abstract：:Our objective was to assess the loss of E-cadherin (EC) as a diagnostic marker or a predictor of prognosis. We stained 276 breast carcinomas with monoclonal antibodies to EC (invasive lobular carcinomas [ILC] and variants, 59; invasive ductal carcinoma and ductal special types [IDC], 204; tubulolobular carcinoma [TLC]...

journal_title：American journal of clinical pathology

authors： Qureshi HS,Linden MD,Divine G,Raju UB

更新日期：2006-03-01 00:00:00

abstract：:Anti-glomerular basement membrane (anti-GBM) glomerulonephritis is a rare disease caused by IgG autoantibodies against the glomerular basement membrane. We describe clinical and pathologic findings in a series of renal biopsy specimens from 80 patients. The patients ranged in age from 16 to 87 years. The age distribut...

journal_title：American journal of clinical pathology

authors： Fischer EG,Lager DJ

更新日期：2006-03-01 00:00:00

abstract：:Same-day turnaround of pathology specimens is desirable in this era of managed care, and rapid microwave tissue processing produces histologic features of a quality equivalent to overnight processing. We studied whether microwave-assisted rapid tissue processing adversely affects the quality of immunohistochemical sta...

journal_title：American journal of clinical pathology

authors： Emerson LL,Tripp SR,Baird BC,Layfield LJ,Rohr LR

更新日期：2006-02-01 00:00:00

abstract：:To determine the diagnostic significance of the kappa/lambda ratio in germinal center (GC) B cells in Hashimoto thyroiditis (HT), we used 4-color flow cytometry to immunophenotype 27 samples (21 patients) of well-characterized HT B-cell clonality was analyzed further by polymerase chain reaction (PCR) of the immunoglo...

journal_title：American journal of clinical pathology

authors： Chen HI,Akpolat I,Mody DR,Lopez-Terrada D,De Leon AP,Luo Y,Jorgensen J,Schwartz MR,Chang CC

更新日期：2006-01-01 00:00:00

abstract：:Loss of intercellular adhesion facilitates tumor invasion. To clarify the relation between altered expression of cell adhesion molecules and progression of T1 superficial bladder tumors, 101 cases (71 T1 tumors, 30 T2/T3 tumors) were examined immunohistochemically for E-cadherin and alpha-, beta-, and gamma-catenins. ...

journal_title：American journal of clinical pathology

authors： Clairotte A,Lascombe I,Fauconnet S,Mauny F,Félix S,Algros MP,Bittard H,Kantelip B

更新日期：2006-01-01 00:00:00

abstract：:Squamous cell carcinoma (SCC) is by far the most common malignancy of the upper aerodigestive tract. Most conventional-type SCCs do not present the surgical pathologist with diagnostic difficulty. Certain variants, however, can histologically mimic benign and other malignant diseases. In such cases, correct diagnosis ...

journal_title：American journal of clinical pathology

authors： Stelow EB,Mills SE

更新日期：2005-12-01 00:00:00

abstract：:We compared prothrombin times (PTs) and international normalized ratios (INRs) for blood samples drawn into plastic vs glass collection tubes. We collected 60 venous blood samples into 4.5-mL glass and 2 plastic tubes (2.7 and 3.5 mL). An additional 153 samples, including 63 from warfarin-anticoagulated patients, were...

journal_title：American journal of clinical pathology

authors： Fiebig EW,Etzell JE,Ng VL

更新日期：2005-12-01 00:00:00

abstract：:Poor core laboratory performance that causes delays in diagnosis and treatment is an impediment to optimal patient care, particularly in high-volume patient care areas such as the emergency department (ED). To evaluate the impact of laboratory performance on patient care outcomes, we obtained data from 11 hospitals re...

journal_title：American journal of clinical pathology

authors： Holland LL,Smith LL,Blick KE

更新日期：2005-11-01 00:00:00

abstract：:The quality management program in the Division of Transfusion Medicine at our institution had evolved to the point that the program generally was perceived to be the sole responsibility of our Quality Unit (which was administratively independent of day-to-day operations). It became clear that this administrative model...

journal_title：American journal of clinical pathology

authors： Foss ML,Moore SB

更新日期：2005-10-01 00:00:00

abstract：:Elevated T-cell leukemia-1 (TCL1) oncoprotein expression might promote human Burkitt lymphoma (BL) because increased TCL1 causes Burkitt-like lymphomas in TCL1 transgenic mice. Epstein-Barr virus (EBV) infection has been implicated as a cause of increased TCL1 expression in multiple BL cell lines, suggesting a critica...

journal_title：American journal of clinical pathology

authors： Teitell MA,Lones MA,Perkins SL,Sanger WG,Cairo MS,Said JW

更新日期：2005-10-01 00:00:00

abstract：:We retrospectively reviewed the immunophenotypic profile of 75 cases of lymphoplasmacytic lymphoma/Waldenström macroglobulinemia (LPL/WM) analyzed by flow cytometry. All patients had monoclonal IgM (median, 2,100 mg/dL [21 g/L]) in serum and were considered clinically to have WM. The neoplastic cells, in all cases, ex...

journal_title：American journal of clinical pathology

authors： Konoplev S,Medeiros LJ,Bueso-Ramos CE,Jorgensen JL,Lin P

更新日期：2005-09-01 00:00:00

abstract：:B5 fixation achieves superior morphologic detail. However, environmental concerns have led to labor-intensive and costly requirements for disposal of mercury-containing fixatives. We performed a blinded prospective study to find a safe, mercury-free alternative to B5. Morphology was evaluated with 6 fixatives, includi...

journal_title：American journal of clinical pathology

authors： Bonds LA,Barnes P,Foucar K,Sever CE

更新日期：2005-08-01 00:00:00

abstract：:Fluorescence in situ hybridization (FISH) and immunohistochemical analysis for assessment of HER-2 status in breast carcinomas are discordant in a significant proportion of cases with equivocal (2+) immunostaining. To evaluate the role of intratumoral heterogeneity and degree of amplification, we performed additional ...

journal_title：American journal of clinical pathology

authors： Lewis JT,Ketterling RP,Halling KC,Reynolds C,Jenkins RB,Visscher DW

更新日期：2005-08-01 00:00:00

abstract：:We conducted this study to ascertain the prevalence of erb-b2 gene amplification in breast cancer specimens read as 2+ in immunohistochemical analysis. Slides from patients with metastatic or recurrent breast cancer were eligible for fluorescent in situ hybridization (FISH) study if they were read as 2+ immunohistoche...

journal_title：American journal of clinical pathology

authors： Lan C,Liu JM,Liu TW,Hsu DH,Liang S,Chen JR,Peng JW

更新日期：2005-07-01 00:00:00

abstract：:Immunophenotypic analysis is useful in distinguishing reactive from neoplastic lymphoproliferations, particularly when tissue is limited or histologic findings are equivocal. Surface membrane immunoglobulin (SmIg) light chain restriction in B cells is especially helpful in documenting clonality, and the loss of SmIg b...

journal_title：American journal of clinical pathology

authors： Zhao XF,Cherian S,Sargent R,Seethala R,Bonner H,Greenberg B,Bagg A

更新日期：2005-07-01 00:00:00

abstract：:Considerable progress has been achieved in our knowledge of the function of the chemokine system and in understanding its role in the pathophysiology of human diseases. This complex system, presently including approximately 50 cytokines and 20 receptors, coordinates leukocyte recruitment in a variety of human diseases...

journal_title：American journal of clinical pathology

authors： Locati M,Bonecchi R,Corsi MM

更新日期：2005-06-01 00:00:00

abstract：:To establish the effect of a quality control failure on the performance of the LCx-GC nucleic-acid amplification assay for Neisseria gonorrhoeae (Abbott Laboratories, Abbott Park, IL) in the field, we conducted a retrospective analysis comparing the clinical and analytic performance of the recalled lots with those not...

journal_title：American journal of clinical pathology

authors： Skeate RC,Wahi MM,Hanson KL,Cartwright CP

更新日期：2005-06-01 00:00:00

abstract：:There are wide variations in the preparation of histologic sections from endoscopic esophageal biopsy specimens. We evaluated serial step sections from 261 esophageal or gastroesophageal junction biopsies at 4 levels to determine the first level at which goblet cell metaplasia (GCM) was detected. Deeper step sections ...

journal_title：American journal of clinical pathology

authors： Chitkara YK,Eyre CL

更新日期：2005-06-01 00:00:00

abstract：:This article deals with and formalizes 2 notions common to the practice of pathology. The first is that the number of lymph nodes found positive for metastasis relates directly to the total number of lymph nodes examined. The second is that for any patient, there is a chance that the absence of lymph node metastases i...

journal_title：American journal of clinical pathology

authors： Vollmer RT

更新日期：2005-05-01 00:00:00

abstract：:We aimed to establish whether morphologic parameters were prognostically important in a large series of breast phyllodes tumors in Asian women. Of 335 phyllodes tumors diagnosed at the Department of Pathology, Singapore General Hospital, Singapore, between January 1992 and December 2002, 250 (74.6%) were benign, 54 (1...

journal_title：American journal of clinical pathology

authors： Tan PH,Jayabaskar T,Chuah KL,Lee HY,Tan Y,Hilmy M,Hung H,Selvarajan S,Bay BH

更新日期：2005-04-01 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

authors： Lazarus R,Junttila OE,Karttunen TJ,Mäkinen MJ

更新日期：2005-03-01 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：:Patients using anticoagulation point-of-care (POC) monitors are advised to periodically test these systems against laboratory methods to monitor performance. The international normalized ratio (INR), however, can vary between test systems owing to different instrument-reagent combinations. In a randomized study evalua...

journal_title：American journal of clinical pathology

authors： Sunderji R,Gin K,Shalansky K,Carter C,Chambers K,Davies C,Schwartz L,Fung A

更新日期：2005-02-01 00:00:00

abstract：:We evaluated a more efficient method of processing liquid-based cervical cytology specimens for human papillomavirus (HPV) DNA testing by Hybrid Capture II (HCII). Aliquots were made from 701 specimens in the following sequence: 4.0, 2.0, 1.0, 0.5, and 1.5 mL. The 4.0-mL aliquot was processed by the standard method (S...

journal_title：American journal of clinical pathology

authors： Castle PE,Garcia-Meijide M,Holladay EB,Chuke R,Payne J,Long A,Siefers H,Demuth F,Lorincz AT

更新日期：2005-02-01 00:00:00

abstract：:We studied 68 sporadic colorectal carcinomas (CRCs) with medullary features (MCRCs) and compared them with 35 poorly differentiated purely "enteric" CRCs (ECRCs) and 15 purely neuroendocrine carcinomas (NECs) of grades II and III, all in patients lacking a family history of CRC. Potential clinicopathologic differences...

journal_title：American journal of clinical pathology

authors： Wick MR,Vitsky JL,Ritter JH,Swanson PE,Mills SE

更新日期：2005-01-01 00:00:00

abstract：:We studied the role of ischemia-modified albumin (IMA) with standard biomarkers (myoglobin, creatine kinase-MB [CK-MB], troponin I [TnI]) in assessment of 200 patients with suspected myocardial ischemia admitted to the emergency department. Every case was reviewed by a cardiologist. A clinical diagnosis of ischemia wa...

journal_title：American journal of clinical pathology

authors： Anwaruddin S,Januzzi JL Jr,Baggish AL,Lewandrowski EL,Lewandrowski KB

更新日期：2005-01-01 00:00:00

abstract：:A number of genetic abnormalities have been detected in multiple myeloma (MM) using cytogenetic techniques. The prominent abnormalities are deletions of 13q and translocations affecting the IgH locus on 14q32. The recurrence of chromosomal abnormalities in MM suggests a specific role for them concerning its pathogenes...

journal_title：American journal of clinical pathology

authors： Tchinda J,Volpert S,Kropff M,Berdel WE,Kienast J,Meinhardt F,Horst J

更新日期：2004-12-01 00:00:00

abstract：:Multiparameter flow cytometry with optimally selected antibody combinations has expanded the use of this technique beyond traditional applications in hematopathology. By analyzing qualitative patterns of antigen expression on discrete populations or "clusters," one can detect immunophenotypic aberrancy in specific cel...

journal_title：American journal of clinical pathology

authors： Kroft SH

更新日期：2004-12-01 00:00:00

abstract：:We studied methylation of 2 tumor suppressor genes (p14, p16) and 4 MINT (methylated in tumor) clones (MINT1, MINT2, MINT25, MINT31) among 51 fundic gland polyps (FGPs) and 27 normal gastric body biopsy samples using bisulfite treatment of genomic DNA followed by methylation-specific polymerase chain reaction. Thirty-...

journal_title：American journal of clinical pathology

authors： Abraham SC,Park SJ,Cruz-Correa M,Houlihan PS,Half EE,Lynch PM,Wu TT

更新日期：2004-11-01 00:00:00

abstract：:The aim of the present study was to determine whether micromorphometric features of positive sentinel lymph nodes (SLNs) from patients with melanoma are useful for predicting further nodal involvement in completion lymph node dissection (CLND) specimens. Of 986 patients with melanoma undergoing SLN biopsy between Marc...

journal_title：American journal of clinical pathology

authors： Scolyer RA,Li LX,McCarthy SW,Shaw HM,Stretch JR,Sharma R,Thompson JF

更新日期：2004-10-01 00:00:00

abstract：:Oxidant-antioxidant balance is known to regulate growth factors and invasion of tumor cells. Manganese superoxide dismutase (MnSOD), copper zinc SOD (CuZnSOD), and extracellular SOD (ECSOD), the first-line antioxidant defenses, were studied in lung carcinomas by immunohistochemical analysis (n = 139, 56, and 37, respe...

journal_title：American journal of clinical pathology

authors： Svensk AM,Soini Y,Pääkkö P,Hiravikoski P,Kinnula VL

更新日期：2004-09-01 00:00:00

abstract：:We describe 13 cases in which the submucosa and muscularis mucosae of the gastrointestinal tract exhibited a focal or diffuse increase of elastin fibers. This elastosis or elastofibromatous change most commonly manifested as a colonic polyp and usually was found during screening colonoscopy. Gastric and small intestin...

journal_title：American journal of clinical pathology

authors： Hobbs CM,Burch DM,Sobin LH

更新日期：2004-08-01 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：: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：:Riedel thyroiditis (RT) is an uncommon form of chronic thyroiditis in which the thyroid gland is replaced by fibrous tissue. The etiologic mechanisms underlying RT are unclear: the prevailing view is that it is part of a generalized fibroinflammatory process also involving other organs. The clinical manifestations of ...

journal_title：American journal of clinical pathology

authors： Papi G,LiVolsi VA

更新日期：2004-06-01 00:00:00

abstract：:Reducing the rate of avoidable errors is crucial to patient safety. Telephone calls with misunderstood critical results constitute one area in which opportunities for improvement exist. The aviation industry has dealt with this issue by requiring pilots to repeat instructions received from the air traffic controller. ...

journal_title：American journal of clinical pathology

authors： Barenfanger J,Sautter RL,Lang DL,Collins SM,Hacek DM,Peterson LR

更新日期：2004-06-01 00:00:00

abstract：:In the differential diagnosis of Spitz nevus vs malignant melanoma, patient age provides a critical piece of clinical information, because Spitz nevi occur mostly in children and melanomas occur mostly in adults. Nevertheless, there is overlap in the age distributions of Spitz nevus and melanoma. The issue to consider...

journal_title：American journal of clinical pathology

authors： Vollmer RT

更新日期：2004-06-01 00:00:00

abstract：:Non-Hodgkin lymphoma (NHL) is more likely to develop in patients with Hodgkin disease (HD) than in the general population. Although reports of synchronous or metachronous HD and NHL are not uncommon in the literature, the biologic relationship of these 2 malignant neoplasms often is unclear. A larger-than-expected fra...

journal_title：American journal of clinical pathology

authors： Brown JR,Weng AP,Freedman AS

更新日期：2004-05-01 00:00:00

abstract：:To verify their clinical usefulness in diagnosis and early response to therapy of sideropenic anemia, we compared the behavior of the reticulocyte parameter (RET-Y), a raw measure dependent on size and content of the cell, generated by the Sysmex XE 2100, with the mean reticulocyte volume (MCVr) and mean reticulocyte ...

journal_title：American journal of clinical pathology

authors： Buttarello M,Temporin V,Ceravolo R,Farina G,Bulian P

更新日期：2004-04-01 00:00:00

abstract：:Previous reports have indicated that patients with severe acute respiratory syndrome (SARS)-associated coronavirus infection could develop atypical pneumonia with fulminant pulmonary edema. However, the target cells of SARS viral infection have not been characterized in detail. We report the pathologic findings of the...

journal_title：American journal of clinical pathology

authors： Chow KC,Hsiao CH,Lin TY,Chen CL,Chiou SH

更新日期：2004-04-01 00:00:00