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https://www.readbyqxmd.com/read/28208881/media-matter-the-effect-of-medium-of-presentation-on-student-s-recognition-of-histopathology
#1
Ajay Telang, Nynke De Jong, Jan Van Dalen
INTRODUCTION: Pathology teaching has undergone transformation with the introduction of virtual microscopy as a teaching and learning tool. AIM: To assess if dental students can identify histopathology irrespective of the media of presentation and if the media affect student's oral pathology case based learning scores. The perception of students towards "hybrid" approach in teaching and learning histopathology in oral pathology was also assessed. MATERIALS AND METHODS: A controlled experiment was conduc-ted on year 4 and year 5 dental student groups using a perfor-mance test and a questionnaire survey...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28196844/cervical-cancer-incidence-after-normal-cytological-sample-in-routine-screening-using-surepath-thinprep-and-conventional-cytology-population-based-study
#2
Kirsten Rozemeijer, Steffie K Naber, Corine Penning, Lucy I H Overbeek, Caspar W N Looman, Inge M C M de Kok, Suzette M Matthijsse, Matejka Rebolj, Folkert J van Kemenade, Marjolein van Ballegooijen
Objective To compare the cumulative incidence of cervical cancer diagnosed within 72 months after a normal screening sample between conventional cytology and liquid based cytology tests SurePath and ThinPrep.Design Retrospective population based cohort study.Setting Nationwide network and registry of histo- and cytopathology in the Netherlands (PALGA), January 2000 to March 2013.Population Women with 5 924 474 normal screening samples (23 833 123 person years).Exposure Use of SurePath or ThinPrep versus conventional cytology as screening test...
February 14, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28191810/gist-institutional-experience-at-srms-ims-india
#3
Shubhanshu Gupta, Keshri Amit, Ashish Gupta, Tanu Argawal
Gastro-Intestinal Stromal Tumors (GIST) is a malignant, non-epithelial, mesenchymal tumor of the digestive tract that is not uncommon in clinical practice nowadays; diagnosis being based upon immuno-histo-chemical analysis of the resected or biopsied (FNAC) specimen. Abdominal lump with or without intra-luminal bleed is a common mode of presentation. Early diagnosis and appropriate management with surgery and/or Imatinib therapy improves recurrence free survival and may impact overall survival. We present here our institutional experience of four patients, admitted in Onco-Surgery Dept...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28171713/is-there-an-evidence-of-pathogenicity-of-kudoa-septempunctata-to-evoke-the-acute-food-poisoning
#4
Young-Bae Chung, Jong-Myon Bae
Purpose: After publishing a paper shown diarrheagenic and emetic activity with Kudoa septempuctata spores inoculated on 4-5-day old ddY mice, the Centers for Disease Control and Prevention in Korea reported 11 events occurred in 2015 as 'Kudoa food poisoning'. Because epidemiological design of the report was not an analytical but a descriptive study, it needs to evaluate evidences related to pathogenicity of K. septempuctata. Methods: Related articles showing evidences of pathogenicity were searched using citation discovery tool in PubMed based on the first report worldwide...
January 30, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28165661/robust-universal-biomarker-assay-to-detect-senescent-cells-in-biological-specimens
#5
Konstantinos Evangelou, Nikolaos Lougiakis, Sophia V Rizou, Athanassios Kotsinas, Dimitris Kletsas, Daniel Muñoz-Espín, Nikolaos G Kastrinakis, Nicole Pouli, Panagiotis Marakos, Paul Townsend, Manuel Serrano, Jiri Bartek, Vassilis G Gorgoulis
Cellular senescence contributes to organismal development, aging, and diverse pathologies, yet available assays to detect senescent cells remain unsatisfactory. Here, we designed and synthesized a lipophilic, biotin-linked Sudan Black B (SBB) analogue suitable for sensitive and specific, antibody-enhanced detection of lipofuscin-containing senescent cells in any biological material. This new hybrid histo-/immunochemical method is easy to perform, reliable, and universally applicable to assess senescence in biomedicine, from cancer research to gerontology...
February 2017: Aging Cell
https://www.readbyqxmd.com/read/28160020/diagnosis-of-periprosthetic-joint-infection-using-alpha-defensin-test-or-multiplex-pcr-ideal-diagnostic-test-still-not-found
#6
Arnold J Suda, Marco Tinelli, Nils D Beisemann, Yoram Weil, Amal Khoury, Oliver E Bischel
PURPOSE: Diagnosing periprosthetic infection remains a challenge. Multiplex-PCR and biomarkers such as alpha-defensin are potentially useful and fast methods for detecting periprosthetic infection. This study compared these new methods with clinical assessment, conventional microbiological methods and histo-pathological examination. METHODS: Twenty-eight consecutive patients with 30 joints and a mean age of 67.7 years (range 39 to 88) with removal of total hip arthroplasty (THA) or total knee replacement (TKR) were included in this study...
February 4, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28157110/connexin40-correlated-with-oxidative-stress-in-brains-of-traumatic-brain-injury-rats
#7
Wei Chen, Yijun Guo, Wenjin Yang, Ping Zheng, Jinsong Zeng, Wusong Tong
BACKGROUND: Oxidative stress is an important factor in the pathophysiologic changes after traumatic brain injury (TBI). Connexin43 (Cx43) was reported to contribute to cerebral damage. However, the impacts of Cx40 have not been investigated in detail. OBJECTIVE: In the present study, we hypothesized that Cx40 was involved in oxidative stress-induced brain injury after TBI. METHODS: The controlled cortical impact (CCI) model was introduced to Wistar rats as a TBI model...
February 2, 2017: Restorative Neurology and Neuroscience
https://www.readbyqxmd.com/read/28157060/risk-of-malignancy-in-fine-needle-aspiration-biopsy-in-patients-with-thyroid-nodules
#8
Alice Viktoria Egset, Camilla Holm, Stine Rosenkilde Larsen, Susanne Holm Nielsen, Jacob Bach, Jens Peter Helweg-Larsen, Louise Vølund Larsen, Jens Højberg Wanscher, Christian Godballe
INTRODUCTION: Fine-needle aspiration biopsy (FNAB) is the cornerstone of thyroid nodule evaluation. In most cases, FNAB can discriminate between benign and malignant disease. In other cases, it is only indicative of malignancy and the results are considered "suspicious". In Denmark, thyroid FNAB results are categorised into six groups: "inadequate", "cystic", "inconclusive", "benign", "suspicious" and "malignant". The risk of malignancy in the Danish "suspicious" group is of interest for patients as well as doctors participating in the diagnosis and treatment...
February 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28155840/osteitis-in-the-course-of-pyodema-gangrenosum-case-raport
#9
Andrzej Kaźmierczak-Koćwin, Robert Pieczyrak, Damian Kusz, Eugeniusz Kucharz, Marcin Kusz
We present the case of a male patient admitted to the Department of Orthopaedics and Musculoskeletal Traumatology, Medical University of Silesia (MUS) in Katowice, due to a right hindfoot abscess with calcaneal infiltration and pain in the forehead and the back, with evidence of local inflammation. The patient had a history of ulcerative colitis and sclerosing cholangitis was suspected. During the hospital stay, the patient underwent calcaneal CT, surgery (resection of an inflammatory focus) and MRI of the thoracic and lumbosacral spine, which revealed inflamed spinous processes of the Th10, Th11 and Th12 vertebrae...
November 30, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28146062/high-level-%C3%AE-glutamyl-hydrolase-ggh-expression-is-linked-to-poor-prognosis-in-erg-negative-prostate-cancer
#10
Nathaniel Melling, Masoud Rashed, Cornelia Schroeder, Claudia Hube-Magg, Martina Kluth, Dagmar Lang, Ronald Simon, Christina Möller-Koop, Stefan Steurer, Guido Sauter, Frank Jacobsen, Franziska Büscheck, Corinna Wittmer, Till Clauditz, Till Krech, Maria Christina Tsourlakis, Sarah Minner, Hartwig Huland, Markus Graefen, Lars Budäus, Imke Thederan, Georg Salomon, Thorsten Schlomm, Waldemar Wilczak
γ-glutamyl-hydrolase (GGH) is a ubiquitously-expressed enzyme that regulates intracellular folate metabolism for cell proliferation, DNA synthesis, and repair. Employing GGH immunohistochemistry on a tissue microarray with 12,427 prostate cancers, we found that GGH expression was negative to low in normal prostate epithelium, whereas 88.3% of our 10,562 interpretable cancers showed GGH expression. GGH staining was considered as low intensity in 49.6% and as high intensity in 38.6% of cancers. High GGH expression was linked to the TMPRSS2:ERG-fusion positive subset of cancers (p < 0...
January 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28139731/non-aug-start-codons-responsible-for-abo-weak-blood-group-alleles-on-initiation-mutant-backgrounds
#11
Emili Cid, Miyako Yamamoto, Fumiichiro Yamamoto
Histo-blood group ABO gene polymorphism is crucial in transfusion medicine. We studied the activity and subcellular distribution of ABO gene-encoded A glycosyltransferases with N-terminal truncation. We hypothesized that truncated enzymes starting at internal methionines drove the synthesis of oligosaccharide A antigen in those already described alleles that lack a proper translation initiation codon. Not only we tested the functionality of the mutant transferases by expressing them and assessing their capacity to drive the appearance of A antigen on the cell surface, but we also analyzed their subcellullar localization, which has not been described before...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28131202/clinical-and-genetic-studies-in-patients-with-lafora-disease-from-pakistan
#12
Arsalan Ahmad, Rubina Dad, Muhammad Ikram Ullah, Tahir Ahmed Baig, Imran N Ahmad, Abdul Nasir, Christian A Hübner, Muhammad Jawad Hassan
Lafora disease (LD) is progressive myoclonic epilepsy with late childhood- to teenage-onset. Mutations in two genes, EPM2A and NHLRC1, are responsible for this autosomal recessive disease in many patients Worldwide. In present study, we reported two unrelated consanguineous Pakistani families with Lafora disease (Families A and B). Affected individuals in both families presented with generalized tonic clonic seizures, intellectual disability, ataxia and cognitive decline. Diagnosis of Lafora disease was made on histo-pathological analysis of the skin biopsy, found positive for lafora bodies in periodic acid schiff stain and frequent generalized epileptiform discharges on electroencephalogram (EEG)...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28129884/incidence-and-survival-of-glandular-vulvar-malignancies-in-the-netherlands
#13
Michelle van der Linden, Melinda Schuurman, Johan Bulten, Maaike van der Aa, Leon Massuger, Joanne de Hullu
AIM: There is limited knowledge in the field of glandular vulvar malignancies. The aim of this study is to describe the incidence and survival of women with glandular vulvar malignancies. METHODS: We searched PALGA, a nation-wide database registering all histo- and cytopathology in the Netherlands, for all cases of glandular vulvar malignancies between 2000 and 2015. Additional data were retrieved via the Netherlands Cancer Registry. Incidence rates were calculated per 1,000,000 women per year...
January 24, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28128310/droplet-based-microtumor-model-to-assess-cell-ecm-interactions-and-drug-resistance-of-gastric-cancer-cells
#14
Minjeong Jang, Ilkyoo Koh, Seok Jae Lee, Jae-Ho Cheong, Pilnam Kim
Gastric cancer (GC) is a common aggressive malignant tumor with high incidence and mortality worldwide. GC is classified into intestinal and diffuse types according to the histo-morphological features. Because of distinctly different clinico-pathological features, new cancer therapy strategies and in vitro preclinical models for the two pathological variants of GC is necessary. Since extracellular matrix (ECM) influence the biological behavior of tumor cells, we hypothesized that GC might be more similarly modeled in 3D with matrix rather than in 2D...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102161/orthotopic-autologous-chondrocyte-grafting-as-a-method-of-treatment-of-growth-plate-damage-in-rabbits
#15
Ryszard Tomaszewski, Łukasz Wiktor, Artur Gap
BACKGROUND: With the continuous advances in the therapy of joint cartilage injury, some of those classification systems are also being used for evaluating the quality of regenerating cartilage. Histo lo gi cal assessment of joint cartilage is a very important component in the staging of osteoarthritis and tracing therapeutic outcomes. We performed a histological assessment of regenerating growth plate in a group of New Zealand white rabbits as a component of autologous chondrocyte therapy for growth plate damage...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28102023/6-gingerol-rich-fraction-prevents-disruption-of-histomorphometry-and-marker-enzymes-of-testicular-function-in-carbendazim-treated-rats
#16
M Salihu, B O Ajayi, I A Adedara, E O Farombi
Previous investigations demonstrated that 6-gingerol-rich fraction (6-GRF) prevented testicular toxicity via inhibition of oxidative stress and endocrine disruption in CBZ-treated rats. The influence of 6-GRF on alterations in histomorphometry and marker enzymes of testicular function in CBZ-treated rats which hitherto has not been reported was investigated in this study. The animals were orally administered either CBZ (50 mg/kg) alone or in combination with 6-GRF (50, 100 and 200 mg/kg) for 14 consecutive days...
January 19, 2017: Andrologia
https://www.readbyqxmd.com/read/28090561/diversity-in-rotavirus-host-glycan-interactions-a-sweet-spectrum
#17
REVIEW
Sasirekha Ramani, Liya Hu, B V Venkataram Prasad, Mary K Estes
Interaction with cellular glycans is a critical initial step in the pathogenesis of many infectious agents. Technological advances in glycobiology have expanded the repertoire of studies delineating host glycan-pathogen interactions. For rotavirus, the VP8* domain of the outer capsid spike protein VP4 is known to interact with cellular glycans. Sialic acid was considered the key cellular attachment factor for rotaviruses for decades. Although this is true for many rotavirus strains causing infections in animals, glycan array screens show that many human rotavirus strains bind nonsialylated glycoconjugates, called histo-blood group antigens, in a strain-specific manner...
May 2016: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28081531/viral-nucleic-acids-in-the-serum-are-dependent-on-blood-sampling-site-in-patients-with-clinical-suspicion-of-myocarditis
#18
Agnieszka Pawlak, Maciej Przybylski, Marek Durlik, Katarzyna Gil, Anna M Nasierowska-Guttmejer, Katarzyna Byczkowska, Andrzej Ziemba, Robert J Gil
BACKGROUND: The meaning of viral nucleic acids in the myocardium in many cases is difficult for clinical interpretation, whereas the presence of viral nucleic acids in the serum is a marker of active infection. We determined the diagnostic value of viral nucleic acids in ventricular serum and peripheral serum samples in comparison with endomyocardial biopsy (EMB) specimens in patients with clinically suspected myocarditis. METHODS: The viral nucleic acid evaluation was performed in serum samples and EMB specimens by real-time PCR in 70 patients (age: 47 ± 16 years)...
January 13, 2017: Intervirology
https://www.readbyqxmd.com/read/28050473/evaluation-of-sinonasal-diseases-by-computed-tomography
#19
Rashmi Kandukuri, Suresh Phatak
INTRODUCTION: Computed Tomography (CT) plays an important diagnostic role in patients with sinonasal diseases and determines the treatment. The CT images clearly show fine structural architecture of bony anatomy thereby determining various anatomical variation, extent of disease and characterization of various inflammatory, benign and malignant sinonasal diseases. AIM: To evaluate sensitivity and specificity of CT in diagnosis of sinonasal diseases and to characterise the benign and malignant lesions with the help of various CT parameters...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28047686/we-fg-202-04-decomposition-of-fdg-pet-based-differential-uptake-volume-histograms-in-rectal-cancer-patients
#20
J Schneider, T Vuong, N Tomic, M Hickeson, R Lisbona, F DeBlois, J Seuntjens, S Devic
PURPOSE: The goal of this study is to test the possible use of the analytical decomposition of differential uptake volume histograms (dUVHs) obtained from FDG-PET/CT data to isolate sub-volumes within a tumor known as biological target volumes (BTVs). METHODS: A retrospective study was conducted on a cohort of 20 histo-pathologically confirmed rectal adenocarcinoma patients having PET/CT scans for staging. All patients (T3N0) underwent pre-operative endorectal brachytherapy...
June 2016: Medical Physics
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