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 using 3-color flow cytometry, we analyzed 117 cases (bone marrow, 71; blood, 31; lymph nodes, 15) for coexpression of aberrant markers with CD19. Marker expression was considered positive when present on at least 20% of CD19+ cells. Of 117 cases, 40 (34.2%) showed expression of 1 or more aberrant markers. Expression of 4 aberrant markers was seen in 1 case, 3 in 4 cases, 2 in 15 cases, and 1 in 20 cases. Kaplan-Meier survival curves and the log-rank test revealed that the group with aberrant markers showed significantly shortened overall survival compared with the group without aberrant markers (P < .001). There is considerable phenotypic heterogeneity in CLL/SLL, and expression of aberrant markers indicates aggressiveness.
journal_name
Am J Clin Patholjournal_title
American journal of clinical pathologyauthors
Kampalath B,Barcos MP,Stewart Cdoi
10.1309/4AGU-T3LK-EURD-7T7Ksubject
Has Abstractpub_date
2003-06-01 00:00:00pages
824-32issue
6eissn
0002-9173issn
1943-7722journal_volume
119pub_type
杂志文章abstract::We sought to determine whether a group of cases that was relatively high in disagreements and subsequent amendments could be identified and targeted for blinded review. During a 4-year period, 8,916 surgical pathology and nongynecologic cytology cases were subjected to blinded review; of these, there were 616 disagree...
journal_title:American journal of clinical pathology
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abstract::Borrelia burgdorferi is difficult to detect in routine biopsy material from patients with skin lesions of borreliosis. In this study, a new immunohistochemical method, focus floating microscopy (FFM), was developed to detect B burgdorferi in tissue sections and was compared with polymerase chain reaction (PCR). By usi...
journal_title:American journal of clinical pathology
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journal_title:American journal of clinical pathology
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abstract::Although red blood cell (RBC) antigen typing by agglutination is generally useful, several situations exist where this approach is difficult or impossible. For example, following a massive transfusion, a patient's residual RBCs are mixed with transfused normal donor RBCs. In this case, typing by hemagglutination prima...
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journal_title:American journal of clinical pathology
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更新日期:1977-02-01 00:00:00
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journal_title:American journal of clinical pathology
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更新日期:1979-12-01 00:00:00
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更新日期:2005-07-01 00:00:00
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journal_title:American journal of clinical pathology
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更新日期:1985-01-01 00:00:00
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journal_title:American journal of clinical pathology
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doi:10.1309/AJCPVUJMCVBC9PKM
更新日期:2015-05-01 00:00:00
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journal_title:American journal of clinical pathology
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更新日期:2016-10-01 00:00:00
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更新日期:1993-06-01 00:00:00
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journal_title:American journal of clinical pathology
pub_type: 杂志文章,评审
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更新日期:2005-12-01 00:00:00
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doi:10.1093/ajcp/aqaa200
更新日期:2020-10-09 00:00:00
abstract::The defined antigen substrate sphere system is a simple method for detecting antigen or antibody in the circulation. The technic is based on the coupling of antigen or antibody with Sepharose 4B beads that have been activated by cyanogen bromide. In this study the activated beads were exposed to dengue antigen in the ...
journal_title:American journal of clinical pathology
pub_type: 杂志文章
doi:10.1093/ajcp/70.3.343
更新日期:1978-09-01 00:00:00
abstract::A multiplex polymerase chain reaction (PCR) assay using oligonucleotide primers to detect mecA and 16S ribosomal RNA gene was developed to aid in identification of methicillin-resistant staphylococci. Validation included 99 isolates of staphylococcus grouped into one of five categories: methicillin-susceptible coagula...
journal_title:American journal of clinical pathology
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doi:10.1093/ajcp/107.3.368
更新日期:1997-03-01 00:00:00
abstract::The JAK2(V617F)mutation is recurrent in polycythemia vera and essential thrombocythemia, which are myeloproliferative neoplasms frequently associated with arterial and venous thromboembolism. It has also been reported as a marker for occult myeloproliferative disorder (MPD) in patients with splanchnic venous thrombosi...
journal_title:American journal of clinical pathology
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journal_title:American journal of clinical pathology
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journal_title:American journal of clinical pathology
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更新日期:2017-06-01 00:00:00
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journal_title:American journal of clinical pathology
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更新日期:1978-09-01 00:00:00
abstract::Serrated adenomas are the precursors of at least 5.8% of colorectal cancers; otherwise little is known of their clinical significance in comparison with conventional adenomas and hyperplastic polyps. We compared the risk of metachronous lesions in colorectal serrated adenomas, conventional adenomas, and hyperplastic p...
journal_title:American journal of clinical pathology
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更新日期:2005-03-01 00:00:00
abstract::Several technics are currently being used to detect hepatitis type A antigen or its antibody. These include immunoelectronmicroscopy, immune adherence, and complement fixation. This paper describes another promising technic, a microtiter solid-phase immunoradiometric assay, in which hepatitis A antigen and antibody ar...
journal_title:American journal of clinical pathology
pub_type: 杂志文章
doi:
更新日期:1976-05-01 00:00:00
abstract::The participant performances on the College of American Pathologists (CAP) Urine Survey specimens distributed during 1979 and 1980 for pregnancy testing are reviewed. Almost all the reagent methods used by the participants performed well on the negative specimens. Prominent differences in results on the positive speci...
journal_title:American journal of clinical pathology
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doi:
更新日期:1981-10-01 00:00:00
abstract::High-volume (200 ml) platelet concentrates prepared by discontinuous-flow centrifugation, with counts as high as ca. 2.0 x 10(12)/l, were stored in either 600 ml-capacity polyvinylchloride bags or 800-ml capacity polyethylene bags. Both polyvinylchloride and polyethylene bags appeared adequate for 24-hour storage of p...
journal_title:American journal of clinical pathology
pub_type: 杂志文章
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更新日期:1980-03-01 00:00:00
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更新日期:2013-09-01 00:00:00
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更新日期:1981-04-01 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 ...
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pub_type: 杂志文章
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更新日期:1981-02-01 00:00:00