexive FVL genotyping (algorithmic approach) or genotyping alone. Methods:OptumLabs Data Warehouse (OLDW) data were used to assess testing approaches. Insurance claim...

journal_title：American journal of clinical pathology

authors： Perez Botero J,Majerus JA,Strege AK,Johnson RD,Chen D,Pruthi RK

更新日期：2017-06-01 00:00:00

abstract：OBJECTIVES:CD161 (NKRP1) is a lectin-like receptor present on NK cells and rare T-cell subsets. We have observed CD161 expression in some cases of T-cell prolymphocytic leukemia (T-PLL) and found it to be useful in follow-up and detection of disease after treatment. METHODS:Retrospective review of T-PLL cases with com...

journal_title：American journal of clinical pathology

authors： Gilles SR,Yohe SL,Linden MA,Dolan M,Hirsch B,Grzywacz B

更新日期：2019-09-09 00:00:00

abstract：:Previous studies have found that amplification and overexpression of the c-erbB-2 oncogene in mammary ductal adenocarcinomas predicts decreased disease-free or overall survival. Information regarding the prognostic and pathogenetic significance of oncogene amplification has been limited by difficulty obtaining suffici...

journal_title：American journal of clinical pathology

authors： Gramlich TL,Cohen C,Fritsch C,DeRose PB,Gansler T

更新日期：1994-04-01 00:00:00

abstract：:Staphylococcus epidermidis is among the most common organisms isolated from blood cultures. Conversely, it is rarely a well-documented cause of natural-valve endocarditis. However, several authors have reported series of patients with the clinical picture of endocarditis and S. epidermidis bacteremia. Most of these ca...

journal_title：American journal of clinical pathology

authors： Littenberg B,Cooper B,Levitz R

更新日期：1987-03-01 00:00:00

abstract：:Mucocele-like lesion (MLL) is a rare mucinous lesion of the breast with highly variable upgrade rates to atypia or malignancy on excision. This spectrum of data has led to differing opinions on the need for surgical excision. We evaluated 50 core biopsy specimens diagnosed as having MLLs and correlated the findings wi...

journal_title：American journal of clinical pathology

authors： Sutton B,Davion S,Feldman M,Siziopikou K,Mendelson E,Sullivan M

更新日期：2012-12-01 00:00:00

abstract：:The authors describe the case of a 33-year-old man with a solitary cystic lesion of the left distal radius with central radiodensities that radiographically suggested a chondroid matrix. Curettage of the lesion revealed numerous calcospherites with a lamellar structure. This lamellar pattern is thought to be a result ...

journal_title：American journal of clinical pathology

authors： Kragel PJ,Williams J,Garvin DF,Goral AB

更新日期：1989-12-01 00:00:00

abstract：:Characteristically, mantle cell lymphoma (MCL) expresses surface immunoglobulin (sIg), CD19, CD20, and CD5 and lacks CD10 and CD23. Rare CD5-MCL variants have been described. This report describes a case of leukemic MCL with morphologically and immunophenotypically distinct classic MCL and blastoid-variant MCL (BV-MCL...

journal_title：American journal of clinical pathology

authors： Morice WG,Hodnefield JM,Kurtin PJ,Hanson CA

更新日期：2004-07-01 00:00:00

abstract：:Platelet factor 4 (PF4)/heparin antibody, typically associated with heparin therapy, is reported in some heparin-naive people. Seroprevalence in the general population, however, remains unclear. We prospectively evaluated PF4/heparin antibody in approximately 4,000 blood bank donors using a commercial enzyme-linked im...

journal_title：American journal of clinical pathology

authors： Hursting MJ,Pai PJ,McCracken JE,Hwang F,Suvarna S,Lokhnygina Y,Bandarenko N,Arepally GM

更新日期：2010-11-01 00:00:00

abstract：:Screening for serum lipid disorders is recommended by numerous specialty societies to identify patients at risk for coronary heart disease (CHD). The best screening tests will identify patients at highest risk for CHD who would benefit from intervention. This report discusses an appropriate test panel to use as the in...

journal_title：American journal of clinical pathology

authors： Hostetter AL

更新日期：1995-04-01 00:00:00

abstract：:This practice parameter, developed by the Practice Parameters and Outcomes Measurement Committee of the American Society of Clinical Pathologists (ASCP), is a guideline for the development of reasonable stat lists. Stat testing lists vary according to practice setting. Furthermore, although stat lists exist, extenuati...

journal_title：American journal of clinical pathology

authors： Hilborne L,Lee H,Cathcart P

更新日期：1996-06-01 00:00:00

abstract：OBJECTIVES:Luminex-based single-antigen bead human leukocyte antigen (HLA) antibody testing is widely used to define HLA antibodies for transplant compatibility. False-negative results can occur with complement-mediated prozone inhibition. This study assessed the effect of EDTA on the assay background reactivity and fl...

journal_title：American journal of clinical pathology

authors： Anani WQ,Zeevi A,Lunz JG

更新日期：2016-09-01 00:00:00

abstract：:Reported is a case of lymphoma which was preceded for nine years by an apparently reactive lymphadenopathy. Original slides of the multiple lymphoid tissue samples are reviewed, with emphasis on the gradually increasing numbers of mitoses, atypical histiocytes, and eosinophils, suggestive of malignant transformation. ...

journal_title：American journal of clinical pathology

authors： Hyland CH,Murad TM,Dismukes WE

更新日期：1977-11-01 00:00:00

abstract：:Pulmonary alveolar proteinosis (PAP) is an uncommon disease in which alveoli are progressively filled with surfactant-related material. Although a definitive diagnosis is usually made by an open lung biopsy, bronchoalveolar lavage (BAL) cytology may play a decisive role in the clinical work-up of these patients, and, ...

journal_title：American journal of clinical pathology

authors： Burkhalter A,Silverman JF,Hopkins MB 3rd,Geisinger KR

更新日期：1996-10-01 00:00:00

abstract：:An experimental computerized interactive morphometry system for the classification of lymphoid-rich effusions is presented. The relatively inexpensive microcomputer-based system was assembled in our laboratory with commercially available hardware and software. One hundred twenty-two effusions (86 benign lymphocytoses,...

journal_title：American journal of clinical pathology

authors： Walts AE,Morimoto R,Marchevsky AM

更新日期：1993-05-01 00:00:00

abstract：:Two commercial enzyme-linked immunosorbent assays (EIAs) for human immunodeficiency virus (HIV) antigens were evaluated for sensitivity and reproducibility by use of supernatant fluid from cell cultures of peripheral mononuclear cells of 18 patients with acquired immunodeficiency syndrome (AIDS) and 12 asymptomatic HI...

journal_title：American journal of clinical pathology

authors： Jackson JB,Sannerud K,Rhame FS,Balfour HH Jr

更新日期：1988-06-01 00:00:00

abstract：:To increase transplantation access, particularly in living-donor renal transplantation, efforts have been made to overcome the barrier of ABO incompatibility. In adults, the most successful cases have involved renal transplantation. Although the overall goal of reducing antibodies against donor ABO before and after tr...

journal_title：American journal of clinical pathology

authors： Warner PR,Nester TA

更新日期：2006-06-01 00:00:00

abstract：:Centerin (SERPINA9/GCET1) is a protease inhibitor with expression restricted to germinal center B cells and lymphoid malignancies with germinal center B-cell maturation. Expression of the centerin gene transcript, along with bcl-6 and GCET2/HGAL, constitutes a molecular signature associated with a good prognosis in di...

journal_title：American journal of clinical pathology

authors： Paterson MA,Hosking PS,Coughlin PB

更新日期：2008-07-01 00:00:00

abstract：:Two hundred forty-three patients who had pathologically verified primary osteosarcomas of bone, treated at The University of Texas System Cancer Center, M. D. Anderson Hospital and Tumor Institute over a 24-year period, form the basis of this study. These cases provide a basis for comparison of those patients currentl...

journal_title：American journal of clinical pathology

authors： Uribe-Botero G,Russell WO,Sutow WW,Martin RG

更新日期：1977-05-01 00:00:00

abstract：OBJECTIVES:To determine the public health surveillance severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing volume needed, both for acute infection and seroprevalence. METHODS:Required testing volumes were developed using standard statistical methods based on test analytical performance, disease preval...

journal_title：American journal of clinical pathology

authors： Hilborne LH,Wagner Z,Cabreros I,Brook RH

更新日期：2020-07-07 00:00:00

abstract：:Therapeutic control achieved by an anticoagulant clinic may be assessed by calculation of the proportion of time spent by the patients within the prothrombin time target range aimed for by the clinic. Three calculation methods for such assessment have been described by other investigators. The three methods were compa...

journal_title：American journal of clinical pathology

authors： van den Besselaar AM,van der Meer FJ,Gerrits-Drabbe CW

更新日期：1988-12-01 00:00:00