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Archives of Pathology & Laboratory Medicine

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https://www.readbyqxmd.com/read/28467215/a-systematic-analysis-of-discordant-diagnoses-in-digital-pathology-compared-with-light-microscopy
#1
Bethany J Williams, Philip DaCosta, Edward Goacher, Darren Treanor
CONTEXT: - Relatively little is known about the significance and potential impact of glass-digital discordances, and this is likely to be of importance when considering digital pathology adoption. OBJECTIVE: - To apply evidence-based medicine to collect and analyze reported instances of glass-digital discordance from the whole slide imaging validation literature. DESIGN: - We used our prior systematic review protocol to identify studies assessing the concordance of light microscopy and whole slide imaging between 1999 and 2015...
May 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28467214/evaluation-of-the-afirma-gene-expression-classifier-in-repeat-indeterminate-thyroid-nodules
#2
Grant Harrison, Julie Ann Sosa, Xiaoyin Jiang
CONTEXT: - Molecular testing in indeterminate thyroid nodules is a rapidly evolving field with variable reported outcomes. OBJECTIVE: - To report our experience at a tertiary thyroid referral center with the Afirma Gene Expression Classifier (Veracyte, San Francisco, California) in repeat fine-needle aspirations of thyroid nodules with a previous indeterminate cytologic result. DESIGN: - Results of cytopathology and the Afirma test were collected from August 2013 to March 2015, as were diagnoses from surgical resection when performed...
May 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28467213/interstitial-pneumonia-with-autoimmune-features-value-of-histopathology
#3
Ayodeji Adegunsoye, Justin M Oldham, Eleanor Valenzi, Cathryn Lee, Leah J Witt, Lena Chen, Steven Montner, Jonathan H Chung, Imre Noth, Rekha Vij, Mary E Strek, Aliya N Husain
CONTEXT: - Patients with idiopathic interstitial pneumonia may display evidence of autoimmunity, without meeting criteria for a defined connective tissue disease. A recent European Respiratory Society/American Thoracic Society statement proposed research criteria for interstitial pneumonia with autoimmune features (IPAF), which includes findings from the clinical, serologic, and morphologic domains. OBJECTIVES: - To investigate the importance of histopathologic criteria within the morphologic domain and to report our methodology for identifying these features...
May 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28467212/the-future-of-college-of-american-pathologists-cancer-protocols-maintaining-a-commitment-to-patient-safety-while-improving-the-user-experience
#4
Raouf E Nakhleh, Patrick L Fitzgibbons, Mary Kay Washington, Thomas P Baker, Michael A Berman, Philip T Cagle
No abstract text is available yet for this article.
May 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28467211/hippocampal-sclerosis-in-older-patients-practical-examples-and-guidance-with-a-focus-on-cerebral-age-related-tdp-43-with-sclerosis
#5
Matthew D Cykowski, Suzanne Z Powell, Paul E Schulz, Hidehiro Takei, Andreana L Rivera, Robert E Jackson, Gustavo Roman, Gregory A Jicha, Peter T Nelson
CONTEXT: - Autopsy studies of the older population (≥65 years of age), and particularly of the "oldest-old" (≥85 years of age), have identified a significant proportion (∼20%) of cognitively impaired patients in which hippocampal sclerosis is the major substrate of an amnestic syndrome. Hippocampal sclerosis may also be comorbid with frontotemporal lobar degeneration, Alzheimer disease, and Lewy body disease. Until recently, the terms hippocampal sclerosis of aging or hippocampal sclerosis dementia were applied in this context...
May 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28440661/morphological-features-and-prognostic-significance-of-arid1a-deficient-esophageal-adenocarcinomas
#6
Michael G Drage, Mingkhwan Tippayawong, Agoston T Agoston, Yifan Zheng, Raphael Bueno, Jason L Hornick, Robert D Odze, Amitabh Srivastava
CONTEXT: - The clinicopathologic and prognostic significance of ARID1A mutation in esophageal adenocarcinoma (EAC) is unknown. OBJECTIVE: - To determine the morphological correlates and prognostic significance of ARID1A-deficient EAC. DESIGN: - One hundred twenty cases of primary EAC were evaluated for a predetermined set of histologic features and immunohistochemistry for ARID1A, p53, and MLH1 performed on EAC, as well as adjacent Barrett esophagus and Barrett esophagus-associated dysplasia, when feasible...
April 25, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28440660/implementation-of-whole-slide-imaging-for-clinical-purposes-issues-to-consider-from-the-perspective-of-early-adopters
#7
Andrew J Evans, Mohamed E Salama, Walter H Henricks, Liron Pantanowitz
CONTEXT: - There is growing interest in the use of digital pathology, especially whole slide imaging, for diagnostic purposes. Many issues need to be considered when incorporating this technology into a clinical laboratory. The College of American Pathologists established a Digital Pathology Committee to support the development of College programs related to digital pathology. One of its many initiatives was a panel discussion entitled "Implementing Whole-Slide Imaging for Clinical Use: What to Do and What to Avoid," given for 3 years at the College's annual meetings starting in 2014...
April 25, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28421831/a-novel-automated-slide-based-technology-for-visualization-counting-and-characterization-of-the-formed-elements-of-blood-a-proof-of-concept-study
#8
James W Winkelman, Milenko J Tanasijevic, David J Zahniser
CONTEXT: - A novel automated slide-based approach to the complete blood count and white blood cell differential count is introduced. OBJECTIVE: - To present proof of concept for an image-based approach to complete blood count, based on a new slide preparation technique. A preliminary data comparison with the current flow-based technology is shown. DESIGN: - A prototype instrument uses a proprietary method and technology to deposit a precise volume of undiluted peripheral whole blood in a monolayer onto a glass microscope slide so that every cell can be distinguished, counted, and imaged...
April 19, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28418283/serum-bilirubin-concentrations-in-patients-with-takayasu-arteritis
#9
You-Fan Peng, Yi-Bin Deng
CONTEXT: - Bilirubin has strong anti-inflammatory and antioxidative stress action. Progression of inflammation involving arteries is a crucial activator in pathogenesis of Takayasu arteritis (TA). OBJECTIVE: - To investigate the relationship between serum bilirubin and TA. DESIGN: - Our study involved 115 consecutive TA patients. Patients with active-phase disease were followed and received prednisone therapy. RESULTS: - Lower concentrations of serum bilirubin were detected in TA patients compared with healthy subjects (0...
April 18, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28418282/immunohistochemical-detection-of-hairy-cell-leukemia-in-paraffin-sections-the-role-of-pax5-and-cd103-double-staining-to-improve-specificity-and-sensitivity
#10
Igor B Rozenvald, Maurice D Richardson, Lenessa Brock, Russell L Maiese
CONTEXT: - In hematopathology practice, abnormal expression of CD103 on B cells is detected by flow cytometry in hairy cell leukemia (HCL) and, in combination with other phenotypic and morphologic findings, provides diagnostic specificity and sensitivity. Immunostaining on paraffin sections makes it possible to perform immunophenotyping in situ. However, normal bone marrow contains CD103-positive cells, which are not B cells, making it difficult to be certain about low-level involvement by HCL...
April 18, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28418281/programmed-death-ligand-1-pd-l1-expression-in-the-programmed-death-receptor-1-pd-1-pd-l1-blockade-a-key-player-against-various-cancers
#11
Jian Guan, Khin Sandar Lim, Tarek Mekhail, Chung-Che Chang
CONTEXT: - Immune checkpoint pathways, including programmed death receptor-1/programmed death ligand-1 (PD-1/PD-L1) signaling pathway, which are important in mediating self-tolerance and controlling self-damage, can sometimes be manipulated by cancer cells to evade immune surveillance. Recent clinical trials further demonstrate the efficacy of PD-1/PD-L1-targeted therapy in various cancers and reveal a new era of cancer immunotherapy. OBJECTIVE: - To review the mechanism of the PD-1/PD-L1 signaling pathway, the regulation of this pathway, PD-1/PD-L1 as a predictive and/or prognostic marker in various cancers, and strategies of measuring PD-L1 expression...
April 18, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28418280/twenty-first-century-pathologists-advocacy
#12
Timothy Craig Allen
Pathologists' advocacy plays a central role in the establishment of continuously improving patient care quality and patient safety, and in the maintenance and progress of pathology as a profession. Pathology advocacy's primary goal is the betterment of patient safety and quality medical care; however, payment is a necessary and appropriate component to both, and has a central role in advocacy. Now is the time to become involved in pathology advocacy; the Medicare Access and Children's Health Insurance Program (CHIP) Reauthorization Act of 2015 (MACRA) and the Protecting Access to Medicare Act of 2014 (PAMA) are two of the most consequential pieces of legislation impacting the pathology and laboratory industry in the last 20 years...
April 18, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28402169/delta-check-practices-and-outcomes-a-q-probes-study-involving-49-health-care-facilities-and-6541-delta-check-alerts
#13
Ron B Schifman, Michael Talbert, Rhona J Souers
CONTEXT: - Delta checks serve as a patient-based quality control tool to detect testing problems. OBJECTIVE: - To evaluate delta check practices and outcomes. DESIGN: - Q-Probes participants provided information about delta check policies and procedures. Information about investigations, problems, and corrective actions was prospectively collected for up to 100 testing episodes involving delta check alerts. RESULTS: - Among 4505 testing episodes involving 6541 delta check alerts, the median frequencies of actions taken among 49 laboratories were clinical review, 38...
April 12, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28402168/performance-evaluation-of-automated-impedance-and-optical-fluorescence-platelet-counts-compared-with-international-reference-method-in-patients-with-thalassemia
#14
Chaicharoen Tantanate, Ladawan Khowawisetsut, Kovit Pattanapanyasat
CONTEXT: - Spurious platelet counts from automated methods have been reported in patients with abnormal red blood cells. However, there is no specific study regarding performance of platelet counts by automated methods in patients with thalassemia. OBJECTIVE: - To investigate the performance of automated platelet counts, including impedance (PLT-I) and optical fluorescent (PLT-O and PLT-F) methods, and compare them with the international reference method (IRM) for platelet counting in patients with thalassemia...
April 12, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28380306/if-you-are-not-on-social-media-here-s-what-you-re-missing-dothething
#15
C Eric Freitag, Michael A Arnold, Jerad M Gardner, Christina A Arnold
No abstract text is available yet for this article.
April 5, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28362157/the-significance-of-lymphovascular-invasion-of-the-spermatic-cord-in-the-absence-of-cord-soft-tissue-invasion
#16
Brandi C McCleskey, Jonathan I Epstein, Constantine Albany, Neda Hashemi-Sadraei, Muhammad T Idrees, Julie M Jorns, David Y Lu, Andres Matoso, Soroush Rais-Bahrami, Lauren E Schwartz, Thomas M Ulbright, Jennifer Gordetsky
CONTEXT: - Testicular germ cell tumors with lymphovascular invasion (LVI) are staged pT2, and those with spermatic cord involvement are staged pT3. OBJECTIVE: - To study the clinical significance of LVI within the spermatic cord without direct involvement of the cord soft tissues. DESIGN: - A retrospective, multi-institutional review was performed on testicular GCTs with spermatic cord LVI in the absence of cord soft tissue invasion. RESULTS: - Forty-four germ cell tumors had LVI in the spermatic cord without soft tissue invasion; 37 of 44 patients (84%) had nonseminomatous germ cell tumors (NSGCT), and 7 (16%) had pure seminomas...
March 31, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28362156/development-and-validation-of-clinical-whole-exome-and-whole-genome-sequencing-for-detection-of-germline-variants-in-inherited-disease
#17
Madhuri Hegde, Avni Santani, Rong Mao, Andrea Ferreira-Gonzalez, Karen Weck, Karl Voelkerding
CONTEXT: - With the decrease in the cost of sequencing, the clinical testing paradigm has shifted from single gene to gene panel and now whole-exome and whole-genome sequencing. Clinical laboratories are rapidly implementing next-generation sequencing-based whole-exome and whole-genome sequencing. Because a large number of targets are covered by whole-exome and whole-genome sequencing, it is critical that a laboratory perform appropriate validation studies, develop a quality assurance and quality control program, and participate in proficiency testing...
March 31, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28362155/pathologists-perspectives-on-disclosing-harmful-pathology-error
#18
Suzanne M Dintzis, Emily K Clennon, Carolyn D Prouty, Lisa M Reich, Joann G Elmore, Thomas H Gallagher
CONTEXT: - Medical errors are unfortunately common. The US Institute of Medicine proposed guidelines for mitigating and disclosing errors. Implementing these recommendations in pathology will require a better understanding of how errors occur in pathology, the relationship between pathologists and treating clinicians in reducing error, and pathologists' experiences with and attitudes toward disclosure of medical error. OBJECTIVE: - To understand pathologists' attitudes toward disclosing pathology error to treating clinicians and patients...
March 31, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28322587/development-and-validation-of-targeted-next-generation-sequencing-panels-for-detection-of-germline-variants-in-inherited-diseases
#19
Avni Santani, Jill Murrell, Birgit Funke, Zhenming Yu, Madhuri Hegde, Rong Mao, Andrea Ferreira-Gonzalez, Karl V Voelkerding, Karen E Weck
CONTEXT: - The number of targeted next-generation sequencing (NGS) panels for genetic diseases offered by clinical laboratories is rapidly increasing. Before an NGS-based test is implemented in a clinical laboratory, appropriate validation studies are needed to determine the performance characteristics of the test. OBJECTIVE: - To provide examples of assay design and validation of targeted NGS gene panels for the detection of germline variants associated with inherited disorders...
March 21, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28301228/the-evolving-classification-of-pulmonary-hypertension
#20
Michelle Foshat, Nahal Boroumand
CONTEXT: - An explosion of information on pulmonary hypertension has occurred during the past few decades. The perception of this disease has shifted from purely clinical to incorporate new knowledge of the underlying pathology. This transfer has occurred in light of advancements in pathophysiology, histology, and molecular medical diagnostics. OBJECTIVES: - To update readers about the evolving understanding of the etiology and pathogenesis of pulmonary hypertension and to demonstrate how pathology has shaped the current classification...
March 16, 2017: Archives of Pathology & Laboratory Medicine
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