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https://www.readbyqxmd.com/read/28549033/estrogen-receptor-progesterone-receptor-and-human-epidermal-growth-factor-receptor-2-testing-in-breast-cancer-assessing-the-value-of-repeated-centralized-testing-in-excision-specimens
#1
Nosaibah Hariri, Farnaz Hasteh, Vighnesh Walavalkar, Andres A Roma, Oluwole Fadare
At some tertiary breast care centers, where many patients are referred from other institutions, it is routine to repeat testing for estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor-2 (HER2/neu) in excision specimens if these tests were performed on the preceding biopsy at the referring facility. The goal of this study is to assess the value of this practice. We documented results from ER, PR, and HER2 testing in 541 consecutive invasive breast cancers excised over a 2...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28547563/poor-adherence-to-national-clinical-management-guidelines-a-population-based-cross-sectional-study-of-the-surgical-management-of-melanoma-in-new-south-wales-australia
#2
Alexander H R Varey, Christine M Madronio, Anne E Cust, Chris Goumas, Graham J Mann, Bruce K Armstrong, Richard A Scolyer, Austin M Curtin, John F Thompson
BACKGROUND: Standardization of the clinical management of melanoma through the formulation of national guidelines, based on interpretation of the existing evidence and consensus expert opinion, seeks to improve quality of care; however, adherence to national guidelines has not been well studied. METHODS: A population-based, cross-sectional study of the clinical management of all patients with newly notified primary melanomas in the state of New South Wales, Australia, during 2006/2007 was conducted using cancer registry identification and questionnaires completed by treating physicians...
May 25, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28544184/did-some-red-alga-derived-plastids-evolve-via-kleptoplastidy-a-hypothesis
#3
Andrzej Bodył
The evolution of plastids has a complex and still unresolved history. These organelles originated from a cyanobacterium via primary endosymbiosis, resulting in three eukaryotic lineages: glaucophytes, red algae, and green plants. The red and green algal plastids then spread via eukaryote-eukaryote endosymbioses, known as secondary and tertiary symbioses, to numerous heterotrophic protist lineages. The number of these horizontal plastid transfers, especially in the case of red alga-derived plastids, remains controversial...
May 23, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28543797/simultaneous-use-of-linear-and-nonlinear-gradients-for-b1-inhomogeneity-correction
#4
Koray Ertan, Ergin Atalar
The simultaneous use of linear spatial encoding magnetic fields (L-SEMs) and nonlinear spatial encoding magnetic fields (N-SEMs) in B1(+) inhomogeneity problems is formulated and demonstrated with both simulations and experiments. Independent excitation k-space variables for N-SEMs are formulated for the simultaneous use of L-SEMs and N-SEMs by assuming a small tip angle. The formulation shows that, when N-SEMs are considered as an independent excitation k-space variable, numerous different k-space trajectories and frequency weightings differing in dimension, length, and energy can be designed for a given target transverse magnetization distribution...
May 25, 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28542053/monopoly-airplane-lands-in-esophagus-leading-to-difficult-extraction-a-case-report-on-anesthesia-and-surgical-considerations
#5
Clyde T Matava, Gaston Echaniz, William Parkes, Blake C Papsin, Evan J Propst, Sharon L Cushing
A 2-year-old child presented with an airplane game piece from the board game Monopoly lodged in her esophagus. The airplane's wings, engines, and winglets acted like fish hooks that entered the esophageal mucosa easily but were difficult to extract. Chest radiographs were used to estimate the airplane wingspan dimensions, and a Foley catheter was used to dilate the esophagus to allow foreign body extraction via rigid esophagoscopy with optical forceps. Deliberate deep placement of the endotracheal tube facilitated surgical manipulation...
May 23, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28540973/pancreatic-neuroendocrine-neoplasms-management-guidelines-recommended-by-the-polish-network-of-neuroendocrine-tumours
#6
Beata Kos-Kudła, Violetta Rosiek, Małgorzata Borowska, Agata Bałdys-Waligórska, Tomasz Bednarczuk, Jolanta Blicharz-Dorniak, Marek Bolanowski, Agnieszka Boratyn-Nowicka, Andrzej Cichocki, Jarosław B Ćwikła, Massimo Falconi, Wanda Foltyn, Foltyn Handkiewicz-Junak, Alicja Hubalewska-Dydejczyk, Barbara Jarząb, Michał Jarząb, Roman Junik, Dariusz Kajdaniuk, Grzegorz Kamiński, Agnieszka Kolasińska-Ćwikła, Aldona Kowalska, Robert Król, Leszek Królicki, Jolanta Kunikowska, Katarzyna Kuśnierz, Paweł Lampe, Dariusz Lange, Anna Lewczuk-Myślicka, Andrzej Lewiński, Michał Lipiński, Magdalena Londzin-Olesik, Bogdan Marek, Anna Nasierowska-Guttmejer, Ewa Nowakowska-Duława, Joanna Pilch-Kowalczyk, Marek Ruchała, Lucyna Siemińska, Anna Sowa-Staszczak, Teresa Starzyńska, Katarzyna Steinhof-Radwańska, Janusz Strzelczyk, Krzysztof Sworczak, Anhelli Syrenicz, Andrzej Szawłowski, Marek Szczepkowski, Ewa Wachuła, Wojciech Zajęcki, Anna Zemczak, Wojciech Zgliczyński
This article presents updated diagnostic and therapeutic guidelines for the management of pancreatic neuroendocrine tumours (PNEN), proposed by the Polish Network of Neuroendocrine Tumours. The guidelines contain new data received in the years 2013-2016, which confirm previous recommendations, and have led to modification of previous guidelines or have resulted in the formulation of new guidelines. Biochemical and imaging (anatomical and functional) tests are of great importance in diagnostics, as well as histopathological diagnosis to determine the management of PNEN patients, but they must be confirmed by an immunohistochemical examination...
2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28540121/comprehensive-preoperative-staging-system-for-endoscopic-single-and-multicorridor-approaches-to-juvenile-nasal-angiofibromas
#7
Trichy N Janakiram, Shilpee B Sharma, Ekkehard Kasper, Onkar Deshmukh, Iype Cherian
BACKGROUND: Juvenile nasal angiofibromas (JNA) is a benign lesion with high vascularity and propensity of bone erosion leading to skull base invasion and intracranial extension. It is known to involve multiple compartments, which are often surgically difficult to access. With evolution in surgical expertise and technical innovations, endoscopic and endoscopic-assisted management has become the preferred choice of surgical management. Over the last four decades, various staging systems have been proposed, which are largely based on the extent of nasal angiofibroma...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28535955/fracture-resistance-of-molar-teeth-with-mesial-occlusal-distal-mod-restorations
#8
Herzl Chai, Brian R Lawn
OBJECTIVE: Filled MOD restorations show near-complete recovery of tooth strength relative to the newly prepared, unfilled state. The present study examines the underlying mechanics of this recovery by more closely quantifying the mode of splitting fracture from the cavity base. By understanding the role of specific cavity dimensions on fracture resistance, useful clinical guidelines concerning MOD morphologies are formulated. METHODS: A systematic in vitro study is made of the load-bearing capacity of filled and unfilled MOD cavities by axially loading extracted molar teeth with a hard metal ball...
May 20, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28535721/short-and-long-term-management-of-an-acute-pustular-psoriasis-flare-a-case-report
#9
Jorge R Georgakopoulos, Arvin Ighani, Jensen Yeung
BACKGROUND: Generalised pustular psoriasis (GPP) and acrodermatitis continua of Hallopeau (ACH) are chronic, relapsing variants of pustular psoriasis proven to be remarkably challenging to treat. Due to their uncommon presentation, there are few described cases in literature and scarce evidence for management. Further information is needed to help dermatologists formulate treatment plans for patients presenting with such diseases. CASE SUMMARY: We report the case of a 68-year-old man with a 3-year history of psoriasis presenting to our clinic with a severe breakout of GPP and associated ACH...
May 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28535115/use-of-naloxone-nasal-spray-4%C3%A2-mg-in-the-community-setting-a-survey-of-use-by-community-organizations
#10
George K Avetian, Phillip Fiuty, Silvana Mazzella, Dave Koppa, Vivian Heye, Pratibha Hebbar
OBJECTIVE: Naloxone hydrochloride, an opioid antagonist, has been approved as a concentrated 4-mg dose intranasal formulation for the emergency treatment of known or suspected opioid overdose. This new formulation is easier to use and contains a higher dose of naloxone compared with earlier, unapproved kits. A survey of first responders and community-based organizations was conducted to understand initial real-world experiences with this new formulation for opioid overdose reversal. METHODS: In August 2016, 152 US organizations known to have received units of the approved 4-mg dose/unit naloxone nasal spray (NARCAN® Nasal Spray 4 mg [NNS]; Adapt Pharma, Inc...
May 23, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28534476/effect-of-short-message-service-on-management-of-pulmonary-tuberculosis-patients-in-anhui-province-china-a-prospective-randomized-controlled-study
#11
Xue-Hui Fang, Shi-Yang Guan, Li Tang, Fang-Biao Tao, Zheng Zou, Ji-Xiang Wang, Xiao-Hong Kan, Quan-Zhi Wang, Zhi-Ping Zhang, Hong Cao, Dong-Chun Ma, Hai-Feng Pan
BACKGROUND To explore the significance of short message service (SMS) on the management of pulmonary tuberculosis (TB) patients in reinforcing the treatment adherence and health awareness, and provide scientific evidences for popularizing this model and formulating related polices and measures. MATERIAL AND METHODS Six counties (districts) were selected by stratified cluster sampling method, and randomly divided into control group and intervention group. Pulmonary TB patients eligible to the study criteria were included in the study...
May 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28533751/docetaxel-loaded-nanoparticles-assembled-from-%C3%AE-cyclodextrin-calixarene-giant-surfactants-physicochemical-properties-and-cytotoxic-effect-in-prostate-cancer-and-glioblastoma-cells
#12
Laura Gallego-Yerga, Inmaculada Posadas, Cristina de la Torre, Jesús Ruiz-Almansa, Francesco Sansone, Carmen Ortiz Mellet, Alessandro Casnati, José M García Fernández, Valentín Ceña
Giant amphiphiles encompassing a hydrophilic β-cyclodextrin (βCD) component and a hydrophobic calix[4]arene (CA4) module undergo self-assembly in aqueous media to afford core-shell nanospheres or nanocapsules, depending on the nanoprecipitation protocol, with high docetaxel (DTX) loading capacity. The blank and loaded nanoparticles have been fully characterized by dynamic light scattering (DLS), ζ-potential measurements and cryo-transmission electron microscopy (cryo-TEM). The data are compatible with the distribution of the drug between the nanoparticle core and the shell, where it is probably anchored by inclusion of the DTX aromatic moieties in βCD cavities...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28533506/the-correlation-theory-of-the-chemical-bond
#13
Szilárd Szalay, Gergely Barcza, Tibor Szilvási, Libor Veis, Örs Legeza
The quantum mechanical description of the chemical bond is generally given in terms of delocalized bonding orbitals, or, alternatively, in terms of correlations of occupations of localised orbitals. However, in the latter case, multiorbital correlations were treated only in terms of two-orbital correlations, although the structure of multiorbital correlations is far richer; and, in the case of bonds established by more than two electrons, multiorbital correlations represent a more natural point of view. Here, for the first time, we introduce the true multiorbital correlation theory, consisting of a framework for handling the structure of multiorbital correlations, a toolbox of true multiorbital correlation measures, and the formulation of the multiorbital correlation clustering, together with an algorithm for obtaining that...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28532899/nanodiamond-based-injectable-hydrogel-for-sustained-growth-factor-release-preparation-characterization-and-in-vitro-analysis
#14
Settimio Pacelli, Francisca Acosta, Aparna R Chakravarti, Saheli G Samanta, Jonathan Whitlow, Saman Modaresi, Rafeeq P H Ahmed, Johnson Rajasingh, Arghya Paul
Nanodiamonds (NDs) represent an emerging class of carbon nanomaterials that possess favorable physical and chemical properties to be used as multifunctional carriers for a variety of bioactive molecules. Here we report the synthesis and characterization of a new injectable ND-based nanocomposite hydrogel which facilitates a controlled release of therapeutic molecules for regenerative applications. In particular, we have formulated a thermosensitive hydrogel using gelatin, chitosan and NDs that provides a sustained release of exogenous human vascular endothelial growth factor (VEGF) for wound healing applications...
May 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28532303/in-the-eye-of-the-beholder-to-make-global-health-estimates-useful-make-them-more-socially-robust
#15
Elizabeth Pisani, Maarten Kok
A plethora of new development goals and funding institutions have greatly increased the demand for internationally comparable health estimates in recent years, and have brought important new players into the field of health estimate production. These changes have rekindled debates about the validity and legitimacy of global health estimates. This paper draws on country case studies and personal experience to support our opinion that the production and use of estimates are deeply embedded in specific social, economic, political and ideational contexts, which differ at different levels of the global health architecture...
January 2017: Global Health Action
https://www.readbyqxmd.com/read/28530192/preparation-structural-characterisation-and-release-study-of-novel-hybrid-microspheres-entrapping-nanoselenium-produced-by-green-synthesis
#16
Simona Cavalu, Jόszef Prokisch, Vasile Laslo, Simona Vicas
The main goal of this study was to synthesise and characterise different formulations based on alginate and alginate/chitosan microspheres containing nanoselenium (nano-Se) for controlled delivery applications. Nanosize elemental selenium was produced by using probiotic yogurt bacteria (Lactobacillus casei) in a fermentation procedure. The structural and morphological characterisation of the microspheres was performed by Fourier transform infrared (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM) analysis...
June 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28530116/autism-and-attachment-difficulties-overlap-of-symptoms-implications-and-innovative-solutions
#17
Rebecca McKenzie, Rudi Dallos
This article explores overlap of symptoms between autism and attachment difficulties and suggests innovative solutions based on formulation. Currently, clinicians express difficulties in differentiating between these conditions contributing to misdiagnosis. Research into the prevalence of attachment difficulties among children with autism often fails to reflect detailed knowledge of attachment theory. Consequently, studies in this area employ questionable modifications to attachment measures and methods of analysis...
May 1, 2017: Clinical Child Psychology and Psychiatry
https://www.readbyqxmd.com/read/28527831/different-efficacy-of-inhaled-and-oral-medications-in-pulmonary-hypertension
#18
Batool J AbuHalimeh, Joseph G Parambil, Adriano R Tonelli
Pulmonary arterial hypertension (PAH) is progressive disorder characterized by elevated pulmonary vascular resistance that can lead to right heart failure and death. One of the main therapeutic options for PAH are medications targeting the prostacyclin pathway. Treprostinil is a prostacyclin analogue and selexipag is a selective IP receptor agonist. Treprostinil can be delivered by a variety of routes including oral, inhaled, subcutaneous and intravenous. Selexipag is currently approved as an oral formulation...
May 17, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28527449/correlated-matrix-fluctuation-mediated-activated-transport-of-dilute-penetrants-in-glass-forming-liquids-and-suspensions
#19
Rui Zhang, Kenneth S Schweizer
We formulate a microscopic, force-level statistical mechanical theory for the activated diffusion of dilute penetrants in dense liquids, colloidal suspensions, and glasses. The approach explicitly and self-consistently accounts for coupling between penetrant hopping and matrix dynamic displacements that actively facilitate the hopping event. The key new ideas involve two mechanistically (at a stochastic trajectory level) coupled dynamic free energy functions for the matrix and spherical penetrant particles...
May 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28523180/primary-atypical-carcinoid-tumor-of-the-mediastinum-a-very-rare-finding
#20
Luigi Ventura, Letizia Gnetti, Enrico Maria Silini, Guido Rindi, Paolo Carbognani, Michele Rusca, Luca Ampollini
Primary neuroendocrine tumors (NETs) of the mediastinum are very rare. Prognosis is usually poor despite treatment options. We present the case of a primary atypical carcinoid tumor of the mediastinum successfully treated by multimodal approach. A 50-year-old man presented for asthenia, dyspnea, and substernal sense of weight for two weeks. A chest-CT scan revealed a tumor mass of 107×55×95 mm(3) localized in the anterosuperior mediastinum compressing both brachiocephalic veins, the superior vena cava, the pericardium, and lungs...
April 2017: Journal of Thoracic Disease
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