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APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica

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https://www.readbyqxmd.com/read/27921337/extended-spectrum-cephalosporin-resistance-among-clinical-isolates-of-enterobacteriaceae-in-west-norway-during-2006-2013-a-prospective-surveillance-study
#1
Haima Mylvaganam, Helge Kolstad, Rebecca Irene Breistein, Grete Lind, Dag Harald Skutlaberg
Routine surveillance of resistance to broad-spectrum cephalosporins in Enterobacteriaceae and phenotypic identification of underlying mechanisms using a simple strategy was commenced in 2006 at our laboratory, serving West Norway. This report focuses on the results until 2013. The classical plasmid-mediated extended spectrum beta-lactamase (ESBLA ) among clinically relevant Escherichia coli isolates showed an increase from 0.6% to 4.3% during the surveillance period, while prevalence for other mechanisms remained stable, below 0...
December 6, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27862328/primary-giant-cell-tumor-of-the-female-breast-a-diagnostic-red-herring-with-therapeutic-implications
#2
Balan Louis Gaspar, Saniya Sharma, Rajinder Singh, Rakesh Kumar Vasishta
Primary giant cell tumor of the female breast is extremely rare. Major diagnostic difficulty is encountered not only by the surgeon but also by the radiologist and pathologist. Pathologically, it is similar to the bone and soft tissue counterparts. However, this is not always true. We describe a patient presenting clinically as cystosarcoma phyllodes and histopathological examination revealed a primary giant cell tumor which was confirmed by immunohistochemistry and electron microscopy. Interestingly, an intimate relationship between the mononuclear component of the tumor cells with eosinophils and mast cells was observed electron microscopically...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27862322/staphylococcus-aureus-isolated-from-tonsillectomized-adult-patients-with-recurrent-tonsillitis
#3
Marta Katkowska, Katarzyna Garbacz, Józef Stromkowski
The aim of this study was to analyze the prevalence and antibiotic resistance of Staphylococcus aureus strains from 118 tonsillectomized adults due to recurrent tonsillitis (RT). The study included strains isolated from the tonsillar surface prior to tonsillectomy, recovered from the tonsillar core at the time of surgery, and from the posterior throat 2-4 weeks after the procedure. Susceptibility of isolates to 19 antibiotics was tested in line with the Clinical and Laboratory Standards Institute recommendations...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27859778/molecular-epidemiology-of-staphylococcus-epidermidis-in-neonatal-intensive-care-units
#4
Hiie Soeorg, Kristi Huik, Ülle Parm, Mari-Liis Ilmoja, Tuuli Metsvaht, Irja Lutsar
Late-onset sepsis (LOS) in preterm neonates is increasingly reported to be associated with gut-colonizing Staphylococcus epidermidis. We aimed to describe the molecular epidemiology of S. epidermidis colonizing the gut of neonates hospitalized in two neonatal intensive care units. S. epidermidis from rectal swabs were typed by multilocus variable-number tandem-repeat analysis (MLVA), randomly chosen isolates of predominant MLVA types additionally by multilocus sequence typing. Antimicrobial susceptibility, the presence of icaA, IS256, arginine catabolic mobile element (ACME), agr type, and SCCmec type were determined...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27859692/louse-borne-relapsing-fever-in-finland-in-two-asylum-seekers-from-somalia
#5
Jukka Hytönen, Tamim Khawaja, Juha O Grönroos, Anna Jalava, Seppo Meri, Jarmo Oksi
We report two cases of louse-borne relapsing fever (LBRF) in young Somali asylum seekers having recently arrived to Finland. They had sought medical attention for a febrile illness. Blood smears were examined for suspected malaria, but instead, spirochete shaped bacteria were observed. The bacteria were confirmed as Borrelia recurrentis by PCR and sequencing. The patients survived, but their treatment was complicated by Jarisch-Herxheimer reaction. We conclude that LBRF must be considered as a diagnostic option in febrile refugees also in the northernmost parts of Europe...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27859685/cd147-modulates-the-differentiation-of-t-helper-17-cells-in-patients-with-rheumatoid-arthritis
#6
Hui Yang, Jian Wang, Yu Li, Zhen-Jie Yin, Ting-Ting Lv, Ping Zhu, Yan Zhang
The role of CD147 in regulation of rheumatoid arthritis (RA) is not fully elucidated. The aim of this study was to investigate the effect of cell-to-cell contact of activated CD14(+) monocytes with CD4(+) T cells, and the modulatory role of CD147 on T-helper 17 (Th17) cells differentiation in patients with RA. Twenty confirmed active RA patients and twenty normal controls were enrolled. CD4(+) T cells and CD14(+) monocytes were purified by magnetic beads cell sorting. Cells were cultured under different conditions in CD4(+) T cells alone, direct cell-to-cell contact co-culture of CD4(+) and CD14(+) cells, or indirect transwell co-culture of CD4(+) /CD14(+) cells in response to LPS and anti-CD3 stimulation with or without anti-CD147 antibody pretreatments...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27859629/changes-in-ventilatory-capacity-and-pulmonary-gas-exchange-during-systemic-and-pulmonary-inflammation-in-humans
#7
Jacob P Hartmann, Mathis N Mottelson, Ronan M G Berg, Ronni R Plovsing
The exact mechanism linking the systemic inflammatory response associated with sepsis to changes in lung function remains to be determined. In a human experimental model of inflammation, we investigated how acute systemic and local pulmonary inflammation affects ventilatory capacity and pulmonary gas exchange. Fifteen volunteers received Escherichia coli lipopolysaccharide (LPS) intravenously or endobronchially on two different study days. Blood samples were obtained hourly (t = 0-8 h) and spirometry was performed at baseline and after 8 h...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27859623/plasma-cytokines-eotaxin-mip-1%C3%AE-mcp-4-and-vascular-endothelial-growth-factor-in-acute-lower-respiratory-tract-infection
#8
Mette Marie Relster, Anette Holm, Court Pedersen
Major overlaps of clinical characteristics and the limitations of conventional diagnostic tests render the initial diagnosis and clinical management of pulmonary disorders difficult. In this pilot study, we analyzed the predictive value of eotaxin, macrophage inflammatory protein 1 alpha (MIP-1α), monocyte chemoattractant protein 4 (MCP-4), and vascular endothelial growth factor (VEGF) in 40 patients hospitalized with acute lower respiratory tract infections (LRTI). The cytokines contribute to the pathogenesis of several inflammatory respiratory diseases, indicating a potential as markers for LRTI...
November 16, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27807894/fine-needle-aspiration-in-retroperitoneal-lesions
#9
Parikshaa Gupta, Arvind Rajwanshi, Raje Nijhawan, Radhika Srinivasan, Nalini Gupta, Uma Nahar Saikia, Pranab Dey
The retroperitoneal space is a potential space extending from lumbar to the pelvic region, behind the peritoneum. It encloses many vital organs like adrenals, kidneys, ureters, pancreas, aorta and its branches, inferior vena cava and its tributaries and many lymph nodes along with loose connective tissue and fat. The literature regarding role of fine needle aspiration cytology (FNAC) for diagnosis of retroperitoneal lesions as a whole, is exceedingly limited. The present study was conducted to elucidate the spectrum of retroperitoneal lesions and to determine the diagnostic accuracy of fine needle aspiration cytology, presenting to a tertiary care referral centre...
November 2, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27807891/clinicopathological-features-of-primary-diffuse-large-b-cell-lymphoma-of-the-central-nervous-system-strong-ezh2-expression-implying-diagnostic-and-therapeutic-implication
#10
Shuangping Guo, Qingxian Bai, Joseph Rohr, Yingmei Wang, Yang Liu, Kaixuan Zeng, Kangjie Yu, Xiumin Zhang, Zhe Wang
Primary diffuse large B-cell lymphoma of the central nervous system (CNS DLBCL) is a rare entity which is difficult to diagnose and treat. The histone methyltransferase EZH2 was reported to be involved in the tumorigenesis of systemic DLBCL but has not been implicated in primary CNS DLBCL. The clinicopathological features of 33 cases of primary CNS DLBCL and expression of EZH2 and Y641 mutation were assessed. The tumor cells of the majority cases resembled centroblasts, and intriguingly, three cases of rare anaplastic variant were observed...
November 2, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27714844/evaluation-and-subsequent-optimizations-of-the-quantitative-amplisens-florocenosis-bacterial-vaginosis-frt-multiplex-real-time-pcr-assay-for-diagnosis-of-bacterial-vaginosis
#11
Tatiana Rumyantseva, Elena Shipitsyna, Alexander Guschin, Magnus Unemo
Traditional microscopy-based methods for diagnosis of bacterial vaginosis (BV) are underutilized in many settings, and molecular techniques may provide opportunities for rapid, objective, and accurate BV diagnosis. This study evaluated the quantitative AmpliSens Florocenosis/Bacterial vaginosis-FRT multiplex real-time PCR (Florocenosis-BV) assay. Vaginal samples from a previous study including unselected female subjects (n = 163) and using Amsel criteria and 454 pyrosequencing for BV diagnosis were examined with the Florocenosis-BV test and additionally tested for the presence and quantity of Gardnerella vaginalis clades 3 and 4...
October 7, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27714850/detection-and-comparison-of-neuraminidase-activities-in-human-and-bovine-group-b-streptococci
#12
Ismail Hakki Ekin, Kemal Gurturk, Ziya Ilhan, Suat Ekin, Ayse Ebru Borum, Cigdem Arabaci, Abdullah Yesilova
Human and bovine group B streptococcus (GBS) isolates were serotyped and amounts of released N-acetylneuraminic acid from N-acetylneuraminyl-lactose by extracellular neuraminidase were colorimetrically assessed. According to serotyping by co-agglutination method, 30 of bovine GBS and 43 of human GBS could be serotyped (ST) by monospecific antisera coated with protein A. The remaining GBS strains were designated as nontypeable (NT). The released N-acetylneuraminic acid was determined in 90.9% of bovine GBS and 47...
October 6, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27714846/both-high-expression-of-nucleophosmin-b23-and-crm1-predicts-poorer-prognosis-in-human-gastric-cancer
#13
Fang Zhou, Ercheng Chen, Dong You, Yipeng Song, Zhenni Sun, Lu Yue
Nucleophosmin/B23 and CRM1 are molecular markers which play an important role in tumorigenesis and tumor progression in gastric cancer (GC). However, the association between the two remains unclear. This study evaluated the expression and the correlation of B23 and CRM1 in GC. B23 and CRM1 expression in GC and adjacent noncancerous tissues (ANCT) of gastrectomy specimens from 131 GC patients was measured by immunohistochemistry. Positive expression rates of B23 and CRM1 were significantly higher in GC tissues than in ANCT...
October 6, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27704629/fusobacterium-necrophorum-findings-in-denmark-from-2010-to-2014-using-data-from-the-danish-microbiology-database
#14
Steffen Bank, Anders Jensen, Hanne Merete Nielsen, Lena Hagelskjaer Kristensen, Marianne Voldstedlund, Jørgen Prag
Fusobacterium necrophorum findings in Denmark and estimation of the incidence of F. necrophorum bacteraemia was described using data from the nationwide Danish microbiology database (MiBa). All microbiological reports on any Fusobacterium species in Denmark were extracted for a period of 5 years from 2010 to 2014 from MiBa and from the local department of clinical microbiology. The overall incidence of F. necrophorum bacteraemia from 2010 to 2014 was 2.8 cases per million/year vs 9.4 in the age group 15-24 years...
October 5, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27704622/the-human-gastrointestinal-tract-and-oral-microbiota-in-inflammatory-bowel-disease-a-state-of-the-science-review
#15
Rosario Lucas López, María José Grande Burgos, Antonio Gálvez, Rubén Pérez Pulido
Inflammatory bowel disease (IBD) includes a spectrum of diseases from ulcerative colitis (UC) to Crohn's disease (CD). Many studies have addressed the changes in the microbiota of individuals affected by UC and CD. A decrease in biodiversity and depletion of the phyla Bacteroidetes and Firmicutes has been reported, among others. Changes in microbial composition also result in changes in the metabolites generated in the gut from microbial activity that may involve the amount of butyrate and other metabolites such as H2 S being produced...
October 5, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27704605/granulomatous-and-lymphocytic-hypophysitis-are-they-immunologically-distinct
#16
Shilpa Rao, Anita Mahadevan, Tanmoy Maiti, Manish Ranjan, Shivayogi Durgad Shwetha, Arimappamagan Arivazhagan, Jitender Saini
Hypophysitis includes three histopathologically distinct entities - granulomatous, lymphocytic and xanthomatous forms. Etiopathogenesis and the immunological differences among these is not well characterized. This study aims to explore the immunopathogenesis of granulomatous and lymphocytic forms of hypophysitis. Demographic, clinical, endocrine function and radiological features of 33 histologically confirmed cases of hypophysitis were reviewed. Immunophenotyping of inflammatory component was performed in 13/33 cases...
October 5, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27704604/early-implant-associated-osteomyelitis-results-in-a-peri-implanted-bacterial-reservoir
#17
Louise Kruse Jensen, Janne Koch, Bent Aalbaek, Arshnee Moodley, Thomas Bjarnsholt, Kasper Nørskov Kragh, Andreas Petersen, Henrik Elvang Jensen
Implant-associated osteomyelitis (IAO) is a common complication in orthopedic surgery. The aim of this study was to elucidate how deep IAO can go into the peri-implanted bone tissue within a week. The study was performed in a porcine model of IAO. A small steel implant and either 10(4) CFU/kg body weight of Staphylococcus aureus or saline was inserted into the right tibial bone of 12 pigs. The animals were consecutively killed on day 2, 4 and 6 following implantation. Bone tissue around the implant was histologically evaluated...
October 5, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27649840/cip2a-is-a-poor-prognostic-factor-and-can-be-a-diagnostic-marker-in-papillary-thyroid-carcinoma
#18
Ting-Ting Chao, Hung-Chune Maa, Cheng-Yi Wang, Dee Pei, Yao-Jen Liang, Yi-Feng Yang, Shuo-Jiun Chou, Yen-Lin Chen
Papillary thyroid carcinoma (PTC) is the most common type of thyroid carcinoma. CIP2A has recently been described as a prognostic marker in many cancers. In this study, we assessed the value of this novel prognostic marker in PTC. A total of 178 surgical specimens of both benign and malignant thyroid tumors were collected. Immunohistochemical staining for CIP2A, HBME-1, galectin-3, and CK19 was performed. Western blotting for CIP2A was also performed. CIP2A was expressed in 85.3% of malignant tumors and 12...
September 21, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27649643/disseminated-peritoneal-leiomyomatosis-postmorcellated-resection-of-uterine-leiomyomatous-tissue
#19
Miroslav Sekulic, Laura Moench, Saeid Movahedi-Lankarani
In a retrospective review, we identified six cases of disseminated peritoneal leiomyomatosis (DPL) that occurred after resection for uterine leiomyoma(ta) using a morcellation procedure between 2010 and 2016. DPL occurred in less than 1% of all patients who underwent a prior hysterectomy with morcellation, and DPL never occurred without having underwent such a resection. The median age of women at the time of their original resection of uterine tissue was 38.6 years; the median time interval until resection of DPL after the primary morcellation procedure was 73 months and the median age was 48 years...
September 20, 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/27859690/prevalence-and-distribution-of-chlamydia-trachomatis-genovars-in-indian-infertile-patients-a-pilot-study
#20
Jyoti Rawre, Benu Dhawan, Neena Malhotra, Vishnubhatla Sreenivas, Shobha Broor, Rama Chaudhry
To determine the prevalence and distribution of Chlamydia trachomatis genovars in patients with infertility by PCR-RFLP and ompA gene sequencing. Prevalence of other etiological agents (viz., Ureaplasma spp. and Mycoplasma hominis) were also assessed. Endocervical swabs were collected from 477 women and urine was collected from 151 men attending the Infertility Clinic. The samples were screened for C. trachomatis by cryptic plasmid, ompA gene and nested ompA gene PCR. Genotyping was performed by PCR-RFLP and sequencing...
December 2016: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
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