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Radiology, Nuclear Medicine

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https://www.readbyqxmd.com/read/28447111/-diagnostics-and-treatment-of-osteoid-osteoma
#1
REVIEW
P Orth, D Kohn
BACKGROUND: Osteoid osteoma is the third most common benign bone tumor and typically induces pain that is worse at night. OBJECTIVE: To identify the epidemiological, pathogenetic, histological and radiological characteristics of osteoid osteoma and to present the broad variety of treatment options. MATERIAL AND METHODS: This review article summarizes relevant clinical studies and meta-analyses on this topic. RESULTS: Osteoid osteoma is characterized by a central nidus smaller than 1...
April 26, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28355596/enets-consensus-guidelines-for-the-standards-of-care-in-neuroendocrine-tumors-radiological-nuclear-medicine-amp-hybrid-imaging
#2
Anders Sundin, Rudolf Arnold, Eric Baudin, Jaroslaw B Cwikla, Barbro Eriksson, Stefano Fanti, Nicola Fazio, Francesco Giammarile, Rodney J Hicks, Andreas Kjaer, Eric Krenning, Dik Kwekkeboom, Catherine Lombard-Bohas, Juan M O'Connor, Dermot O'Toole, Andrea Rockall, Bertram Wiedenmann, Juan W Valle, Marie-Pierre Vullierme
No abstract text is available yet for this article.
March 30, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28331952/diagnostic-strategies-for-posttraumatic-osteomyelitis-a-survey-amongst-dutch-medical-specialists-demonstrates-the-need-for-a-consensus-protocol
#3
G A M Govaert, A W J M Glaudemans, J J W Ploegmakers, A R Viddeleer, K W Wendt, I H F Reininga
INTRODUCTION: Posttraumatic osteomyelitis (PTO) is a feared complication after surgical fracture care. Late diagnosis can result in interrupted and prolonged rehabilitation programmes, inability to work, medical dependency, unnecessary hospital admissions, and high medical and non-medical costs. Primary aim of this study was to assess preferred diagnostic imaging strategies for diagnosing PTO amongst orthopaedic and trauma surgeons, radiologists, and nuclear medicine physicians. Secondary aims were to determine the preferred serum inflammatory marker for diagnosing PTO and the existence of a local hospital protocol to diagnose and manage PTO...
March 22, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28301213/academic-radiologist-subspecialty-identification-using-a-novel-claims-based-classification-system
#4
Andrew B Rosenkrantz, Wenyi Wang, Danny R Hughes, Luke A Ginocchio, David A Rosman, Richard Duszak
OBJECTIVE: The objective of the present study is to assess the feasibility of a novel claims-based classification system for payer identification of academic radiologist subspecialties. MATERIALS AND METHODS: Using a categorization scheme based on the Neiman Imaging Types of Service (NITOS) system, we mapped the Medicare Part B services billed by all radiologists from 2012 to 2014, assigning them to the following subspecialty categories: abdominal imaging, breast imaging, cardiothoracic imaging, musculoskeletal imaging, nuclear medicine, interventional radiology, and neuroradiology...
March 16, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28296315/effective-method-of-measuring-the-radioactivity-of-%C3%A2-131i-capsule-prior-to-radioiodine-therapy-with-significant-reduction-of-the-radiation-exposure-to-the-medical-staff
#5
Ulf Lützen, Yi Zhao, Marlies Marx, Thea Imme, Isong Assam, Frank-Andre Siebert, Juraj Culman, Maaz Zuhayra
Radiation Protection in Radiology, Nuclear Medicine and Radio Oncology is of the utmost importance. Radioiodine therapy is a frequently used and effective method for the treatment of thyroid disease. Prior to each therapy the radioactivity of the [ 131I]-capsule must be determined to prevent misadministration. This leads to a significant radiation exposure to the staff. We describe an alternative method, allowing a considerable reduction of the radiation exposure. Two [ 131I]-capsules (A01=2818.5; A02=73...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28281400/evaluation-of-thiol-disulphide-homeostasis-in-radiation-workers
#6
Ural Koc, Sinan Tan, Ahmet Goktug Ertem, Mehmet Gumus, Betul Ozbek, Ozcan Erel
PURPOSE: To evaluate thiol-disulphide homeostasis - a novel, easily calculated, readily available, and relatively cheap oxidative stress marker - in radiation workers and compare the results with healthy controls. MATERIALS AND METHODS: A total of 108 participants were enrolled in the study including 63 hospital workers occupationally exposed to ionizing radiation in the units of interventional radiology, interventional cardiology and nuclear medicine. A control group consisted of 45 individuals staff in the same hospital...
April 3, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28280978/spanish-society-of-vascular-and-interventional-radiology-servei-bibliometric-study-2010-2015-what-how-and-where-do-spanish-interventional-radiologists-publish
#7
Celia Lahuerta, José A Guirola, Enrique Esteban, José Urbano, Alicia Laborda, Miguel Ángel De Gregorio
PURPOSE: We analyzed the scientific production of members of the Spanish Society of Vascular and Interventional Radiology (SERVEI) from 2010 to 2015. MATERIALS AND METHODS: We retrospectively analyzed the indexed scientific productivity of all SERVEI members for the last 6 years as measured by bibliometric indexes. Different databases were used (e.g., PubMed, Scopus, Web of Knowledge) to retrieve the total number of publications, number of citations, and h-index...
March 9, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28263210/incremental-value-of-cocktail-18f-fdg-and-18f-naf-pet-ct-over-18f-fdg-pet-ct-alone-for-characterization-of-skeletal-metastases-in-breast-cancer
#8
Mohan J Roop, Baljinder Singh, Harmandeep Singh, Ankit Watts, Pavneet S Kohli, Bhagwant R Mittal, Gurpreet Singh
PURPOSE: The aim of this study was to evaluate the incremental value of cocktail F-FDG/F-NaF PET/CT over F-FDG PET/CT alone for detection of skeletal metastases in breast cancer patients. METHODS: Seventy patients with locally advanced/recurrent breast cancer were prospectively included. All patients underwent whole-body F-FDG PET/CT and cocktail F-FDG/F-NaF PET/CT within a span of 1 week. Both studies were evaluated to detect presence of skeletal/marrow metastases on PET/CT images by 2 nuclear medicine physicians...
May 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28237003/neuroblastoma-mibg-imaging-and-new-tracers
#9
REVIEW
Thomas Pfluger, Arnoldo Piccardo
Neuroblastoma is an embryonic tumor of the peripheral sympathetic nervous system, and is metastatic or otherwise high risk for relapse in nearly 50% of cases, with a long-term survival of <40%. Therefore, exact staging with radiological and nuclear medicine imaging methods is crucial for finding the adequate therapeutic choice. The tumor cells express the norepinephrine transporter, which makes metaiodobenzylguanidine (MIBG), an analogue of norepinephrine, an ideal tumor-specific agent for imaging. On the contrary, MIBG imaging has several disadvantages such as limited spatial resolution, limited sensitivity in small lesions, need for two or even more acquisition sessions, and a delay between the start of the examination and result...
March 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28205026/common-strategic-research-agenda-for-radiation-protection-in-medicine
#10
(no author information available yet)
Reflecting the change in funding strategies for European research projects, and the goal to jointly improve medical radiation protection through sustainable research efforts, five medical societies involved in the application of ionising radiation (European Association of Nuclear Medicine, EANM; European Federation of Organizations for Medical Physics. EFOMP; European Federation of Radiographer Societies, EFRS; European Society of Radiology, ESR; European Society for Radiotherapy and Oncology, ESTRO) have identified research areas of common interest and developed this first edition of the Common Strategic Research Agenda (SRA) for medical radiation protection...
April 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28182580/internal-dosimetry-with-the-monte-carlo-code-gate-validation-using-the-icrp-icru-female-reference-computational-model
#11
Daphnée Villoing, Sara Marcatili, Marie-Paule Garcia, Manuel Bardiès
The purpose of this work was to validate GATE-based clinical scale absorbed dose calculations in nuclear medicine dosimetry. GATE (version 6.2) and MCNPX (version 2.7.a) were used to derive dosimetric parameters (absorbed fractions, specific absorbed fractions and S-values) for the reference female computational model proposed by the International Commission on Radiological Protection in ICRP report 110. Monoenergetic photons and electrons (from 50 keV to 2 MeV) and four isotopes currently used in nuclear medicine (fluorine-18, lutetium-177, iodine-131 and yttrium-90) were investigated...
March 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28133756/converting-computed-tomography-images-into-photon-interaction-coefficients-by-using-stoichiometric-calibration-and-parametric-fit-models
#12
Cheng-Ting Shih, Jay Wu
PURPOSE: X ray and γ-ray are widely applied in radiology, radiotherapy, and nuclear medicine. Linear attenuation coefficients and linear energy absorption coefficients are essential for dose calculation and image correction. In this study, a method that entails combining the stoichiometric calibration and parametric physical models was developed to convert computed tomography (CT) images into the linear attenuation coefficients and linear energy absorption coefficients. METHODS: A calibration scan was performed using standard tissue-equivalent materials to obtain the characteristics of the x-ray energy spectrum...
February 2017: Medical Physics
https://www.readbyqxmd.com/read/28123250/e-licensing-of-radiation-applications-elora-in-armed-forces-hospitals-nuts-and-bolts
#13
REVIEW
Rohit Aggarwal, R A George, Aftab Alam, B K Soni
As per current statutory requirement, licence for operation of all medical radiation facilities (diagnostic radiology/radiotherapy/nuclear medicine) in India has to be obtained using the e-Licensing of Radiation Applications (acronym as 'eLORA') platform which is a web-based application on Atomic Energy Regulatory Board (AERB) website. This article is envisaged as a procedural guide for all medical administrators and radiologists in service institutions processing eLORA. Specific focus has been placed on practical methods to deal with inherent procedural hurdles unique to armed forces institutions, based on first-hand experience gained in successful eLORA processing at a tertiary care hospital...
January 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28102707/patient-dosimetry-audit-for-establishing-local-diagnostic-reference-levels-for-nuclear-medicine-ct
#14
Matthew Gardner, Ngonidzashe M Katsidzira, Erin Ross, Elizabeth A Larkin
OBJECTIVE: To establish a system for patient dosimetry audit and setting of local diagnostic reference levels (LDRLs) for nuclear medicine (NM) CT. METHODS: Computed radiological information system (CRIS) data were matched with NM paper records, which provided the body region and dose mode for NMCT carried out at a large UK hospital. It was necessary to divide data in terms of the NM examination type, body region and dose mode. The mean and standard deviation dose-length products (DLPs) for common NMCT examinations were then calculated and compared with the proposed National Diagnostic Reference Levels (NDRLs)...
March 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28099977/a-step-by-step-clinical-approach-for-the-management-of-neuroendocrine-tumours
#15
REVIEW
A Yordanova, H Ahmadzadehfar, M Gonzalez-Carmona, C Strassburg, K Mayer, G Feldmann, I Schmidt-Wolf, P Lingohr, S Fischer, G Kristiansen, M Essler
Neuroendocrine tumours (NET) are rare neoplasms, but the incidence is permanently increasing. Most of the NETs are slow proliferating and clinically silent, and for that reason, they are often diagnosed at a stage with advanced disease. The complexity and diversity of the NET-biology require the treatment of patients in specialised centres to guarantee a qualified, multidisciplinary treatment planning. At our institution, we developed an interdisciplinary model for the assessment and treatment of NET. The aim was to adapt the guidelines to the clinical practice, exchange of current knowledge, and a tailored approach to the individual patient...
February 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28097498/clinical-applications-of-a-ct-window-blending-algorithm-radio-relative-attenuation-dependent-image-overlay
#16
Jacob C Mandell, Bharti Khurana, Les R Folio, Hyewon Hyun, Stacy E Smith, Ruth M Dunne, Katherine P Andriole
A methodology is described using Adobe Photoshop and Adobe Extendscript to process DICOM images with a Relative Attenuation-Dependent Image Overlay (RADIO) algorithm to visualize the full dynamic range of CT in one view, without requiring a change in window and level settings. The potential clinical uses for such an algorithm are described in a pictorial overview, including applications in emergency radiology, oncologic imaging, and nuclear medicine and molecular imaging.
January 17, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28047744/we-a-201-01-memorial-introduction
#17
C Marshall
Chris Marshall: Memorial Introduction Donald Edmonds Herbert Jr., or Don to his colleagues and friends, exemplified the "big tent" vision of medical physics, specializing in Applied Statistics and Dynamical Systems theory. He saw, more clearly than most, that "Making models is the difference between doing science and just fooling around [ref Woodworth, 2004]". Don developed an interest in chemistry at school by "reading a book" - a recurring theme in his story. He was awarded a Westinghouse Science scholarship and attended the Carnegie Institute of Technology (later Carnegie Mellon University) where his interest turned to physics and led to a BS in Physics after transfer to Northwestern University...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047091/we-a-201-02-modern-statistical-modeling
#18
A Niemierko
Chris Marshall: Memorial Introduction Donald Edmonds Herbert Jr., or Don to his colleagues and friends, exemplified the "big tent" vision of medical physics, specializing in Applied Statistics and Dynamical Systems theory. He saw, more clearly than most, that "Making models is the difference between doing science and just fooling around [ref Woodworth, 2004]". Don developed an interest in chemistry at school by "reading a book" - a recurring theme in his story. He was awarded a Westinghouse Science scholarship and attended the Carnegie Institute of Technology (later Carnegie Mellon University) where his interest turned to physics and led to a BS in Physics after transfer to Northwestern University...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046695/mo-de-bra-03-the-ottawa-medical-physics-institute-ompi-a-practical-model-for-academic-program-collaboration-in-a-multi-centre-city
#19
M McEwen, D Rogers, P Johns/Sup
PURPOSE: To build a world-class medical physics educational program that capitalizes on expertise distributed over several clinical, government, and academic centres. Few if any of these centres would have the critical mass to solely resource a program. METHODS: In order to enable an academic program, stakeholders from five institutions made a proposal to Carleton University for a) a research network with defined membership requirements and a process for accepting new members, and b) a graduate specialization (MSc and PhD) in medical physics...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046561/we-a-201-00-anne-and-donald-herbert-distinguished-lectureship-on-modern-statistical-modeling
#20
Joseph Deasy
Chris Marshall: Memorial Introduction Donald Edmonds Herbert Jr., or Don to his colleagues and friends, exemplified the "big tent" vision of medical physics, specializing in Applied Statistics and Dynamical Systems theory. He saw, more clearly than most, that "Making models is the difference between doing science and just fooling around [ref Woodworth, 2004]". Don developed an interest in chemistry at school by "reading a book" - a recurring theme in his story. He was awarded a Westinghouse Science scholarship and attended the Carnegie Institute of Technology (later Carnegie Mellon University) where his interest turned to physics and led to a BS in Physics after transfer to Northwestern University...
June 2016: Medical Physics
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