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Archives of Pathology & Laboratory Medicine

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https://www.readbyqxmd.com/read/27893277/lung-carcinoma-staging-update
#1
Sanja Dacic
CONTEXT: -The International Association for the Study of Lung Cancer Staging Committee has prospectively created an international lung cancer database that was used to address many lung cancer staging questions, such as tumor size, nodal status, and metastatic disease. The proposed changes for the upcoming 8th edition of the cancer staging manual were based on survival data and better prognostic stratification of patients with lung cancer. OBJECTIVES: -To review published recommendations for the revision of lung carcinoma TNM staging and to address potential challenges in pathologic staging...
November 28, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27841667/her2-testing-and-clinical-decision-making-in-gastroesophageal-adenocarcinoma-guideline-from-the-college-of-american-pathologists-american-society-for-clinical-pathology-and-american-society-of-clinical-oncology
#2
Angela N Bartley, Mary Kay Washington, Christina B Ventura, Nofisat Ismaila, Carol Colasacco, Al B Benson, Alfredo Carrato, Margaret L Gulley, Dhanpat Jain, Sanjay Kakar, Helen J Mackay, Catherine Streutker, Laura Tang, Megan Troxell, Jaffer A Ajani
CONTEXT: -ERBB2 (erb-b2 receptor tyrosine kinase 2 or HER2) is currently the only biomarker established for selection of a specific therapy for patients with advanced gastroesophageal adenocarcinoma (GEA). However, there are no comprehensive guidelines for the assessment of HER2 in patients with GEA. OBJECTIVES: -To establish an evidence-based guideline for HER2 testing in patients with GEA, to formalize the algorithms for methods to improve the accuracy of HER2 testing while addressing which patients and tumor specimens are appropriate, and to provide guidance on clinical decision making...
November 14, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27819763/diagnosis-of-acute-cellular-rejection-and-antibody-mediated-rejection-on-lung-transplant-biopsies-a-perspective-from-members-of-the-pulmonary-pathology-society
#3
Anja C Roden, Dara L Aisner, Timothy C Allen, Marie Christine Aubry, Roberto J Barrios, Mary B Beasley, Philip T Cagle, Vera L Capelozzi, Sanja Dacic, Yimin Ge, Lida P Hariri, Sylvie Lantuejoul, Ross A Miller, Mari Mino-Kenudson, Andre L Moreira, Kirtee Raparia, Natasha Rekhtman, Lynette Sholl, Maxwell L Smith, Ming S Tsao, Marina Vivero, Yasushi Yatabe, Eunhee S Yi
CONTEXT: - The diagnosis and grading of acute cellular and antibody-mediated rejection (AMR) in lung allograft biopsies is important because rejection can lead to acute graft dysfunction and/or failure and may contribute to chronic graft failure. While acute cellular rejection is well defined histologically, no reproducible specific features of AMR are currently identified. Therefore, a combination of clinical features, serology, histopathology, and immunologic findings is suggested for the diagnosis of AMR...
November 7, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27819762/clinicopathologic-characteristics-and-mutational-status-of-succinate-dehydrogenase-genes-in-paraganglioma-of-the-urinary-bladder-a-multi-institutional-korean-study
#4
Sanghui Park, So Young Kang, Ghee Young Kwon, Ji Eun Kwon, Sang Kyum Kim, Ji Yeon Kim, Chul Hwan Kim, Hyun-Jung Kim, Kyung Chul Moon, Ju Yeon Pyo, Won Young Park, Eun Su Park, Ji-Youn Sung, Sun Hee Sung, Young-Ha Oh, Seung Eun Lee, Wonae Lee, Jong Im Lee, Nam Hoon Cho, Soo Jin Jung, Min-Sun Cho, Yong Mee Cho, Hyun Yee Cho, Eun Jung Cha, Yang-Seok Chae, Gheeyoung Choe, Yeong Jin Choi, Jooryung Huh, Jae Y Ro
CONTEXT: - Because of the limited number of available primary bladder paraganglioma (PBPG) cases, the rates of succinate dehydrogenase (SDH) mutations and the clinicopathologic characteristics of SDH-deficient tumors have not been fully studied. OBJECTIVE: - To define the clinicopathologic and molecular characteristics of PBPGs. DESIGN: - A total of 52 PBPGs were collected retrospectively. SDHA and SDHB immunohistochemical stains were performed...
November 7, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27788336/zika-and-the-blood-supply-a-work-in-progress
#5
Louis M Katz, Susan N Rossmann
Zika virus can be transmitted by transfusion, but the harm caused to recipients is not clear in most cases. It is very likely that the virus could also be transmitted by transplanted organs. Sensitivity to the risk from transfusion is elevated by consideration of possible severe neurologic damage in fetuses. Strategies for dealing with transfusion risk vary with the presence of Zika in the region. In nonendemic areas, risks can be reduced by excluding donors who have exposure through travel or sexual contact with someone at risk...
October 27, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27788335/pathologist-effort-in-the-performance-of-fetal-perinatal-and-pediatric-autopsies-a-survey-of-practice
#6
M Cristina Pacheco, Robyn C Reed
CONTEXT: -Autopsy is an important tool for quality assurance and improving patient care. Fetal, perinatal, and pediatric autopsies have the additional benefit of identifying conditions that may have increased risk of recurrence. In contrast to adult autopsies, special collections and testing are frequently used. Pathologist effort in fetal, perinatal, and pediatric autopsy has not been well documented. OBJECTIVE: -To prospectively quantify pathologist time required to complete fetal, perinatal, and pediatric autopsies, and to gather information on special studies and whether or not a cause of death was identified...
October 27, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763795/zika-virus-the-agent-and-its-biology-with-relevance-to-pathology
#7
Carey L Medin, Alan L Rothman
Once obscure, Zika virus (ZIKV) has attracted significant medical and scientific attention in the past year because of large outbreaks associated with the recent introduction of this virus into the Western hemisphere. In particular, the occurrence of severe congenital infections and cases of Guillain-Barré syndrome has placed this virus squarely in the eyes of clinical and anatomic pathologists. This review article provides a basic introduction to ZIKV, its genetics, its structural characteristics, and its biology...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763794/evaluation-of-the-vulvar-cancer-histology-code-reported-by-central-cancer-registries-importance-in-epidemiology
#8
David A Siegel, Reda Wilson, Edward J Wilkinson, Julia W Gargano, Meg Watson, Brenda Y Hernandez, Marc T Goodman, Charles F Lynch, Elizabeth R Unger, Mona Saraiya
CONTEXT: -Knowing the subtype of vulvar cancer histology is important for estimating human papillomavirus-related cancer etiology. Surveillance of human papillomavirus-related vulvar cancers informs public health decisions related to vaccination against human papillomavirus. OBJECTIVE: -To assess the accuracy of registry classifications of vulvar cancer and determine the histologic classification of cases reported as not otherwise specified. DESIGN: -Pathology specimens were collected from Florida, Iowa, and Hawaii cancer registries...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763793/the-origins-and-emergence-of-zika-virus-the-newest-torch-infection-what-s-old-is-new-again
#9
David A Schwartz
No abstract text is available yet for this article.
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763792/cdh17-is-a-more-sensitive-marker-for-gastric-adenocarcinoma-than-ck20-and-cdx2
#10
David Altree-Tacha, Jillian Tyrrell, Thomas Haas
CONTEXT: -CDH17, which is expressed in the intestinal epithelium, is a novel oncogene involved in tumor invasion and metastasis. A panel consisting of cytokeratin (CK) 7, CD20, and CDX2 antibodies is typically used to diagnose gastrointestinal adenocarcinomas. However, studies have shown that CDH17 is a highly specific marker for gastrointestinal adenocarcinoma and may be important in clinical diagnosis. OBJECTIVE: -To evaluate the sensitivity and specificity of CDH17, CK20, and CDX2 antibodies in neoplastic tissues, with emphasis on colon, stomach, and esophageal gastrointestinal lineage...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763791/challenges-of-frozen-section-in-thoracic-pathology-lepidic-lesions-limited-resections-and-margins
#11
Alain C Borczuk
CONTEXT: -The use of frozen section in thoracic pathology includes assessment of peripheral lung lesions with lepidic pattern, with greater emphasis on evaluating lung-sparing resections and margin assessment. OBJECTIVE: -To review pitfalls of frozen section in thoracic pathology; in this setting, reduction of false-positive and false-negative diagnosis in lesion identification and margin assessment is critical. DATA SOURCES: -PubMed search of frozen section lung pathology yielded specific references related to the use of frozen section in the identification of lepidic lesions and the clinical recommendation for margin distance...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763790/improving-adequacy-of-small-biopsy-and-fine-needle-aspiration-specimens-for-molecular-testing-by-next-generation-sequencing-in-patients-with-lung-cancer-a-quality-improvement-study-at-dartmouth-hitchcock-medical-center
#12
Vijayalakshmi Padmanabhan, Heather B Steinmetz, Elizabeth J Rizzo, Amber J Erskine, Tamara L Fairbank, Francine B de Abreu, Gregory J Tsongalis, Laura J Tafe
CONTEXT: -At our medical center, cytopathologists perform rapid on-site evaluation for specimen adequacy of fine-needle aspiration and touch imprint of needle core biopsy lung cancer samples. Two years ago the molecular diagnostics laboratory at our institution changed to next-generation sequencing using the Ion Torrent PGM and the 50-gene AmpliSeq Cancer Hotspot Panel v2 for analyzing mutations in a 50-gene cancer hot spot panel. This was associated with in a dramatic fall in adequacy rate (68%)...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763789/facebook-discussion-groups-provide-a-robust-worldwide-platform-for-free-pathology-education
#13
Raul S Gonzalez, Sadiq M Amer, Nejib Ben Yahia, Felipe D'Almeida Costa, Manu Noatay, Jian-Hua Qiao, Flavia G Rosado, Yale Rosen, Bruno Tavares Sedassari, Rhonda K Yantiss, Jerad M Gardner
CONTEXT: -Facebook (Menlo Park, California) is one of many online sites that provide potential educational tools for pathologists. We have each founded Facebook groups dedicated to anatomic pathology, in which members can share cases, ask questions, and contribute to discussions. OBJECTIVES: -To report our experiences in founding and maintaining these Facebook groups and to characterize the contributed content. DESIGN: -We circulated a survey among the group founders, then compiled and analyzed the responses...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763788/professionalism-in-pathology-a-case-based-approach-as-a-potential-educational-tool
#14
Ronald E Domen, Kristen Johnson, Richard Michael Conran, Robert D Hoffman, Miriam D Post, Jacob J Steinberg, Mark D Brissette, Dita A Gratzinger, Cindy B McCloskey, Patricia M Raciti, Cory Anthony Roberts, Amyn M Rojiani, Suzanne Zein-Eldin Powell
CONTEXT: -Professionalism issues in residency training can be difficult to assess and manage. Generational or role-based differences may also exist between faculty and residents as to what constitutes unprofessional behavior and how to manage it. OBJECTIVE: -To examine and compare how faculty and residents would approach the same 5 case scenarios detailing various aspects of unprofessional behavior. DESIGN: -Five case scenarios highlighting various unprofessional behaviors were presented in a workshop at an annual meeting of pathology department chairs, residency program directors, and undergraduate pathology medical educators (ie, pathologists involved in medical student pathology education)...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763787/laboratory-diagnosis-of-zika-virus-infection
#15
Marie Louise Landry, Kirsten St George
CONTEXT: -The rapid and accurate diagnosis of Zika virus infection is an international priority. OBJECTIVE: -To review current recommendations, methods, limitations, and priorities for Zika virus testing. DATA SOURCES: -Sources include published literature, public health recommendations, laboratory procedures, and testing experience. CONCLUSIONS: -Until recently, the laboratory diagnosis of Zika infection was confined to public health or research laboratories that prepared their own reagents, and test capacity has been limited...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763779/prevalence-of-traditional-and-reverse-algorithm-syphilis-screening-in-laboratory-practice-a-survey-of-participants-in-the-college-of-american-pathologists-syphilis-serology-proficiency-testing-program
#16
Daniel D Rhoads, Jonathan R Genzen, Christine P Bashleben, James D Faix, M Qasim Ansari
CONTEXT: -Syphilis serology screening in laboratory practice is evolving. Traditionally, the syphilis screening algorithm begins with a nontreponemal immunoassay, which is manually performed by a laboratory technologist. In contrast, the reverse algorithm begins with a treponemal immunoassay, which can be automated. The Centers for Disease Control and Prevention has recognized both approaches, but little is known about the current state of laboratory practice, which could impact test utilization and interpretation...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27763778/correlation-of-prenatal-diagnosis-and-pathology-findings-following-dilation-and-evacuation-for-fetal-anomalies
#17
Carolin A Boecking, Eleanor A Drey, Jennifer L Kerns, Walter E Finkbeiner
CONTEXT: -Despite increased use of dilation and evacuation in the setting of fetuses with developmental anomalies, the pathology examination of fragmented specimens obtained by this technique has been understudied. OBJECTIVES: -To correlate pathologic findings in second-trimester fetal dilation and evacuation specimens with prenatal diagnoses established through ultrasound and/or chromosome studies to determine the value of pathology examination for supplementing or correcting clinical diagnoses...
October 20, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27726416/zika-virus-associated-micrencephaly-a-thorough-description-of-neuropathologic-findings-in-the-fetal-central-nervous-system
#18
Peter Štrafela, Alenka Vizjak, Jerica Mraz, Jernej Mlakar, Jože Pižem, Nataša Tul, Tatjana Avšič Županc, Mara Popović
CONTEXT: -The 2015 outbreak of Zika virus in Brazil resulted in a 20-times increased prevalence of congenital microcephaly in stillborns and neonates and was instrumental in raising the suspicion of a causal association between Zika virus and microcephaly. OBJECTIVE: -To provide a comprehensive description of the neuropathologic features of congenital Zika virus infection. DESIGN: -Autopsy evaluation of the brain from a fetus of 32 weeks and 6 days of gestation, with a prenatal diagnosis of microcephaly associated with polymerase chain reaction-confirmed, fetal, Zika virus infection...
October 11, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27704910/how-angiosarcoma-and-facebook-changed-my-life
#19
Jerad M Gardner
No abstract text is available yet for this article.
October 5, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27704909/zika-virus-pathology-from-the-pandemic
#20
Jana M Ritter, Roosecelis B Martines, Sherif R Zaki
Context .- As the number of Zika virus (ZIKV) infections continues to grow, so, too, does the spectrum of recognized clinical disease, in both adult and congenital infections. Defining the tissue pathology associated with the various disease manifestations provides insight into pathogenesis and diagnosis, and potentially future prevention and treatment, of ZIKV infections. Objective .- To summarize the syndromes and pathology associated with ZIKV infection, the implications of pathologic findings in pathogenesis of ZIKV disease, and the use of pathology specimens for diagnosis of ZIKV infection...
October 5, 2016: Archives of Pathology & Laboratory Medicine
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