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https://www.readbyqxmd.com/read/28409358/added-value-of-gadoxetic-acid-enhanced-t1-weighted-magnetic-resonance-cholangiography-for-the-diagnosis-of-post-transplant-biliary-complications
#1
Sonja Kinner, Tilman B Schubert, Adnan Said, Joshua D Mezrich, Scott B Reeder
OBJECTIVES: Biliary complications after liver transplantation (LT) are common. This study aimed to ascertain the value of gadoxetic acid-enhanced T1-weighted (T1w) magnetic resonance cholangiography (MRC) to evaluate anastomotic strictures (AS), non-anastomotic strictures (NAS) and biliary casts (BC). METHODS: Sixty liver-transplanted patients with suspicion of biliary complications and T2w-MRCP and T1w-MRC followed by endoscopic retrograde cholangiopancreatography (ERCP) or percutaneous transhepatic cholangiography (PTC) were analysed...
April 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28398710/additional-values-of-high-resolution-gadoxetic-acid-enhanced-mr-cholangiography-for-evaluating-the-biliary-anatomy-of-living-liver-donors-comparison-with-t2-weighted-mr-cholangiography-and-conventional-gadoxetic-acid-enhanced-mr-cholangiography
#2
Hyo-Jin Kang, Jeong Min Lee, Jeong Hee Yoon, Ijin Joo, Won Chang, Kyung-Suk Suh, Kwang-Woong Lee, Nam-Joon Yi, Joon Koo Han
PURPOSE: To determine the incremental value of small field of view (sFOV) high-resolution (HR) gadoxetic acid-enhanced 3D T1 -weighted (W) magnetic resonance cholangiography (MRC) for evaluating the biliary anatomy of potential living donors by comparing it to T2 W-MRC. MATERIALS AND METHODS: In all, 73 living donor candidates underwent gadoxetic acid-enhanced MRI (3.0T) including three kinds of MRCs: 3D multislice T2 W-MRC, regular FOV (rFOV) (380 × 380mm, resolution 1...
April 11, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28391627/designing-implementing-and-assessing-a-new-formative-osce-for-ent-higher-surgical-trainees-our-experience-in-the-north-west-region
#3
Sadie Khwaja, Nadeem Khwaja, Nirmal Kumar, Nicola Stobbs
Currently Otolaryngology trainees have a six or seven year gap between formal summative assessments, which comprise of the Membership of the Royal College if Surgeons exams (MRCS) during core training and the Fellowship of the Royal Colleges of Surgeons exams (FRCS) at the end of higher surgical training. In between these examinations, trainees undergo formative Work-Place Based Assessments (WPBA) and a summative Annual Review of Competency and Progression (ARCP) however there are no other tests or formal assessments of knowledge and skills to ensure that they are developing and progressing at the required rate...
April 9, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28293055/isolated-talonavicular-joint-tuberculosis-in-a-child-rare-location-of-koch-s-bacillus-a-case-report
#4
Mohd Faizan, Latif Z Jilani, Mrcs Saifullah Khalid, Mazhar Abbas, Dilshad Anwar
Tuberculosis of the foot is an uncommon entity and the reported incidence is 0.1% to 0.3%. The isolated tuberculosis of talonavicular joint is exceptionally rare. In tuberculosis of the foot and ankle, the presentation is usually nonspecific. The diagnosis of tuberculosis affecting foot is difficult, especially when it is isolated. In doubtful cases, diagnosis should be confirmed by histopathological examination. Unlike pulmonary Kochs, osteoarticular tuberculosis should be treated with antituberculous drugs for a longer duration, preferably for 18 months...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28131800/changing-objective-structured-clinical-examinations-stations-at-lunchtime-during-all-day-postgraduate-surgery-examinations-improves-examiner-morale-and-stress
#5
Peter A Brennan, Duncan S Scrimgeour, Sheena Patel, Roshnee Patel, Gareth Griffiths, David T Croke, Lee Smith, Richard Arnett
BACKGROUND: Human factors are important causes of error, but little is known about their possible effect during objective structured clinical examinations (OSCE). We have previously identified stress and pressure in OSCE examiners in the postgraduate intercollegiate Membership of the Royal College of Surgeons (MRCS) examination. After modifying examination delivery by changing OSCE stations at lunchtime with no demonstrable effect on candidate outcome, we resurveyed examiners to ascertain whether examiner experience was improved...
January 25, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28073438/individual-based-modelling-of-the-development-and-transport-of-a-karenia-mikimotoi-bloom-on-the-north-west-european-continental-shelf
#6
P A Gillibrand, B Siemering, P I Miller, K Davidson
In 2006, a large and prolonged bloom of the dinoflagellate Karenia mikimotoi occurred in Scottish coastal waters, causing extensive mortalities of benthic organisms including annelids and molluscs and some species of fish (Davidson et al., 2009). A coupled hydrodynamic-algal transport model was developed to track the progression of the bloom around the Scottish coast during June-September 2006 and hence investigate the processes controlling the bloom dynamics. Within this individual-based model, cells were capable of growth, mortality and phototaxis and were transported by physical processes of advection and turbulent diffusion, using current velocities extracted from operational simulations of the MRCS ocean circulation model of the North-west European continental shelf...
March 2016: Harmful Algae
https://www.readbyqxmd.com/read/27983822/measuring-biotic-ligand-model-blm-parameters-in-vitro-copper-and-silver-binding-to-rainbow-trout-gill-cells-as-cultured-epithelia-or-in-suspension
#7
D Scott Smith, Christopher A Cooper, Chris M Wood
Biotic ligand models (BLMs) for metals are useful for risk assessment. The modeling of metal complexation by the biotic ligand has received little attention relative to the modeling of organic and inorganic complexation of metals in solution. We used ion selective electrodes (ISEs) to directly characterize copper and silver binding to rainbow trout gill cells, either as cultured reconstructed epithelia, or dispersed in suspension. Preparations were composed of pavement cells (PVCs) alone or mixtures of PVCs (≈85%) and mitochondria-rich cells (MRCs, ≈15%)...
January 10, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/27818348/evaluation-of-the-tobacco-heating-system-2-2-part-6-90-day-oecd-413-rat-inhalation-study-with-systems-toxicology-endpoints-demonstrates-reduced-exposure-effects-of-a-mentholated-version-compared-with-mentholated-and-non-mentholated-cigarette-smoke
#8
COMPARATIVE STUDY
Alberto Oviedo, Stefan Lebrun, Ulrike Kogel, Jenny Ho, Wei Teck Tan, Bjoern Titz, Patrice Leroy, Gregory Vuillaume, Monali Bera, Florian Martin, Gregory Rodrigo, Marco Esposito, Ruth Dempsey, Nikolai V Ivanov, Julia Hoeng, Manuel C Peitsch, Patrick Vanscheeuwijck
The toxicity of a mentholated version of the Tobacco Heating System (THS2.2M), a candidate modified risk tobacco product (MRTP), was characterized in a 90-day OECD inhalation study. Differential gene and protein expression analysis of nasal epithelium and lung tissue was also performed to record exposure effects at the molecular level. Rats were exposed to filtered air (sham), to THS2.2M (at 15, 23 and 50 μg nicotine/l), to two mentholated reference cigarettes (MRC) (at 23 μg nicotine/l), or to the 3R4F reference cigarette (at 23 μg nicotine/l)...
November 30, 2016: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/27789304/long-term-follow-up-of-median-raphe-cysts-and-parameatal-urethral-cysts-in-male-children
#9
Satoko Matsuyama, Futoshi Matsui, Koji Yazawa, Fumi Matsumoto, Kenji Shimada, Keiko Matsuoka
OBJECTIVE: To clarify the long-term outcome of median raphe cysts (MRCs) and parameatal urethral cysts (PUCs) in males, the clinical, anatomical, and histological findings of these cysts are described, along with treatment and follow-up. MATERIALS AND METHODS: Forty-six children diagnosed with PUCs and 23 children with MRCs at our institute during the past 14 years were retrospectively reviewed. The indications for surgery were symptoms or family preference. Telephone interviews of the parents or patients were conducted to ascertain the current condition of the cyst at a median age of 12...
October 24, 2016: Urology
https://www.readbyqxmd.com/read/27695518/transgenerational-effects-persist-down-the-maternal-line-in-marine-sticklebacks-gene-expression-matches-physiology-in-a-warming-ocean
#10
Lisa N S Shama, Felix C Mark, Anneli Strobel, Ana Lokmer, Uwe John, K Mathias Wegner
Transgenerational effects can buffer populations against environmental change, yet little is known about underlying mechanisms, their persistence or the influence of environmental cue timing. We investigated mitochondrial respiratory capacity (MRC) and gene expression of marine sticklebacks that experienced acute or developmental acclimation to simulated ocean warming (21°C) across three generations. Previous work showed that acute acclimation of grandmothers to 21°C led to lower (optimized) offspring MRCs...
October 2016: Evolutionary Applications
https://www.readbyqxmd.com/read/27604178/collagenvi-cre-mice-a-new-tool-to-target-stromal-cells-in-secondary-lymphoid-organs
#11
Alejandro Prados, George Kollias, Vasiliki Koliaraki
Stromal cells in secondary lymphoid organs (SLOs) are non-hematopoietic cells involved in the regulation of adaptive immune responses. Three major stromal populations have been identified in adult SLOs: fibroblastic reticular cells (FRCs), follicular dendritic cells (FDCs) and marginal reticular cells (MRCs). The properties of these individual populations are not clearly defined, mainly due to the lack of appropriate genetic tools, especially for MRCs. Here, we analyzed stromal cell targeting in SLOs from a transgenic mouse strain that expresses Cre recombinase under the CollagenVI promoter, using lineage tracing approaches...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27455668/magnetically-recyclable-fe3o4-his-cu-nanocatalyst-for-degradation-of-azo-dyes
#12
U Kurtan, Md Amir, A Baykal, H Sözeri, M S Toprak
Fe3O4@His@Cu magnetic recyclable nanocatalyst (MRCs) was synthesized by reflux method using L-histidine as linker. The composition, structure and magnetic property of the product were characterized by X-ray powder diffraction (XRD), Scanning electron microscopy (SEM), Fourier Transform infrared spectroscopy (FT-IR) and vibrating sample magnetometry (VSM). Powder XRD, FT-IR and EDAX results confirmed that the as-synthesized products has Fe3O4 with spinel structure and Cu nanoparticles with moderate crystallinity without any other impurities...
March 2016: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/27437298/penile-epidermal-cyst-a-case-report
#13
Veerapandian Kumaraguru, Ravi Prabhu, Narayanasamy Subbaraju Kannan
Epidermal cysts also known as epidermoid cysts, is one of the common benign tumours presenting anywhere in the body. However, epidermal cyst in the penis is very rare. This condition in children is usually congenital due to abnormal embryologic closure of the median raphe; hence, it is termed as median raphe cysts (MRCs). Penile epidermal cysts may occur in adults following trauma or surgery due to epidermal elements being trapped within closed space. During wound healing, trapped squamous epithelium, undergoing keratinisation leads to cyst formation...
May 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27376182/outcomes-of-immediate-allograft-reconstruction-of-long-span-defects-of-the-inferior-alveolar-nerve
#14
David Salomon, Michael Miloro, Antonia Kolokythas
PURPOSE: Contemporary management of ablative jaw defects includes not only hard and soft tissue reconstruction, but also restoration of neurosensory function. The goal of this study was to determine the outcomes of immediate reconstruction of long-span defects (≥50 mm) of the inferior alveolar nerve (IAN) after ablative mandibular resection using allogeneic nerve grafts. MATERIALS AND METHODS: A retrospective cohort study of patients who underwent immediate reconstruction of IAN gaps of at least 50 mm with allogeneic nerve graft (AxoGen Avance, Alachua, FL) at a single academic medical center by a single surgeon (M...
December 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27307370/a-compelling-new-diagnostic-option-for-identification-of-orthopaedic-infections-commentary-on-an-article-by-m-c-wyatt-bsc-hons-mbchb-mrcs-ed-fracs-tr-orth-et-al-the-alpha-defensin-immunoassay-and-leukocyte-esterase-colorimetric-strip-test-for-the-diagnosis
#15
COMMENT
https://www.readbyqxmd.com/read/27271330/numerical-research-on-the-anisotropic-transport-of-thermal-neutron-in-heterogeneous-porous-media-with-micron-x-ray-computed-tomography
#16
Yong Wang, Wenzheng Yue, Mo Zhang
The anisotropic transport of thermal neutron in heterogeneous porous media is of great research interests in many fields. In this paper, it is the first time that a new model based on micron X-ray computed tomography (CT) has been proposed to simultaneously consider both the separation of matrix and pore and the distribution of mineral components. We apply the Monte Carlo method to simulate thermal neutrons transporting through the model along different directions, and meanwhile detect those unreacted thermal neutrons by an array detector on the other side of the model...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27098331/metal-on-metal-testing-to-salvage-a-device-disaster-commentary-on-an-article-by-gulraj-s-matharu-bsc-hons-mbchb-mrcs-mres-et-al-the-effectiveness-of-blood-metal-ions-in-identifying-patients-with-unilateral-birmingham-hip-resurfacing-and-corail-pinnacle-metal
#17
COMMENT
https://www.readbyqxmd.com/read/27062361/mr-norman-alan-green-mb-bs-1950-ms-1964-mrcs-lrcp-1950-frcs-1954-frcsed-1990-2nd-july-1927-4th-may-2015-an-appreciation-by-stuart-w-mcdonald
#18
https://www.readbyqxmd.com/read/26780219/the-potential-role-of-polyamines-in-gill-epithelial-remodeling-during-extreme-hypoosmotic-challenges-in-the-gulf-killifish-fundulus-grandis
#19
COMPARATIVE STUDY
Ying Guan, Guo-Xia Zhang, Shujun Zhang, Beau Domangue, Fernando Galvez
Polyamines are a family of low molecular weight organic cations produced in part by the coordinated actions of arginase II (Arg II) and ornithine decarboxylase (Odc). Although gill polyamine homeostasis is affected by acute transfer to fresh water, little is known of its function in fish osmoregulation. The current study investigated the role of polyamines in the compensatory response of hypoosmotic challenge in the euryhaline fish, Fundulus grandis. Adult F. grandis were acclimated to 5 ppt water, transferred abruptly to 5, 2, 1, 0...
April 2016: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/26691432/william-cooke-md-mrcs-1785-1873-general-practitioner-founder-of-the-hunterian-society-and-deacon-of-the-congregational-church
#20
Peter Selley
Farmer's son William Cooke completed his medical training at Barts before embarking on a 60-year career as a general practitioner in and around London. In 1819, he was a co-founder, and for 20 years secretary, of the Hunterian Society which continues to provide education to its members. He was the author of several books where his views on the importance of post-mortem examinations and the interrelationships of body and mind in disease were discussed. He was a prominent non-conformist and became a deacon in the Congregational Church...
December 21, 2015: Journal of Medical Biography
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