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https://www.readbyqxmd.com/read/28212121/identification-and-evaluation-of-clinically-significant-prostate-cancer-a-step-towards-personalized-diagnosis
#1
Adnan Ali, Alexander Hoyle, Esther Baena, Noel W Clarke
PURPOSE OF REVIEW: Prostate cancer (PCa) diagnostics are evolving rapidly. The quest to differentiate 'clinically significant' from 'clinically insignificant' disease has gathered momentum, leading to substantial change in traditional diagnostic approaches. Herein, we review the relevant information on currently available biomarkers and assess their ability to help physicians and patients in making a shared and personalized decision based on their individual risk of harbouring clinically significant disease...
February 16, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28212104/joint-feature-selection-and-classification-for-multilabel-learning
#2
Jun Huang, Guorong Li, Qingming Huang, Xindong Wu
Multilabel learning deals with examples having multiple class labels simultaneously. It has been applied to a variety of applications, such as text categorization and image annotation. A large number of algorithms have been proposed for multilabel learning, most of which concentrate on multilabel classification problems and only a few of them are feature selection algorithms. Current multilabel classification models are mainly built on a single data representation composed of all the features which are shared by all the class labels...
February 14, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28210381/practical-and-sustainable-teledermatology-and-teledermatopathology-specialty-care-in-cameroon-africa
#3
Anne Nguyen, Donna Tran, Mason Uemura, Richard L Bardin, Paul K Shitabata
Teledermatology is a rapidly expanding niche within telemedicine still in its infancy. It has become increasingly more feasible in recent years with the expansion of information and communication technologies. Here, the authors present the details of their collaboration and propose a model for constructing a teledermatology network. In the year 2014, the authors' Dermatopathology institute in Torrance, California, partnered with Mbingo Baptist Hospital, a tertiary referral center in Cameroon, Africa. During this time, 145 cases were received...
January 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28209059/phase-behavior-of-aqueous-suspension-of-laponite-new-insights-with-microscopic-evidence
#4
Shweta Jatav, Yogesh M Joshi
Investigating microstructure of suspensions with particles having anisotropic shape that share complex interactions is a challenging task leading to competing claims. This work investigates phase behavior of one such system: aqueous Laponite suspension, which is highly contested in the literature, using rheological and microscopic tools. Remarkably, we observe that over a broad range of Laponite (1.4 to 4 weight %) and salt concentrations (0 to 7 mM), the system overwhelmingly demonstrates all the rheological characteristics of the sol-gel transition leading to a percolated network...
February 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28207670/feasibility-study-of-utilization-of-action-camera-gopro-hero-4-google-glass-and-panasonic-hx-a100-in-spine-surgery
#5
Chang Kyu Lee, Youngjun Kim, Nam Lee, Byeongwoo Kim, Doyoung Kim, Seong Yi
STUDY DESIGN: Study for feasibility of commercially available action cameras in recording video of spine. OBJECTIVE: Recent innovation of the wearable action camera with high-definition video recording enables surgeons to use camera in the operation at ease without high costs. The purpose of this study is to compare the feasibility, safety, and efficacy of commercially available action cameras in recording video of spine surgery. SUMMARY OF BACKGROUND DATA: There are early reports of medical professionals using Google Glass throughout the hospital, Panasonic HX-A100 action camera, and GoPro...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28205245/the-use-of-near-infrared-fluorescence-imaging-in-endocrine-surgical-procedures
#6
Bora Kahramangil, Eren Berber
Near-infrared fluorescence imaging in endocrine surgery is a new, yet highly investigated area. It involves indocyanine green use as well as parathyroid autofluorescence. Several groups have described their technique and reported on the observed utility. However, there is no consensus on technical details. Furthermore, the correlation between intraoperative findings and postoperative outcomes is unclear. With this study, we aim to review the current literature on fluorescence imaging and share our insights on technical details...
February 15, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28203363/an-exploratory-factor-analysis-of-the-spontaneous-reporting-of-severe-cutaneous-adverse-reactions
#7
Manfred Hauben, Eric Hung, Wen-Yaw Hsieh
BACKGROUND: Severe cutaneous adverse reactions (SCARs) are prominent in pharmacovigilance (PhV). They have some commonalities such as nonimmediate nature and T-cell mediation and rare overlap syndromes have been documented, most commonly involving acute generalized exanthematous pustulosis (AGEP) and drug rash with eosinophilia and systemic symptoms (DRESS), and DRESS and toxic epidermal necrolysis (TEN). However, they display diverse clinical phenotypes and variations in specific T-cell immune response profiles, plus some specific genotype-phenotype associations...
January 2017: Therapeutic Advances in Drug Safety
https://www.readbyqxmd.com/read/28199219/clinical-applications-of-near-infrared-diffuse-correlation-spectroscopy-and-tomography-for-tissue-blood-flow-monitoring-and-imaging
#8
Yu Shang, Ting Li, Guoqiang Yu
Near-infrared (NIR) light enables the deep tissue investigation of microvascular hemodynamics. Blood flow is one such available observable promoting a wealth of physiological insight both individually and in combination with other metrics. Diffuse correlation spectroscopy (DCS) and, to a lesser extent, diffuse correlation tomography (DCT), have received interest over the past two decades as noninvasive methods for tissue blood flow measurement and imaging. DCS employs coherent point-illumination NIR light to penetrate deep tissues and commonly uses avalanche photodiodes to detect temporal speckle fluctuations of the diffuse light in a single speckle area of tissue surface, which are sensitive to the motions of red blood cells in the microvasculature of the detected tissue volume...
February 15, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28195576/the-mole-mapper-study-mobile-phone-skin-imaging-and-melanoma-risk-data-collected-using-researchkit
#9
Dan E Webster, Christine Suver, Megan Doerr, Erin Mounts, Lisa Domenico, Tracy Petrie, Sancy A Leachman, Andrew D Trister, Brian M Bot
Sensor-embedded phones are an emerging facilitator for participant-driven research studies. Skin cancer research is particularly amenable to this approach, as phone cameras enable self-examination and documentation of mole abnormalities that may signal a progression towards melanoma. Aggregation and open sharing of this participant-collected data can be foundational for research and the development of early cancer detection tools. Here we describe data from Mole Mapper, an iPhone-based observational study built using the Apple ResearchKit framework...
February 14, 2017: Scientific Data
https://www.readbyqxmd.com/read/28194495/florid-cemento-osseous-dysplasia-review-of-an-uncommon-fibro-osseous-lesion-of-the-jaw-with-important-clinical-implications
#10
REVIEW
Sarah Fenerty, Wei Shaw, Rahul Verma, Ali B Syed, Riya Kuklani, Jie Yang, Sayed Ali
Florid cemento-osseous dysplasia (FCOD) is a rare, benign, multifocal fibro-osseous dysplastic process affecting tooth-bearing areas of the jaw, characterized by replacement of normal trabecular bone with osseous tissue and dense acellular cementum in a fibrous stroma. It is one clinicopathologic variant in a spectrum of related non-neoplastic fibro-osseous lesions known as cemento-osseous dysplasias (CODs), thought to arise from elements of the periodontal ligament. Diagnosis primarily relies upon radiographic and clinical findings; unnecessary biopsy should be avoided, as inoculation with oral pathogens may precipitate chronic infection in these hypovascular lesions...
February 13, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28194276/a-case-report-of-concurrent-embryonal-rhabdomyosarcoma-and-diffuse-large-b-cell-lymphoma-in-an-adult-without-identifiable-cancer-predisposition
#11
M D Mathias, M V Ortiz, H Magnan, S R Ambati, E K Slotkin, A J Chou, M F Walsh, K Offit, C Moskowitz, A Kentsis, L H Wexler
BACKGROUND: Diffuse large B-cell lymphoma (DLBCL) is the most common form of non-Hodgkin lymphoma. Rhabdomyosarcoma, the most common soft tissue sarcoma of childhood. makes up less than 1% of solid malignancies in adults with around 400 new cases each year in the United States. They have not previously been reported concurrently. CASE PRESENTATION: A 37 year old woman presented with painful enlarging leg mass. Biopsy of the mass was consistent with embryonal rhabdomyosarcoma...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28193378/image-sharing-in-radiology-a-primer
#12
REVIEW
Arindam R Chatterjee, Seth Stalcup, Arjun Sharma, T Shawn Sato, Pushpender Gupta, Yueh Z Lee, Christopher Malone, Morgan McBee, Elise L Hotaling, Akash P Kansagra
By virtue of its information technology-oriented infrastructure, the specialty of radiology is uniquely positioned to be at the forefront of efforts to promote data sharing across the healthcare enterprise, including particularly image sharing. The potential benefits of image sharing for clinical, research, and educational applications in radiology are immense. In this work, our group-the Association of University Radiologists (AUR) Radiology Research Alliance Task Force on Image Sharing-reviews the benefits of implementing image sharing capability, introduces current image sharing platforms and details their unique requirements, and presents emerging platforms that may see greater adoption in the future...
March 2017: Academic Radiology
https://www.readbyqxmd.com/read/28191550/mapping-lifetime-brain-volumetry-with-covariate-adjusted-restricted-cubic-spline-regression-from-cross-sectional-multi-site-mri
#13
Yuankai Huo, Katherine Aboud, Hakmook Kang, Laurie E Cutting, Bennett A Landman
Understanding brain volumetry is essential to understand neurodevelopment and disease. Historically, age-related changes have been studied in detail for specific age ranges (e.g., early childhood, teen, young adults, elderly, etc.) or more sparsely sampled for wider considerations of lifetime aging. Recent advancements in data sharing and robust processing have made available considerable quantities of brain images from normal, healthy volunteers. However, existing analysis approaches have had difficulty addressing (1) complex volumetric developments on the large cohort across the life time (e...
October 2016: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
https://www.readbyqxmd.com/read/28188958/potassium-channel-gene-associations-with-joint-processing-speed-and-white-matter-impairments-in-schizophrenia
#14
Heather A Bruce, Peter Kochunov, Sara A Paciga, Craig L Hyde, Xing Chen, Zhiyong Xie, Baohong Zhang, Hualin S Xi, Patricio O'Donnell, Christopher Whelan, Christian R Schubert, Alfredo Bellon, Seth A Ament, Dinesh K Shukla, Xiaoming Du, Laura M Rowland, Hugh O'Neill, L Elliot Hong
Patients with schizophrenia show decreased processing speed on neuropsychological testing and decreased white matter integrity as measured by diffusion tensor imaging, two traits shown to be both heritable and genetically associated indicating that there may be genes that influence both traits as well as schizophrenia disease risk. The potassium channel gene family is a reasonable candidate to harbor such a gene given the prominent role potassium channels play in the central nervous system in signal transduction, particularly in myelinated axons...
February 11, 2017: Genes, Brain, and Behavior
https://www.readbyqxmd.com/read/28188216/amygdalar-gating-of-early-sensory-processing-through-interactions-with-locus-coeruleus
#15
Cynthia D Fast, John P McGann
Fear- and stress-induced activity in the amygdala has been hypothesized to influence sensory brain regions through the amygdala's influence on neuromodulatory centers. To directly examine this relationship, we used optical imaging to observe odor-evoked activity in populations of olfactory bulb inhibitory interneurons and of synaptic terminals of olfactory sensory neurons (the olfactory system's primary sensory neurons, which provide the initial olfactory input to the brain) during pharmacological inactivation of amygdala and locus coeruleus (LC) in mice...
February 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28187889/gift-cloud-a-data-sharing-and-collaboration-platform-for-medical-imaging-research
#16
Tom Doel, Dzhoshkun I Shakir, Rosalind Pratt, Michael Aertsen, James Moggridge, Erwin Bellon, Anna L David, Jan Deprest, Tom Vercauteren, Sébastien Ourselin
OBJECTIVES: Clinical imaging data are essential for developing research software for computer-aided diagnosis, treatment planning and image-guided surgery, yet existing systems are poorly suited for data sharing between healthcare and academia: research systems rarely provide an integrated approach for data exchange with clinicians; hospital systems are focused towards clinical patient care with limited access for external researchers; and safe haven environments are not well suited to algorithm development...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28187675/taxonomy-and-ecology-of-a-new-species-of-i-corynura-i-hymenoptera-%C3%A2-halictidae-augochlorini-from-chile-and-argentina
#17
Rocío Ana González-Vaquero, Carlo Polidori, José Luis Nieves-Aldrey
We describe a new species of Corynura Spinola, a socially polymorphic genus within the bee tribe Augochlorini (Halictidae). We present a detailed description of both sexes of Corynura (Corynura) moscosensis n. sp. González-Vaquero, images of diagnostic morphological structures and antennal sensilla, floral associations, distributional data and notes on its nesting biology. Corynura moscosensis n. sp. is similar in appearance to C. (C.) chloromelas (Alfken), but it can be distinguished by the sculpturing of the mesoscutum and the hair types on the propodeum in the female, and by the genitalia and extent of the area exclusively covered by sensilla placoidea on the antennal flagellum of the male...
January 16, 2017: Zootaxa
https://www.readbyqxmd.com/read/28186939/cardiac-diagnostic-work-up-for-atrial-fibrillation-after-transient-ischaemic-attacks-in-england-and-wales-results-from-a-cross-sectional-survey
#18
Olivia Geraghty, Eleni Korompoki, Filippos T Filippidis, Anthony Rudd, Roland Veltkamp
OBJECTIVES: Transient ischaemic attacks (TIAs) are an important precursor of stroke. Atrial fibrillation (AF) is among the most dangerous aetiologies shared between TIAs and strokes. Detection of AF after TIAs is essential for the initiation of oral anticoagulants. We aimed to identify variations in the use of cardiac investigations used to detect AF and cardiac pathology in patients with TIA in the UK. SETTING: All TIA clinical leads in England and Wales received an invitation by email to participate in an online survey in February 2015...
November 10, 2016: BMJ Open
https://www.readbyqxmd.com/read/28185301/feasibility-of-through-time-spiral-generalized-autocalibrating-partial-parallel-acquisition-for-low-latency-accelerated-real-time-mri-of-speech
#19
Sajan Goud Lingala, Yinghua Zhu, Yongwan Lim, Asterios Toutios, Yunhua Ji, Wei-Ching Lo, Nicole Seiberlich, Shrikanth Narayanan, Krishna S Nayak
PURPOSE: To evaluate the feasibility of through-time spiral generalized autocalibrating partial parallel acquisition (GRAPPA) for low-latency accelerated real-time MRI of speech. METHODS: Through-time spiral GRAPPA (spiral GRAPPA), a fast linear reconstruction method, is applied to spiral (k-t) data acquired from an eight-channel custom upper-airway coil. Fully sampled data were retrospectively down-sampled to evaluate spiral GRAPPA at undersampling factors R = 2 to 6...
February 10, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28183814/comparative-proteomics-of-purified-pathogen-vacuoles-correlates-intracellular-replication-of-legionella-pneumophila-with-the-small-gtpase-rap1
#20
Johanna Schm Oumllders, Christian Manske, Andreas Otto, Christine Hoffmann, Bernhard Steiner, Amanda Welin, D Oumlrte Becher, Hubert Hilbi
Legionella pneumophila is an opportunistic bacterial pathogen that causes a severe lung infection termed Legionnaires disease. The pathogen replicates in environmental protozoa as well as in macrophages within a unique membrane-bound compartment, the Legionella-containing-vacuole (LCV). LCV formation requires the bacterial Icm/Dot type IV secretion system, which translocates ca. 300 effector proteins into host cells, where they target distinct host factors. The L. pneumophila pentuple mutant (Δpentuple) lacks 5 gene clusters (31% of the effector proteins) and replicates in macrophages but not in Dictyostelium discoideum amoeba...
February 9, 2017: Molecular & Cellular Proteomics: MCP
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