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American Journal of Clinical Pathology

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https://www.readbyqxmd.com/read/29648578/gastric-adenocarcinoma-of-the-fundic-gland-type-update-and-literature-review
#1
Mark A Benedict, Gregory Y Lauwers, Dhanpat Jain
Objectives: Gastric adenocarcinoma of the fundic gland type (GA-FG) is a newly described entity with a lack of awareness amongst general surgical pathologists and this review highlights the key features and controversies associated with this uncommon neoplasm. Methods: A literature search through PubMed using synonyms for GA-FG was conducted to obtain 111 cases. Results: GA-FG is a well-differentiated neoplasm of oxyntic mucosa, that is comprised of chief cells and parietal cells...
April 10, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29659678/test-cost-and-test-accuracy-in-clinical-laboratories-in-kampala-uganda
#2
Timothy K Amukele, Robert Jones, Ali Elbireer
Objectives: To assess the accuracy and costs of laboratory tests in Kampala, Uganda. Methods: A random selection of 78 laboratories tested external quality assurance samples at market rates. There were 40 moderate- to high-complexity and 38 low-complexity laboratories. Four percent (3/78) of these laboratories were accredited and 94% (73/78) were private. The 40 moderate- to high-complexity laboratories performed malaria blood smear, urine human chorionic gonadotropin (hCG), human immunodeficiency virus (HIV), syphilis, glucose, and three-panel tests: CBC, liver function tests, and kidney function tests...
April 5, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29659675/facing-the-inevitable-being-prepared-for-regulatory-requirements-for-laboratory-developed-tests
#3
Rita D'Angelo, Ronald Weiss, David Wolfe, Ratna Chinnam, Alper Murat, Julia Gluesing, Toni Somers
Objectives: We introduce regulatory terms, definitions, and the Quality System Regulation as proposed by the US Food and Drug Administration in the 2014 draft guidance entitled Framework for Regulatory Oversight of Laboratory Developed Tests and explore medical device requirements applicable to a laboratory environment to design, develop, and validate laboratory developed tests (LDTs). Methods: We performed nine interviews with laboratory professionals to explore concerns and challenges regarding the draft, translated the results into operational factors, and surveyed professionals to test the factors that would comprise a regulatory quality management system framework...
April 5, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29659673/evaluation-of-the-utility-of-bone-marrow-morphology-and-ancillary-studies-in-pediatric-patients-under-surveillance-for-myelodysplastic-syndrome
#4
Karen M Chisholm, Min Xu, Billy Davis, Amy Ogi, M Cristina Pacheco, Amy E Geddis, Karen D Tsuchiya, Joe C Rutledge
Objectives: To evaluate the utility of flow cytometry, karyotype, and a fluorescence in situ hybridization (FISH) panel in screening children for myelodysplastic syndrome (MDS). Methods: Bone marrow morphology, flow cytometry, karyotype, and FISH reports from 595 bone marrow specimens (246 patients) were analyzed. Results: By morphology, 8.7% of cases demonstrated at least unilineage dysplasia and/or increased blasts. Flow cytometry identified definitive abnormalities in 2...
April 5, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29659669/overexpression-of-fibcd1-is-predictive-of-poor-prognosis-in-gastric-cancer
#5
Chunyi Jiang, Jinhong Zhu, Pengcheng Zhou, Huijun Zhu, Wei Wang, Qin Jin, Peng Li
Objectives: Fibrinogen C domain containing 1 (FIBCD1) is a newly identified acetyl group recognition receptor. The aim of this study was to evaluate the prognostic significance of FIBCD1 in gastric cancer. Methods: This study included 706 samples, and the clinical data of all patients were recorded in detail. We studied messenger RNA (mRNA) and protein expression of FIBCD1 in cancerous and normal tissues by quantitative real-time polymerase chain reaction (n = 54) and tissue microarray immunohistochemistry analysis (n = 706), respectively...
April 5, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29659661/rna-and-microrna-stability-in-paxgene-fixed-paraffin-embedded-tissue-blocks-after-seven-years-storage
#6
Ignacio Sanchez, Fay Betsou, Bénédicte Culot, Sonia Frasquilho, Siobhan C McKay, Stephanos Pericleous, Colleen Smith, Gerry Thomas, William Mathieson
Objectives: To evaluate the stability of RNA and microRNA (miRNA) in PAXgene-fixed paraffin-embedded tissue blocks after 7 years' storage. Methods: RNA and miRNA were extracted from PAXgene-fixed paraffin-embedded (PFPE) blocks in 2009 then stored at -80°C. Seven years later, RNA and miRNA were again extracted from the same blocks. RNA and miRNA integrity in the 2009 and 2016 extractions were compared using RNA integrity number (RIN), paraffin-embedded RNA metric (PERM), reverse transcription polymerase chain reaction (RT-PCR) for different amplicon lengths, and quantitative RT-PCR (qRT-PCR) for three mRNA and three miRNA targets...
April 5, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29635384/pulmonary-non-small-cell-carcinoma-with-morphologic-features-of-adenocarcinoma-or-non-small-cell-carcinoma-favor-adenocarcinoma-in-cytologic-specimens-share-similar-clinical-and-molecular-genetic-characteristics
#7
Danielle Hutchings, Zahra Maleki, Erika F Rodriguez
Objectives: Define if the presence of morphologic features of adenocarcinoma (ACA) in non-small cell lung carcinoma (NSCLC) on cytology specimens correlates with clinical and biologic features. Methods: A total of 209 cases of NSCLC diagnosed on fine-needle aspiration in a 3-year period were included. Results: After morphologic review, the cases were classified as ACA (n = 115), NSCLC favor ACA (n = 43), and NSCLC-not otherwise specified (NOS) (n = 18)...
April 4, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29635311/the-impact-of-an-electronic-expensive-test-notification
#8
Jacquelyn D Riley, Glenn Stanley, Robert Wyllie, Kandice Kottke-Marchant, Gary W Procop
Objectives: The impact of clinical decision support tools (CDSTs) that display test cost information has been variable. Methods: We retrospectively analyzed the 3-year impact of a passive CDST that notified providers when the test order cost was $1,000 or more. We determined the most common expensive tests ordered, the frequency with which providers abandoned the order after notification, and the costs saved through this intervention. Results: The average monthly abandonment rate was 12...
April 4, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29635278/obtaining-a-correct-diagnosis-rapidly-in-the-united-states-is-associated-with-many-barriers-not-present-in-other-countries
#9
Michael Laposata
No abstract text is available yet for this article.
April 4, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29562309/diagnostic-utility-of-twist1-ki-67-and-e-cadherin-in-diagnosing-molar-gestations-and-hydropic-abortions
#10
Rabab A Moussa, Ahmed N Eesa, Zeinab F Abdallah, Ayman Abdelmeged, Ahmed Mahran, Haitham Bahaa
Objectives: This study aims to assess whether the expression of Twist1, Ki-67, and E-cadherin can guide the differential diagnosis of complete hydatidiform mole (CHM), partial hydatidiform mole (PHM), and hydropic abortion (HA). Methods: Differential expression of Twist1, Ki-67, and E-cadherin was analyzed in gestational products from 55 cases of CHM, PHM, and HA using immunohistochemistry. Prior to analysis, the studied cases were confirmed for their diagnosis by flow cytometric assessment of DNA ploidy and p57 immunostaining...
March 19, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29547948/offering-aspartate-aminotransferase-as-a-reflex-test-an-easy-but-effective-way-to-improve-appropriateness-of-laboratory-requests
#11
Sarah Birindelli, Sara Pasqualetti, Mauro Panteghini
No abstract text is available yet for this article.
March 14, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29547897/performance-evaluation-and-clinical-associations-of-immunoassays-that-detect-antibodies-to-negatively-charged-phospholipids-other-than-cardiolipin
#12
Amaris Castanon, Grant Pierre, Rohan Willis, E Nigel Harris, Elizabeth Papalardo, Zurina Romay-Penabad, Alvaro Schleh, Praveen Jajoria, Monica Smikle, Karel DeCeulaer, Anne Tebo, Troy Jaskowski, Marta M Guerra, D Ware Branch, Jane E Salmon, Michelle Petri, Emilio B Gonzalez
Objectives: We evaluate the performance characteristics of antiphosphatidylserine (anti-PS), antiphosphatidylinositol (anti-PI), and antiphospholipid mixture (APhL) enzyme-linked immunosorbent assays (ELISAs) compared with anticardiolipin (aCL) and anti-β2 glycoprotein I (anti-β2GPI) in a large group of patients with antiphospholipid (aPL)-related diseases. Methods: Serum samples from 548 patients from the Hopkins and Jamaican systemic lupus erythematosus cohorts, the PROMISSE cohort, and the Antiphospholipid Standardization Laboratory were examined for immunoglobulin G (IgG)/immunoglobulin M (IgM) positivity in aCL, anti-β2GPI, anti-PS, anti-PI, and APhL ELISA assays...
March 14, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29538617/limited-utility-of-fluorescence-in-situ-hybridization-for-recurrent-abnormalities-in-acute-myeloid-leukemia-at-diagnosis-and-follow-up
#13
Ferrin C Wheeler, Annette S Kim, Claudio A Mosse, Aaron C Shaver, Ashwini Yenamandra, Adam C Seegmiller
Objectives: Acute myeloid leukemia (AML) is classified in part by recurrent cytogenetic abnormalities, often detected by both fluorescent in situ hybridization (FISH) and karyotype. The goal of this study was to assess the utility of FISH and karyotyping at diagnosis and follow-up. Methods: Adult AML samples at diagnosis or follow-up with karyotype and FISH were identified. Concordance was determined, and clinical characteristics and outcomes for discordant results were evaluated...
March 10, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29538613/preparing-for-a-computational-pathology-future-through-informaticians-and-a-computational-technologist-workforce
#14
S Joseph Sirintrapun Md
No abstract text is available yet for this article.
March 10, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29538611/acinar-predominant-pattern-correlates-with-poorer-prognosis-in-invasive-mucinous-adenocarcinoma-of-the-lung
#15
Gengpeng Lin, Hui Li, Jianyi Kuang, Kejing Tang, Yubiao Guo, Anjia Han, Canmao Xie
Objectives: Invasive mucinous adenocarcinoma (IMA) is a variant of lung adenocarcinoma with several growth patterns, such as lepidic acinar and papillary. However, to our knowledge, no study regarding prognostic and clinicopathologic aspects of IMAs with different growth patterns has been reported. Methods: Of 2,236 patients with primary lung adenocarcinoma, 16 were identified as having lepidic-predominant IMA and 10 as having acinar-predominant IMA. Data regarding the clinicopathologic characteristics, computed tomography (CT) features, and prognosis were collected...
March 10, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29538609/multinodular-goiter-progression-toward-malignancy-in-a-case-of-dicer1-syndrome-histologic-and-molecular-alterations
#16
Irene Gullo, Rui Batista, Pedro Rodrigues-Pereira, Paula Soares, Helena Barroca, Maria do Bom-Sucesso, Manuel Sobrinho-Simões
Objectives: Multinodular goiter (MNG) and well-differentiated thyroid carcinoma (WDTC) are emerging phenotypes of DICER1 syndrome. Methods: Histologic and molecular findings of botryoid-type embryonal rhabdomyosarcoma (bERMS) and thyroid nodules from a 12-year-old DICER1 mutation carrier (p.Arg1060Ilefs*7) were investigated, providing interesting clues for understanding thyroid carcinogenesis. Results: The patient had bERMS at age 7 years...
March 10, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29522068/the-american-society-for-clinical-pathology-s-2016-2017-vacancy-survey-of-medical-laboratories-in-the-united-states
#17
Edna Garcia, Iman Kundu, Asma Ali, Ryan Soles
Objectives: To determine the extent and distribution of workforce shortages within the nation's medical laboratories. Methods: The 2016-2017 Vacancy Survey was conducted through collaboration between the American Society for Clinical Pathology's Institute of Science, Technology, & Policy in Washington, DC, and the Evaluation, Measurement, and Assessment division and Board of Certification in Chicago, Illinois. Data were collected via an internet survey that was distributed to individuals who were able to report on staffing and certifications for their laboratories...
March 7, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29474506/derivation-of-outcome-based-pediatric-critical-values
#18
Hao Du, Corey Markus, Michael Metz, Mengling Feng, Tze Ping Loh
Objectives: There is currently a lack of an outcomes-based definition of critical values for the pediatric population. This has contributed to a highly heterogeneous critical value reporting practice between laboratories. Methods: Anonymized results were extracted from a laboratory information system for 10 biochemistry tests. The probability of high-dependency/intensive care unit admission (as a proxy for adverse outcomes) for each individual laboratory concentration was calculated and adjusted to fit using a polynomial function to model the probability trend...
February 21, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29471352/delay-to-formalin-fixation-cold-ischemia-time-effect-on-breast-cancer-molecules
#19
Thaer Khoury
Objectives: The gold standard of examining breast biomarkers, including estrogen receptor (ER)/progesterone receptor (PR)/human epidermal growth factor receptor 2 (HER2)/Ki-67, is to perform these assays on formalin-fixed, paraffin-embedded tissue. However, preanalytical variables may confound these assays. One of these factors is delay to formalin fixation (DFF). The purpose of this review is to evaluate each study that investigated the effect of DFF on breast biomarkers and other molecules...
February 19, 2018: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29452345/daily-biopsy-diagnosis-in-surgical-pathology-concordance-between-light-microscopy-and-whole-slide-imaging-in-real-life-conditions
#20
Irène Villa, Marie-Christine Mathieu, Jacques Bosq, Anne Auperin, Jean-François Pomerol, Magali Lacroix-Triki, Jean-Yves Scoazec, Peggy Dartigues
Objectives: The current challenge for the various digital whole-slide imaging (WSI) systems is to be definitively validated for diagnostic purposes. We designed a concordance study between glass slide and digital slide diagnosis in real-life conditions, coupled with an ergonomic study. Methods: Three senior pathologists evaluated, first in glass slides and then in digital slides, 119 biopsy cases, including 749 slides, with 332 H&E saffron stains and 417 additional techniques, mainly immunohistochemistry...
February 14, 2018: American Journal of Clinical Pathology
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