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https://www.readbyqxmd.com/read/28818993/nuclear-medicine-training-what-now
#1
David A Mankoff, Daniel A Pryma
While the multi-disciplinary nature of nuclear medicine and clinical molecular imaging is a key strength of the specialty, the breadth of disciplines involved in the practice of nuclear medicine creates challenges for education and training. The evolution of nuclear medicine science and technology - and the practice of clinical molecular imaging and theranostics - has created a need for changes in the approach to specialty training. The broader US community of imaging physicians has been slow to accept this change, in good part due to historical divides between the nuclear medicine and radiology communities...
August 17, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28814253/pet-mr-tomographs-a-review-with-technical-radiochemical-and-clinical-perspectives
#2
Giampiero Giovacchini, Elisabetta Giovannini, Mattia Riondato, Andrea Ciarmiello
In the last decade, an increasing number of positron emission tomography / magnetic resonance (PET/MR) tomographs have been installed and many clinical studies were performed in the neurological field. Although PET/MR has many favorable properties to support the application in brain imaging, attenuation correction, and therefore accurate quantification, is a problem that still requires optimal solution. In this review we have summarized the three main methods that are currently used to correct for attenuation in PET/MR, namely atlas- or template-based methods, segmentation-based methods, and reconstruction-based methods...
August 16, 2017: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/28811015/multiple-targeted-graphene-based-nanocarrier-for-intracellular-imaging-of-mrnas
#3
Ying Wang, Zhaohui Li, Misha Liu, Jinjin Xu, Dehong Hu, Yuehe Lin, Jinghong Li
Simultaneous detection and imaging of multiple intracellular messenger RNA (mRNAs) hold great significant for early cancer diagnostics and preventive medicine development. Herein, we propose a multiple-targeted graphene oxide (GO) nanocarrier that can simultaneously detect and image different type mRNAs in living cells. First of all, in vitro detection of multiple targets have been realized successfully based on the multiple-targeted GO nanocarrier with linear relationship ranging from 3 nM to 200 nM, as well as sensitive detection limit of 1...
August 29, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28810991/posterior-cruciate-ligament-injuries-associated-with-military-survival-swim-training
#4
Michael S Crowell, John S Mason, Matthew A Posner, Chad A Haley
OBJECTIVES: Posterior cruciate ligament (PCL) injuries are relatively common injuries associated with athletic activities and high-energy trauma. Posterolateral corner (PLC) injuries frequently accompany injury to the PCL. Diagnosis can be challenging and requires a comprehensive history and physical examination. Patients frequently report vague, nonspecific symptoms and the mechanism of injury is often useful in localizing injured structures. Two of the more common mechanisms for PCL injury include a direct blow to the proximal anterior tibia with the knee flexed, as well as a significant knee hyperextension injury...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28806907/effect-of-acupuncture-and-its-influence-on-cerebral-activity-in-perimenopausal-insomniacs-study-protocol-for-a-randomized-controlled-trial
#5
Xiao Wu, Wei Zhang, Yuanyuan Qin, Xuguang Liu, Zhengyan Wang
BACKGROUND: Perimenopausal insomnia is one of the core symptoms of the menopausal transition. Acupuncture is considered to exert a positive effect on restoring the normal sleep-wake cycle. However, there is little intuitive evidence besides evaluation using clinical effectiveness scales. We therefore designed this study, aiming to use more intuitive and reliable detection techniques such as functional magnetic resonance imaging before and after applying acupuncture to provide neuroimaging evidence, as well as to verify the effectiveness with other curative effect indicators...
August 14, 2017: Trials
https://www.readbyqxmd.com/read/28804918/low-rank-approximation-methods-for-mr-fingerprinting-with-large-scale-dictionaries
#6
Mingrui Yang, Dan Ma, Yun Jiang, Jesse Hamilton, Nicole Seiberlich, Mark A Griswold, Debra McGivney
PURPOSE: This work proposes new low rank approximation approaches with significant memory savings for large scale MR fingerprinting (MRF) problems. THEORY AND METHODS: We introduce a compressed MRF with randomized singular value decomposition method to significantly reduce the memory requirement for calculating a low rank approximation of large sized MRF dictionaries. We further relax this requirement by exploiting the structures of MRF dictionaries in the randomized singular value decomposition space and fitting them to low-degree polynomials to generate high resolution MRF parameter maps...
August 13, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28804703/hybrid-intraoperative-imaging-techniques-in-radioguided-surgery-present-clinical-applications-and-future-outlook
#7
REVIEW
S L Bugby, J E Lees, A C Perkins
PURPOSE: This review aims to summarise the hybrid modality radioguidance techniques currently in clinical use and development, and to discuss possible future avenues of research. Due to the novelty of these approaches, evidence of their clinical relevance does not yet exist. The purpose of this review is to inform nuclear medicine practitioners of current cutting edge research in radioguided surgery which may enter standard clinical practice within the next 5-10 years. Hybrid imaging is of growing importance to nuclear medicine diagnostics, but it is only with recent advances in technology that hybrid modalities are being investigated for use during radioguided surgery...
2017: Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28804642/e-learning-for-medical-imaging-specialists-introducing-blended-learning-in-a-nuclear-medicine-specialist-course
#8
Torjan Haslerud, Andreas Julius Tulipan, Robert M Gray, Martin Biermann
BACKGROUND: While e-learning has become an important tool in teaching medical students, the training of specialists in medical imaging is still dominated by lecture-based courses. PURPOSE: To assess the potential of e-learning in specialist education in medical imaging. MATERIAL AND METHODS: An existing lecture-based five-day course in Clinical Nuclear Medicine (NM) was enhanced by e-learning resources and activities, including practical exercises...
July 2017: Acta Radiologica Open
https://www.readbyqxmd.com/read/28804537/an-integrated-approach-to-coronary-heart-disease-diagnosis-and-clinical-management
#9
REVIEW
Teresa Infante, Ernesto Forte, Concetta Schiano, Carlo Cavaliere, Carlo Tedeschi, Andrea Soricelli, Marco Salvatore, Claudio Napoli
The major issue in coronary heart disease (CHD) diagnosis and management is that symptoms onset in an advanced state of disease. Despite the availability of several clinical risk scores, the prediction of cardiovascular events is lacking, and many patients at risk are not well stratified according to the canonical risk factors alone. Therefore, adequate risk assessment remains the most challenging issue. Recently, the integration of imaging data with biochemical markers in a radiogenomic framework has been proposed in many fields of medicine as well as in cardiology...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28800287/measuring-and-establishing-the-accuracy-and-reproducibility-of-3d-printed-medical-models
#10
Elizabeth George, Peter Liacouras, Frank J Rybicki, Dimitrios Mitsouras
Despite the rapid growth of three-dimensional (3D) printing applications in medicine, the accuracy and reproducibility of 3D printed medical models have not been thoroughly investigated. Although current technologies enable 3D models to be created with accuracy within the limits of clinical imaging spatial resolutions, this is not always achieved in practice. Inaccuracies are due to errors that occur during the imaging, segmentation, postprocessing, and 3D printing steps. Radiologists' understanding of the factors that influence 3D printed model accuracy and the metrics used to measure this accuracy is key in directing appropriate practices and establishing reference standards and validation procedures...
August 11, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28798924/diagnostic-performance-of-high-resolution-computed-tomography-in-otosclerosis
#11
Todd Kanzara, Jagdeep Singh Virk
AIM: To determine the sensitivity and specificity of high resolution computed tomography (HRCT) in the diagnosis of otosclerosis. METHODS: A systematic literature review was undertaken to include Level I-III studies (Oxford Centre for Evidenced based Medicine) that utilised HRCT to detect histology confirmed otosclerosis. Quantitative synthesis was then performed. RESULTS: Based on available level III literature, HRCT has a relatively low sensitivity of 58% (95%CI: 49...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28798034/fdg-pet-ct-in-lymphoma-has-imaging-directed-personalized-medicine-become-a-reality
#12
Sally F Barrington, Peter Wm Johnson
Positron emission tomography with computed tomography (PET-CT) using (18)F- fluorodeoxyglucose (FDG) is an essential part of the management of patients with lymphoma. Efforts to standardize PET acquisition and reporting, including the five-point 'Deauville scale', have enabled PET to become a surrogate for treatment success/failure in common lymphoma subtypes. This review summarizes the key evidence from clinical trials that supports PET-directed personalized approaches in lymphoma. PET-guided therapy has improved outcomes in Hodgkin lymphoma, using less chemotherapy and more selective radiotherapy...
August 10, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28793969/lung-ultrasound-in-internal-medicine-a-bedside-help-to-increase-accuracy-in-the-diagnosis-of-dyspnea
#13
Tiziano Perrone, Alessia Maggi, Carmelo Sgarlata, Ilaria Palumbo, Elisa Mossolani, Sara Ferrari, Ariel Melloul, Roberta Mussinelli, Michele Boldrini, Ambra Raimondi, Aderville Cabassi, Francesco Salinaro, Stefano Perlini
BACKGROUND: Dyspnea is one of the most frequent causes of admission in Internal Medicine wards, leading to a sizeable utilization of medical resources. STUDY DESIGN AND METHODS: The role of bedside lung ultrasound (LUS) was evaluated in 130 consecutive patients (age: 81±9years), in whom blindly collected LUS results were compared with data obtained by clinical examination, medical history, blood analysis, and chest X-ray. Dyspnea etiology was classified as "cardiac" (n=80), "respiratory" (n=36) or "mixed" (n=14), according to the discharge diagnosis (congestive heart failure either alone [n=80] or associated with pneumonia [n=14], pneumonia [n=24], and obstructive disventilatory syndrome [n=12])...
August 6, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28792626/advanced-three-dimensional-culture-of-equine-intestinal-epithelial-stem-cells
#14
A Stieler Stewart, J M Freund, L M Gonzalez
BACKGROUND: Intestinal epithelial stem cells are critical to epithelial repair following gastrointestinal injury. The culture of intestinal stem cells has quickly become a cornerstone of a vast number of new research endeavours that range from determining tissue viability to testing drug efficacy for humans. This study aims to describe the methods of equine stem cell culture and highlights the future benefits of these techniques for the advancement of equine medicine. OBJECTIVES: To describe the isolation and culture of small intestinal stem cells into three-dimensional (3D) enteroids in horses without clinical gastrointestinal abnormalities...
August 9, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28781784/prevalence-of-silent-breast-cancer-in-autopsy-specimens-as-studied-by-the-disease-being-held-by-image-guided-biopsies-the-pilot-study-and-literature-review
#15
Zacharoula Sidiropoulou, Ana Paula Vasconcelos, Cristiana Couceiro, Carlos Dos Santos, Ana Virginia Araújo, Inês Alegre, Claudia Santos, Filipa Costa, Vanessa Henriques, Carlos Neves, Fátima Cardoso, Pere Gascon
Breast cancer epidemiological patterns vary in European countries, which present different incidence rates. Data have suggested that the reduction in breast cancer mortality is not only due to the early detection of the disease, but is, in almost equal part, due to screening and to the advances that have been made in molecular medicine and the development of novel therapies. The aim of the present study is to quantify the actual number of cases of breast cancer present in both of the sexes by calculating the prevalence of silent breast cancer in corpses...
August 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28781219/a-randomized-controlled-study-of-art-observation-training-to-improve-medical-student-ophthalmology-skills
#16
Jaclyn Gurwin, Karen E Revere, Suzannah Niepold, Barbara Bassett, Rebecca Mitchell, Stephanie Davidson, Horace DeLisser, Gil Binenbaum
PURPOSE: Observation and description are critical to the practice of medicine, and to ophthalmology in particular. However, medical education does not provide explicit training in these areas, and medical students are often criticized for deficiencies in these skills. We sought to evaluate the effects of formal observation training in the visual arts on the general and ophthalmologic observational skills of medical students. DESIGN: Randomized, single-masked, controlled trial...
August 3, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28780327/imaging-appropriateness-in-an-academic-emergency-medicine-program
#17
Ali Arhami Dolatabadi, Majid Shojaee, Hamid Kariman, Ali Shahrami, Sarah Abolmaali
INTRODUCTION: As radiologic assessment is a key part in evaluating patients visited in emergency department, this survey was conducted to measure emergency medicine residents' competency in choosing appropriate diagnostic imaging in different clinical scenarios. METHODS: All emergency medicine residents enrolled in an academic emergency medicine discipline in the three medical universities of Tehran, Iran were recruited. A questionnaire was designed consisting of 10 clinically common scenarios selected from the American College of Radiology appropriateness criteria...
August 3, 2017: International Emergency Nursing
https://www.readbyqxmd.com/read/28776754/quantitative-two-dimensional-ultrashort-echo-time-magnetization-transfer-2d-ute-mt-imaging-of-cortical-bone
#18
Ya-Jun Ma, Anthony Tadros, Jiang Du, Eric Y Chang
PURPOSE: To investigate quantitative 2D ultrashort echo time magnetization transfer (UTE-MT) imaging in ex vivo bovine cortical bone and in vivo human tibial cortical bone. METHODS: Data were acquired from five fresh bovine cortical bone samples and five healthy volunteer tibial cortical bones using a 2D UTE-MT sequence on a clinical 3T scanner. The 2D UTE-MT sequence used four or five MT powers with five frequency offsets. Results were analyzed with a two-pool quantitative MT model, providing measurements of macromolecular fraction (f), macromolecular proton transverse relaxation times (T2m ), proton exchange rates from water/macromolecular to the macromolecular/water pool (RM0m /RM0w ), and spin-lattice relaxation rate of water pool (R1w )...
August 3, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28774694/improvement-of-fungal-disease-identification-and-management-combined-health-systems-and-public-health-approaches
#19
REVIEW
Donald C Cole, Nelesh P Govender, Arunaloke Chakrabarti, Jahit Sacarlal, David W Denning
More than 1·6 million people are estimated to die of fungal diseases each year, and about a billion people have cutaneous fungal infections. Fungal disease diagnosis requires a high level of clinical suspicion and specialised laboratory testing, in addition to culture, histopathology, and imaging expertise. Physicians with varied specialist training might see patients with fungal disease, yet it might remain unrecognised. Antifungal treatment is more complex than treatment for bacterial or most viral infections, and drug interactions are particularly problematic...
July 31, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28769748/mechanism-of-cerebralcare-granule%C3%A2-for-improving-cognitive-function-in-resting-state-brain-functional-networks-of-sub-healthy-subjects
#20
Jing Li, Hao Guo, Ling Ge, Long Cheng, Junjie Wang, Hong Li, Kerang Zhang, Jie Xiang, Junjie Chen, Hui Zhang, Yong Xu
Cerebralcare Granule® (CG), a Chinese herbal medicine, has been used to ameliorate cognitive impairment induced by ischemia or mental disorders. The ability of CG to improve health status and cognitive function has drawn researchers' attention, but the relevant brain circuits that underlie the ameliorative effects of CG remain unclear. The present study aimed to explore the underlying neurobiological mechanisms of CG in ameliorating cognitive function in sub-healthy subjects using resting-state functional magnetic resonance imaging (fMRI)...
2017: Frontiers in Neuroscience
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