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American Journal of Clinical Pathology

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https://www.readbyqxmd.com/read/28340255/massive-gastric-juvenile-polyposis%C3%A2-a-clinicopathologic-study-using-smad4-immunohistochemistry
#1
Margaret E Lawless, Daniel L Toweill, Kim D Jewell, Dhanpat Jain, Laura Lamps, Alyssa M Krasinskas, Paul E Swanson, Melissa P Upton, Matthew M Yeh
Objectives: Juvenile polyps involving the stomach are uncommon. Massive gastric juvenile polyposis is even rarer. Methods: We describe the clinicopathologic features of nine cases of massive gastric juvenile polyposis. Results: All patients had anemia; four had hypoalbuminemia. The polyps were composed predominantly of dilated crypts lined by columnar epithelium and abundant edematous stroma with mixed inflammatory infiltrates. One patient had a poorly differentiated adenocarcinoma, arising in juvenile polyp-associated intraepithelial neoplasia...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340228/dual-immunostain-with-satb2-and-ck20-differentiates-appendiceal-mucinous-neoplasms-from-ovarian-mucinous-neoplasms
#2
Zaibo Li, Rachel Roth, Jonathan B Rock, Amy Lehman, William L Marsh, Adrian Suarez, Wendy L Frankel
Objectives: Determination of the primary site of origin for mucinous neoplasms identified in the peritoneal and/or pelvic cavities may be challenging, with major differential diagnoses including appendiceal mucinous neoplasm (AMN) and ovarian mucinous neoplasm (OMN). Special AT-rich sequence binding protein 2 (SATB2) has been shown to be highly selectively expressed in the lower gastrointestinal tract, including the appendix. Methods: We investigated the utility of a dual stain (DS) with SATB2 or caudal type homeobox 2 (CDX2) and cytokeratin 20 (CK20) or villin in distinguishing AMNs from OMNs...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340222/success-in-implementation-of-a-resident-in-service-examination-review-series
#3
Jessica A Forcucci, J Madison Hyer, Evelyn T Bruner, David N Lewin, Nicholas I Batalis
Objectives: Primary pathology board certification has been correlated with senior resident in-service examination (RISE) performance. We describe our success with an annual, month-long review series. Methods: Aggregate program RISE performance data were gathered for 3 years prior to and 3 years following initiation of the review series. In addition, mean United States Medical Licensing Examination Step 1 and 2 Clinical Knowledge scores for residents participating in each RISE examination were obtained to control for incoming knowledge and test-taking ability...
March 18, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340235/polymerase-chain-reaction-human-papillomavirus-hpv-detection-and-hpv-genotyping-in-invasive-cervical-cancers-with-prior-negative-hc2-test-results
#4
Xiang Tao, Baowen Zheng, Fufen Yin, Zhengyu Zeng, Zaibo Li, Christopher C Griffith, Bing Luo, Xiangdong Ding, Xianrong Zhou, Chengquan Zhao
Objectives: Recently, three large Chinese cohort studies showed that 7.5% to 15.5% of patients with cervical carcinoma had negative high-risk human papillomavirus (hrHPV) test results on prior cytology specimens. These studies raise the question as to whether these negative hrHPV results represent truly hrHPV-negative carcinomas or false-negative hrHPV test results due to limitations in the testing of cytology specimens. This is increasingly an important question with increasing push to use hrHPV testing alone to screen for cervical cancer...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340210/clinical-significance-of-isolated-myeloperoxidase-expression-in-pediatric-b-lymphoblastic-leukemia
#5
Matthew J Oberley, Sisi Li, Etan Orgel, Choo Phei Wee, Ashley Hagiya, Maurice R G O'Gorman
Objectives: Diagnosis of B-cell acute lymphoblastic leukemia (B-ALL) requires immunophenotypic evidence of B-lineage and absence of specific myeloid or T-lineage markers. Rare cases of otherwise typical B-ALL express myeloperoxidase (MPO) detectable by flow cytometry with an absence of other myeloid markers, but the clinical significance of this finding is not well studied. Methods: A retrospective cohort analysis of flow cytometry and clinical data was performed to investigate the clinical outcome of this specific group of patients...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340161/organizational-benchmarks-for-test-utilization-performance-an-example-based-on-positivity-rates-for-genetic-tests
#6
Joseph Rudolf, Brian R Jackson, Andrew R Wilson, Kristi J Smock, Robert L Schmidt
Objectives: Health care organizations are under increasing pressure to deliver value by improving test utilization management. Many factors, including organizational factors, could affect utilization performance. Past research has focused on the impact of specific interventions in single organizations. The impact of organizational factors is unknown. The objective of this study is to determine whether testing patterns are subject to organizational effects, ie, are utilization patterns for individual tests correlated within organizations...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340131/interobserver-variability-in-histologic-evaluation-of-liver-fibrosis-using-categorical-and-quantitative-scores
#7
Michael Pavlides, Jacqueline Birks, Eve Fryer, David Delaney, Nikita Sarania, Rajarshi Banerjee, Stefan Neubauer, Eleanor Barnes, Kenneth A Fleming, Lai Mun Wang
Objectives: The aim of the study was to investigate the interobserver agreement for categorical and quantitative scores of liver fibrosis. Methods: Sixty-five consecutive biopsy specimens from patients with mixed liver disease etiologies were assessed by three pathologists using the Ishak and nonalcoholic steatohepatitis Clinical Research Network (NASH CRN) scoring systems, and the fibrosis area (collagen proportionate area [CPA]) was estimated by visual inspection (visual-CPA)...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340123/rapid-ascent-from-zero-quality-to-international-organization-for-standardization-accreditation%C3%A2-a-case-study-of-hai-duong-preventive-medicine-center-in-vietnam-2012-2013
#8
Cuong Ngoc Duong, Kyle B Bond, Humberto Carvalho, Hien Bui Thi Thu, Thuong Nguyen, Thomas Rush
Objectives: In 2012, the Vietnam Ministry of Health sought to improve the quality of health laboratories by introducing international quality standards. Methods: Strengthening Laboratory Management Toward Accreditation (SLMTA), a year-long, structured, quality improvement curriculum (including projects and mentorship) was piloted in 12 laboratories. Progress was measured using a standardized audit tool (Stepwise Laboratory Quality Improvement Process Towards Accreditation)...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340113/gata1-is-a-sensitive-and-specific-nuclear-marker-for-erythroid-and-megakaryocytic-lineages
#9
Winston Y Lee, Olga K Weinberg, Geraldine S Pinkus
Objectives: GATA binding factor 1 (GATA1) is a transcription factor essential for erythromegakaryocytic differentiation. Given its function in lineage specification, we sought to evaluate the immunohistochemical profile of GATA1 in normal marrow and acute leukemia and assess the use of GATA1 as a specific erythromegakaryocytic immunohistochemical marker. Methods: Immunohistochemical studies for GATA1 expression were performed on bone marrow biopsy specimens to define its role in the evaluation of acute leukemia and other hematologic disorders...
March 15, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340183/crlf2-positive-b-cell-acute-lymphoblastic-leukemia-in-adult-patients-a-single-institution-experience
#10
Sergej Konoplev, Xinyan Lu, Marina Konopleva, Nitin Jain, Juan Ouyang, Maitrayee Goswami, Kathryn G Roberts, Marc Valentine, Charles G Mullighan, Carlos Bueso-Ramos, Patrick A Zweidler-McKay, Jeffrey L Jorgensen, Sa A Wang
Objectives: Cytokine receptor-like factor 2 ( CRLF2 ) rearrangement is found in approximately 50% of pediatric Ph-like B-cell acute lymphoblastic leukemia (B-ALL), and around 50% of CRLF2 + cases harbor JAK mutations. We analyzed CRLF2 expression and studied its correlation with CRLF2 rearrangement in adult patients with B-ALL. Methods: Multiparameter flow cytometry (MFC) was performed consecutively in 126 patients. Results: CRLF2 overexpression was detected in 30 (27%) patients, 28 (41%) of 69 patients with B-ALL not otherwise specified, 14 (21%) of 67 untreated patients, and 16 (27%) of 59 patients with relapsed B-ALL, with the highest among Hispanic patients (25/55, 45%)...
March 13, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340220/her2-neu-status-determination-in-breast-cancer-a-single-institutional-experience-using-a-dual-testing-approach-with-immunohistochemistry-and-fluorescence-in-situ-hybridization
#11
James P Solomon, Marie Dell'Aquila, Oluwole Fadare, Farnaz Hasteh
Objectives: According to current guidelines, either immunohistochemistry (IHC) or in situ hybridization (ISH) can be used to determine human epidermal growth factor receptor 2 (Her2/neu) status in breast carcinoma. While the guidelines explicitly delineate result interpretation, there is no consensus on the most appropriate testing algorithm. Methods: The Her2/neu statuses of 369 consecutive cases of invasive breast cancer (from 351 patients) were assessed in a dual-testing algorithm that uses both IHC and fluorescence ISH (FISH)...
March 11, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340116/platelet-transfusion-reactions-with-respect-to-transfusion-indications-a-single-center-analysis
#12
Alexander Z Feldman, Elizabeth M Staley, Lance A Williams, Huy P Pham
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340097/viral-infection-prevents-hemolytic-transfusion-reactions-following-incompatible-red-blood-cell-transfusion
#13
Harold Sullivan, Connie Arthur, Andreas Wieland, Rafi Ahmed, Sean Stowell
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340084/the-feasibility-and-implications-of-limiting-red-blood-cell-transfusions-to-units-less-than-35-days-old
#14
Tiffany Graham, Daniel B Peavey, Tammy Gray, Marisa B Marques
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340075/a-rainbow-of-extra-tubes-useful-or-wasteful-practice
#15
Robert M Humble, Scott R Davis, Hermann G Hounkponou, Matthew D Krasowski
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340074/synthetic-human-neutrophil-peptide-1-inhibits-platelet-adhesion-and-aggregation-on-von-willebrand-factor-collagen-surface-under-arterial-shear-stress-through-disulfide-bond-reduction-mechanism
#16
Jenny McDaniel, X Long Zhen
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340067/improved-accuracy-of-automated-chemistry-results-using-data-driven-repeat-testing-algorithms
#17
Anna Merrill, Dina Greene, Daniel Herman
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340055/using-a-laboratory-information-system-intervention-to-monitor-and-improve-turnaround-time-of-epidermal-growth-factor-receptor-gene-mutation-testing
#18
Lincoln Pac, Eric Q Konnick, Christina Lockwood
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340052/efficacy-of-calcium-correction-in-a-cancer-population
#19
Brittany Carroll, Shaun Richardson, Kazunori Murata, Lakshmi Ramanathan, Melissa Pessin
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28340048/the-endocrine-diagnostic-management-team-pilot-study
#20
Joseph Wiencek, Jessica Colon-Franco, Sarah Bissonnettee, Andrea Utz, Alison Woodworth
No abstract text is available yet for this article.
March 1, 2017: American Journal of Clinical Pathology
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