Diagnostic Testing Approaches for Activated Protein C Resistance and Factor V Leiden: A Comparison of Institutional and National Provider Practices.

abstract：:The resources needed to operate a clinical chemistry laboratory are known only as rough approximations. In order to gather more information about these resources, a 13-page questionnaire was completed by 50 pathology departments of which 38 departments provided adequate information about their clinical chemistry secti...

journal_title：American journal of clinical pathology

authors： Elin RJ,Robertson EA,Sever G

更新日期：1982-12-01 00:00:00

abstract：:Examination of kidneys of ten patients with uremia and severe hypertension treated by chronic intermittent hemodialysis revealed a deposition of glycogen within interstitial cells of the renal medulla. This is unlike any described renal distribution of glycogen. Electron microscopic studies performed in one case demon...

journal_title：American journal of clinical pathology

authors： Hughson MD,McManus JF,Fitts CT,Williams AV

更新日期：1979-09-01 00:00:00

abstract：:We studied the antigen expression profiles of 19 anaplastic large cell lymphoma (ALCL) cases by multiparameter flow cytometry. The neoplastic cells expressed CD45, HLA-DR, and CD30 in all cases. At least 1 T cell-associated antigen was expressed in each case (CD2, 12/17 [71%]; CD4, 12/19 [63%]; CD3, 6/19 [32%]; CD7, 6...

journal_title：American journal of clinical pathology

authors： Juco J,Holden JT,Mann KP,Kelley LG,Li S

更新日期：2003-02-01 00:00:00

abstract：:Hemizygous TP53 gene deletion is the most important adverse risk factor in chronic lymphocytic leukemia (CLL), but its relationship with p53 protein expression is unclear. We investigated 110 CLL cases and correlated nuclear p53 protein immunoreactivity with TP53 gene deletion status and other CLL-associated genetic r...

journal_title：American journal of clinical pathology

authors： Chang H,Jiang AM,Qi CX

更新日期：2010-01-01 00:00:00

abstract：:We compared an automated quantitative heart-type fatty acid-binding protein (H-FABP) assay with other cardiac-marker assays to examine its usefulness as an early diagnostic marker of acute myocardial infarction (AMI). Serum samples for cardiac troponin T (cTnT), creatine kinase-MB isozyme (CK-MB), myoglobin, and H-FAB...

journal_title：American journal of clinical pathology

authors： Kim Y,Kim H,Kim SY,Lee HK,Kwon HJ,Kim YG,Lee J,Kim HM,So BH

更新日期：2010-07-01 00:00:00

abstract：:In this study, I have estimated the percentage of tumor by visual estimate in 447 prostatectomy specimens from American Veterans Affairs patients and related this measurement to overall survival. Although percentage of tumor was significantly related to the serum prostate-specific antigen level, tumor stage, and Gleas...

journal_title：American journal of clinical pathology

authors： Vollmer RT

更新日期：2009-01-01 00:00:00

abstract：:The most common differentiated renal tumor of early childhood is the congenital mesoblastic neophroma. Well-differentiated forms of Wilms' tumor may present a difficult differential diagnosis from these benign neoplasms. The cases of two patients found to have well-differentiated renal neoplasms after being treated fo...

journal_title：American journal of clinical pathology

authors： Hughson MD,Hennigar GR,Othersen HB Jr

更新日期：1976-08-01 00:00:00

abstract：:This investigation was designed to improve reference information and to evaluate the influences of sample distribution and age on the derived reference intervals. Specimens from 127 men were collected after a 12- to 14-hour fast and analyzed by 60 different laboratory procedures. Differences in the reference intervals...

journal_title：American journal of clinical pathology

authors： Ash KO,Clark SJ,Sandberg LB,Hunter E,Woodward SC

更新日期：1983-05-01 00:00:00

abstract：:Mantle cell lymphoma (MCL) expresses pan-B-cell antigens and is usually CD5+/CD10-/CD23-/FMC7+. In this study, we evaluated 52 patients with confirmed diagnoses of MCL and identified variant immunophenotypes in 21 patients (19/48 classical and 2/4 variant MCLs), including CD5- in 6 (12%) of 52, CD10+ in 4 (8%) of 50, ...

journal_title：American journal of clinical pathology

authors： Gao J,Peterson L,Nelson B,Goolsby C,Chen YH

更新日期：2009-11-01 00:00:00

abstract：:Platelet volume measurements have been used to differentiate consumptive and hypoplastic thrombocytopenia. Since thrombocytopenia is a frequent complication of neonatal sepsis, the authors explored the utility of correlating mean platelet volume (MVP) and platelet distribution width (PDW) with bacteremia. In a sample ...

journal_title：American journal of clinical pathology

authors： Patrick CH,Lazarchick J

更新日期：1990-03-01 00:00:00

abstract：:Recently, strains of Streptococcus pneumoniae with greatly increased resistance to penicillin (minimal inhibitory concentrations or MICs, 1--8 microgram/ml) were recovered in cultures of blood from patients in South Africa and from one in Minnesota who had serious pneumococcal infections. The authors undertook a study...

journal_title：American journal of clinical pathology

authors： Maki DG,Helstad AG,Kimball JL

更新日期：1980-02-01 00:00:00

abstract：:Location-guided screening in cervical cytology offers a potentially significant advance over routine manual screening. A prospective, 2-armed, masked clinical trial of the BD FocalPoint GS Imaging System using SurePath slides (BD Diagnostics-TriPath, Burlington, NC) compared routine manual screening and quality contro...

journal_title：American journal of clinical pathology

authors： Wilbur DC,Black-Schaffer WS,Luff RD,Abraham KP,Kemper C,Molina JT,Tench WD

更新日期：2009-11-01 00:00:00

abstract：:Platelet-derived growth factors (PDGFs) exert their biologic function by binding to 3 different tyrosine kinase receptor isoforms. Especially the PDGF-alpha alpha receptor binds PDGF proteins with high specificity, which results in growth stimulation. The expression of the receptor and its ligand was studied in human ...

journal_title：American journal of clinical pathology

authors： Sulzbacher I,Birner P,Träxler M,Marberger M,Haitel A

更新日期：2003-07-01 00:00:00

abstract：:To evaluate the diagnostic utility of flow cytometry (FCM) as compared to cytology, DNA and RNA content of cells were measured in 233 samples of cerebrospinal fluid (CSF) from 147 patients with solid tumors or lymphomas and 17 controls with nonmalignant disorders. All control specimens were normal. Twenty-eight sample...

journal_title：American journal of clinical pathology

authors： Cibas ES,Malkin MG,Posner JB,Melamed MR

更新日期：1987-11-01 00:00:00

abstract：:Critical Path Method (CPM) and Program Evaluation and Review Technique (PERT) are quantitative network planning strategies that facilitate management of projects with many interrelated activities. They determine the minimum time necessary to complete a project and identify which activities are critical to achieving th...

journal_title：American journal of clinical pathology

authors： Kost GJ

更新日期：1983-03-01 00:00:00

abstract：:In lung transplant recipients, bronchoalveolar lavage (BAL) is mainly performed to detect infectious agents. However, in addition to microorganisms, epithelial cell atypia may be identified, and determination of its significance is necessary. Specimens obtained at BAL in lung and heart-lung transplant recipients (LTRs...

journal_title：American journal of clinical pathology

authors： Ohori NP

更新日期：1999-08-01 00:00:00

abstract：:A clinically and histopathologically well-documented case of malignant carcinoid tumor (with carcinoid syndrome) is described. The presence of numerous psammoma bodies in metastatic carcinoid tumor deposits, confirmed by histochemical and ultrastructural analyses, represents a heretofore unreported finding. ...

journal_title：American journal of clinical pathology

authors： Caya JG,Tieu TM,Wollenberg NJ,Soergel K,Anderson T

更新日期：1984-03-01 00:00:00

abstract：:An automated fluorescent immunoassay system (FIAX) was compared with complement fixation (CF) for measuring antibodies to cytomegalovirus (CMV) and herpes simplex virus (HSV) in clinical specimens. Compared with CF the specificity of FIAX (ability to detect a negative titer) was 95% for CMV and 92% for HSV. The sensit...

journal_title：American journal of clinical pathology

authors： Friedman HM,Tustin NB,Hitchings MM,Plotkin SA

更新日期：1981-09-01 00:00:00

abstract：:This is a report of an adenocarcinoma of mesonephric origin studied by light microscopy, electron microscopy, and immunocytochemistry. Unlike previous reports, our lesion was located paravaginally and not in the leaves of the broad ligament or in the cervix. The light microscopic features are similar to those of previ...

journal_title：American journal of clinical pathology

authors： Hinchey WW,Silva EG,Guarda LA,Ordonez NG,Wharton JT

更新日期：1983-10-01 00:00:00

abstract：:Examination of urinary sediment has been recommended as a useful diagnostic aid for renal amyloidosis. This procedure was evaluated in the cases of 57 patients, including 11 with proven renal amyloidosis and 13 considered very likely to have the disease. At least three types of urinary fibrillar material were observed...

journal_title：American journal of clinical pathology

authors： Winer RL,Wuerker RB,Erickson JO,Cooper WL

更新日期：1979-01-01 00:00:00

abstract：:A patient with an acute burn was noticed to have spuriously elevated platelet counts on an automated system. The major factor accounting for this discrepancy was the presence of numerous microspherocytes which were in the same size range of platelets. It is thus important to add microspherocytosis as an additional cau...

journal_title：American journal of clinical pathology

authors： Akwari AM,Ross DW,Stass SA

更新日期：1982-02-01 00:00:00

abstract：:We studied the magnitude, significance, and origin of an analytic bias that emerged between our point-of-care (POC) and our central laboratory (CL) methods for the measurement of hemoglobin A1c (HbA1c) and evaluated the analytic accuracy of 7 commonly used HbA1c methods relative to the National Glycohemoglobin Standar...

journal_title：American journal of clinical pathology

authors： Holmes EW,Erşahin C,Augustine GJ,Charnogursky GA,Gryzbac M,Murrell JV,McKenna KM,Nabhan F,Kahn SE

更新日期：2008-04-01 00:00:00

abstract：:The evaluation of quality control (QC) practices from the College of American Pathologists (CAP) Microbiology Surveys demonstrates a trend away from daily controls similar to that first noted in 1980. Previous recommendations for more relevant cost-containment oriented weekly QC procedures are discussed, and the 1982 ...

journal_title：American journal of clinical pathology

authors： Jones RN,Edson DC,Gilmore BF

更新日期：1983-10-01 00:00:00

abstract：:"Chondroid chordoma" is a controversial and confusing entity that was originally described by Heffelfinger and colleagues as a biphasic malignant neoplasm possessing elements of both chordoma and cartilaginous tissue. Because the premise for this distinction was based strictly on histomorphologic criteria, the light m...

journal_title：American journal of clinical pathology

authors： Jeffrey PB,Biava CG,Davis RL

更新日期：1995-03-01 00:00:00

abstract：:The authors report on the cytologic features of six cases of poorly differentiated "insular" carcinoma (IC) of the thyroid, a recently described variety of thyroid tumor intermediate between well-differentiated and anaplastic neoplasms. It is characterized by trabecular and/or alveolar growth patterns, merging with fo...

journal_title：American journal of clinical pathology

authors： Pietribiasi F,Sapino A,Papotti M,Bussolati G

更新日期：1990-12-01 00:00:00

abstract：:Urine myoglobin concentrations are measured clinically to assess rhabdomyolysis and the related risk of renal damage. We studied urine myoglobin concentrations in vitro to explore the factors affecting stability. Myoglobin was very unstable in urine specimens, especially below pH 6.5, and its immunoreactivity deterior...

journal_title：American journal of clinical pathology

authors： Chen-Levy Z,Wener MH,Toivola B,Daum P,Reyes M,Fine JS

更新日期：2005-03-01 00:00:00

abstract：:Statin is a 57 kDa nuclear protein exclusively found in noncycling cells. Its expression in hematolymphoid cells had not been examined previously. The authors studied statin immunoreactivity in nonneoplastic lymphoid tissues from 26 lymph nodes, 3 tonsils, and 2 spleens. Statin was detected primarily in small lymphoid...

journal_title：American journal of clinical pathology

authors： Trudel MA,Oligny L,Caplan S,Caplan C,Schipper HM,Wang E

更新日期：1994-04-01 00:00:00

abstract：:Thrombocytosis may reflect a primary myeloproliferative disorder or be a secondary reaction to other pathologic processes. Patients with persistent unexplained thrombocytosis meeting criteria of primary thrombocythemia had elevated levels of serum lactic dehydrogenase, whereas comparable patients with secondary thromb...

journal_title：American journal of clinical pathology

authors： Budman DR,Lackner H,Berczeller P,Silber R

更新日期：1981-06-01 00:00:00

abstract：OBJECTIVES:Overuse of laboratory tests is a persistent issue. We examined the use and overuse of serum immunofixation electrophoresis and serum free light chain assays to develop an algorithm for optimizing utilization. METHODS:A retrospective review of all tests, for investigation of monoclonal gammopathies, for all ...

journal_title：American journal of clinical pathology

authors： Heaton C,Vyas SG,Singh G

更新日期：2016-04-01 00:00:00

abstract：:Diarrheal diseases caused by bacterial pathogens are important causes of morbidity in the United States, and considerable laboratory resources are spent to detect these enteric pathogens. This article reviews recent developments in the detection and identification of Campylobacter spp, enterohemorrhagic Escherichia co...

journal_title：American journal of clinical pathology

authors： Nolte FS

更新日期：1994-04-01 00:00:00