Immunophenotypic analysis of hematologic malignancy by laser scanning cytometry.

abstract：:The authors have examined the sensitivity and detection efficiency of the three peroxidase methods that currently have the widest application in diagnostic immunohistochemistry: the peroxidase-antiperoxidase (PAP), the avidin-biotin complex (ABC), and the labeled avidin-biotin (LAB) methods. Sensitivity was evaluated ...

journal_title：American journal of clinical pathology

authors： Elias JM,Margiotta M,Gaborc D

更新日期：1989-07-01 00:00:00

abstract：:The reliability of "standard" plasmas used by clinical laboratories to assay factor VIII concentrations of patients' plasmas was studied by assessing the credibility of their reference values. Two of three commercial reference plasmas were considered to be unreliable. The third commercial reference plasma appeared to ...

journal_title：American journal of clinical pathology

authors： Harper TA,Bailey EL,Chauhan K

更新日期：1981-02-01 00:00:00

abstract：OBJECTIVES:Timely reporting of immunosuppressant (ISP) drug level results is needed for transplant patient management. This study characterized the local ISP testing process, identified bottlenecks and implemented process improvements to meet turnaround time requirements. METHODS:Laboratory information time stamps, di...

journal_title：American journal of clinical pathology

authors： Barakauskas VE,Bradshaw TA,Smith LD,Lehman CM,Johnson-Davis KL

更新日期：2016-08-01 00:00:00

abstract：OBJECTIVES:Nucleic acid amplification tests on formalin-fixed, paraffin-embedded (FFPE) tissue specimens enable Mycobacterium tuberculosis complex (MTB) detection and rapid tuberculosis diagnosis in the absence of microbiologic culture tests. We aimed to evaluate the efficacy of different polymerase chain reaction (PCR...

journal_title：American journal of clinical pathology

authors： Seo AN,Park HJ,Lee HS,Park JO,Chang HE,Nam KH,Choe G,Park KU

更新日期：2014-09-01 00:00:00

abstract：:Clq precipitins were assayed in a model system by absorption nephelometry. Polyethylene glycol was used to extract immune complexes so that sufficient sensitivity with minimal interference could be achieved. Using a double beam spectrophotometer, we found that the reaction of immune complexes with Clq occurred rapidly...

journal_title：American journal of clinical pathology

authors： Levinson SS,Goldman J

更新日期：1983-04-01 00:00:00

abstract：OBJECTIVES:To evaluate the clinical utility of and demand for the creatine kinase (CK)-MB assay. METHODS:We examined the number of CK-MB tests from 2007 through 2013 while we progressively deemphasized their use. We first removed CK-MB from the acute coronary syndrome (ACS) panel and then from the main menu and observ...

journal_title：American journal of clinical pathology

authors： Singh G,Baweja PS

更新日期：2014-03-01 00:00:00

abstract：:Three cases of infantile hemangioendothelioma were immunohistochemically studied with the use of antibodies against von Willebrand factor (vWF), Ulex europaeus I lectin (UEA I), vimentin, thrombomodulin (TM), and actin, as endothelial cell (EC) markers. Because of a broad variety of histologic features, the growth pat...

journal_title：American journal of clinical pathology

authors： Yasunaga C,Sueishi K,Ohgami H,Suita S,Kawanami T

更新日期：1989-06-01 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：:The Auto Microbic System (AMS) is an almost completely automated system, capable of identifying Enterobacteriaceae after 8 hours, and some glucose nonfermenters after 13 hours of incubation. The Autobac ID system is a mechanized, computer-assisted system capable of identifying Enterobacteriaceae and many nonfermentati...

journal_title：American journal of clinical pathology

authors： Barry AL,Gavan TL,Badal RE,Telenson MJ

更新日期：1982-10-01 00:00:00

abstract：:The role of fine-needle aspiration (FNA) in the diagnosis of breast carcinoma is established. We evaluated whether the degree of cellular dyscohesion and the nuclear grade in FNA material of breast carcinomas are reliable prognostic predictors for ipsilateral axillary lymph node metastasis. FNA specimens from 98 women...

journal_title：American journal of clinical pathology

authors： Schiller AB,Tadros TS,Birdsong GG,Grossl NA

更新日期：2001-02-01 00:00:00

abstract：:Bone marrow biopsy specimens taken on initial investigation of 134 patients with hairy cell leukemia (HCL) were processed into plastic, and sections cut at 3 microns were used for histologic and histomorphometric evaluation. Twenty-four clinical, 10 histologic, and four histomorphometric variables were tested for thei...

journal_title：American journal of clinical pathology

authors： Bartl R,Frisch B,Hill W,Burkhardt R,Sommerfeld W,Sund M

更新日期：1983-05-01 00:00:00

abstract：:Protease inhibitor serpin-B2 (plasminogen activator inhibitor-2 [PAI-2]) protects pRb from degradation in human papillomavirus (HPV)-18+ HeLa cells. Our objective was to assess whether the pRb-mediated HPV-suppressive effect of PAI-2 in cancer cell lines has implications in the outcome of HPV infections. Cervical biop...

journal_title：American journal of clinical pathology

authors： Syrjänen S,Naud P,Sarian L,Derchain S,Roteli-Martins C,Longatto-Filho A,Tatti S,Branca M,Erzen M,Hammes LS,Costa S,Syrjänen K

更新日期：2009-12-01 00:00:00

abstract：OBJECTIVES:To examine laser microdissection and mass spectrometry (LMD-MS), which has emerged as a new tool to aid in typing amyloid proteins. RESULTS:ALECT-2 is a potential cause of hepatic amyloidosis best detected by LMD-MS. METHODS:One of the more recently reported proteins is ALECT-2 (leukocyte cell-derived chem...

journal_title：American journal of clinical pathology

authors： Damlaj M,Amre R,Wong P,How J

更新日期：2014-02-01 00:00:00

abstract：:The performance characteristics of the XE-2100 (Sysmex, Kobe, Japan) automated immature granulocyte (IG) count were studied. The automated IG count was compared with the manual morphology count and with a proposed reference flow cytometric count. The comparison data were analyzed by both least-squares and Passing-Babl...

journal_title：American journal of clinical pathology

authors： Fernandes B,Hamaguchi Y

更新日期：2007-09-01 00:00:00

abstract：:The authors report the clinicopathologic features of 14 cases of amyloid goiter (AG). Eleven patients were males and three females with ages ranging from 23 to 75 years (median, 54 years). Eight patients had secondary amyloidosis and six had primary amyloidosis. Nine cases were identified at autopsy. In symptomatic pa...

journal_title：American journal of clinical pathology

authors： Hamed G,Heffess CS,Shmookler BM,Wenig BM

更新日期：1995-09-01 00:00:00

abstract：:Human serum contains 2 isoforms of type-5 tartrate-resistant acid phosphatase (TRACP): 5a and 5b. TRACP-5b is osteoclastic. Our goal was to determine if serum TRACP-5a could originate from inflammatory macrophages (MPhi). We stained 246 paraffin-embedded tissue samples for TRACP using monoclonal antibody 9C5 (mab9C5) ...

journal_title：American journal of clinical pathology

authors： Janckila AJ,Slone SP,Lear SC,Martin A,Yam LT

更新日期：2007-04-01 00:00:00

abstract：:Neutrophil function was determined in resting and phagocytic cells by an assay of hexose monophosphate shunt activity performed on small volumes of whole blood. This new micromethod clearly differentiated between zymosan-stimulated and unstimulated hexose monophosphate shunt activity. Furthermore, the whole blood micr...

journal_title：American journal of clinical pathology

authors： King JW,McCall CE

更新日期：1980-07-01 00:00:00

abstract：:Immunohistochemical (IHC) assays using the monoclonal antibodies (MoAbs) B72.3 and B6.2, recognizing two distinct and independently expressed breast tumor-associated antigens (BTAAs), recently have been shown to significantly improve the accuracy of cytodiagnosis of breast nodules by fine-needle aspiration (FNA). To e...

journal_title：American journal of clinical pathology

authors： Mottolese M,Bigotti G,Coli A,Vitucci C,Natali PG

更新日期：1991-08-01 00:00:00

abstract：:A case of metastatic squamous cell carcinoma to bone was studied using immunoperoxidase methods for Factor VIII-related antigen, producing positive staining in the tumor cells. Electron microscopy proved the squamous nature of the tumor, and, subsequently, a pulmonary primary tumor was found. Testing of additional tum...

journal_title：American journal of clinical pathology

authors： Wilson AJ

更新日期：1984-01-01 00:00:00

abstract：:The characteristics of the normal adult thymus in both sexes were determined in 50 cases of accidental death by a simplified quantitative histologic technic. A table of normal values derived from these findings was used for making comparisons with thymus from autopsies of 50 additional patients suffering terminal illn...

journal_title：American journal of clinical pathology

authors： Smith SM,Ossa-Gomez LJ

更新日期：1981-11-01 00:00:00

abstract：OBJECTIVES:Ancillary molecular testing on tissue is available for mycobacterial disease; however, judicious use of highly sensitive tests, such as polymerase chain reaction (PCR) and sequencing, should be guided by histologic parameters. We sought to investigate the utility of performing acid-fast stains (AFS) on skin ...

journal_title：American journal of clinical pathology

authors： Laga AC,Milner DA Jr,Granter SR

更新日期：2014-04-01 00:00:00

abstract：:A case of signet ring cell lymphoma, a rare variant of follicular center cell lymphoma, is presented with a review of 20 other such lymphomas previously reported in the English literature. The histologic, immunocytologic, and electron microscopic features are described with speculation as to the possible relationship ...

journal_title：American journal of clinical pathology

authors： Silberman S,Fresco R,Steinecker PH

更新日期：1984-03-01 00:00:00

abstract：:The demonstration of tartrate-resistant acid phosphatase (TRAP) activity has long been a cornerstone in the diagnosis of hairy cell leukemia (HCL). Recently a monoclonal antibody to this enzyme has been developed that can be used in an immunoperoxidase method on paraffin-embedded tissues. By using a peroxidase-labeled...

journal_title：American journal of clinical pathology

authors： Hoyer JD,Li CY,Yam LT,Hanson CA,Kurtin PJ

更新日期：1997-09-01 00:00:00

abstract：OBJECTIVES:Solid tumor metastases to the pancreas are rare, and only limited literature on the topic is available. In this retrospective study, we reviewed 107 cases of solid tumor metastases to the pancreas diagnosed by fine-needle aspiration (FNA) from 2005 to 2019. METHODS:Information including the patients' clinic...

journal_title：American journal of clinical pathology

authors： Hou T,Stewart JM,Lee JH,Gan Q

更新日期：2020-10-13 00:00:00

abstract：:A primary hepatic tumor with histologic features suggestive of carcinoid tumor is reported, and six previously reported cases reviewed. Tumor cells contained electron dense secretory granules with an average diameter 150-200 nm which demonstrated positive argyrophilic reactions. On immunohistochemistry, chromogranin A...

journal_title：American journal of clinical pathology

authors： Miura K,Shirasawa H

更新日期：1988-04-01 00:00:00

abstract：:Several monoclonal antibodies (MoAbs) are now available for immunophenotyping non-Hodgkin's lymphomas (NHLs) in paraffin-embedded tissue sections. To determine the reliability of these reagents in predicting the genotype, 44 cases of NHL were studied with the alkaline phosphatase-anti-alkaline phosphatase technique wi...

journal_title：American journal of clinical pathology

authors： Elghetany MT,Kurec AS,Schuehler K,Forbes BA,Duggan DB,Davey FR

更新日期：1991-04-01 00:00:00

abstract：:Because of the demonstrated efficacy of Leu-M1 as a discriminant between malignant epithelioid mesothelioma (MEM) and adenocarcinomas involving the serosal surfaces (ACSs), the authors assessed the reactivities of related "myelomonocytic" antigens in this context. Paraffin sections from 41 MEMs and 43 ACSs (pulmonary,...

journal_title：American journal of clinical pathology

authors： Wick MR,Mills SE,Swanson PE

更新日期：1990-07-01 00:00:00

abstract：:Using microscopic screening criteria employed in the study of sputum in acute bacterial pneumonia, the authors evaluated 644 sputum samples from 347 patients submitted for mycobacterial bacterial culture. After microscopic examination, these specimens were processed using standard mycobacterial laboratory technics. Sa...

journal_title：American journal of clinical pathology

authors： Isaac-Renton JL,Puselja BB,Allen EA,Grzybowski S,Black WA

更新日期：1985-09-01 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：: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