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https://www.readbyqxmd.com/read/27913397/prospective-study-of-ultraviolet-radiation-exposure-and-thyroid-cancer-risk-in-the-united-states
#1
Rachel D Zamoiski, Elizabeth K Cahoon, D Michal Freedman, Martha S Linet, Cari M Kitahara
BACKGROUND: Thyroid cancer incidence has tripled in the past three decades, yet relatively few risk factors have been identified. Some studies have suggested that ultraviolet radiation (UVR) may affect thyroid cancer risk. METHODS: We conducted a prospective analysis of 44,039 participants in the United States Radiologic Technologists study (153 thyroid cancer cases) from all 50 states. We examined the association between risk of thyroid cancer and exposure to UVR, estimated by ambient UVR, time outdoors, and a combined variable...
December 2, 2016: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/27910015/chromosome-recognition
#2
Thomas S K Wan, Eleanor K C Hui, Margaret H L Ng
Chromosomal analysis of human cells serves to characterize aberrations of chromosome number and structure. Individual chromosome can be identified precisely by recognition of its morphological characteristics and staining patterns according to specific landmarks, regions, and bands as described in the ideogram. Since the quality of metaphases obtained from malignant cells is generally poor for karyotyping, a practical and accurate chromosome recognition training guide is mandatory for a trainee or newly employed cytogenetic technologist in a cancer cytogenetics laboratory...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27908191/technical-note-display-window-setting-an-important-factor-for-detecting-subtle-but-clinically-relevant-artifacts-in-daily-ct-quality-control
#3
Zaiyang Long, Michael R Bruesewitz, Emily N Sheedy, Michele A Powell, Jacqualynn C Kramer, Randall R Supalla, Chance M Colvin, Jessica R Bechel, Christopher P Favazza, James M Kofler, Shuai Leng, Cynthia H McCollough, Lifeng Yu
PURPOSE: This study aimed to investigate the influence of display window setting on technologist performance detecting subtle but clinically relevant artifacts in daily computed tomography (CT) quality control (dQC) images. METHODS: Fifty three sets of dQC images were retrospectively selected, including 30 sets without artifacts, and 23 with subtle but clinically relevant artifacts. They were randomized and shown to six CT technologists (two new and four experienced)...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27904875/history-and-perspectives-of-nuclear-medicine-in-bangladesh
#4
Raihan Hussain
Bangladesh is one of the smaller states in Asia. But it has a long and rich history of nuclear medicine for over sixty years. The progress in science and technology is always challenging in a developing country. In 1958, work for the first Nuclear Medicine facility was commenced in Dhaka in a tin-shed known as 'Radioisotope Centre' and was officially inaugurated in 1962. Since the late 50s of the last century nuclear medicine in Bangladesh has significantly progressed through the years in its course of development, but still the facilities are inadequate...
2016: Asia Oceania Journal of Nuclear Medicine & Biology
https://www.readbyqxmd.com/read/27904400/16s-rrna-in-situ-hybridization-followed-by-flow-cytometry-for-rapid-identification-of-acetic-acid-bacteria-involved-in-submerged-industrial-vinegar-production
#5
Janja Trček, Luka Lipoglavšek, Gorazd Avguštin
Acetic acid bacteria are involved in many biotechnological processes such as vitamin C, gluconic acid, miglitol or acetic acid production, and others. For a technologist trying to control the industrial process, the ability to follow the microbiological development of the process is thus of importance. During the past few years hybridization in a combination with flow cytometry has often been used for this purpose. Since vinegar is a liquid, it is an ideal matrix for flow cytometry analysis. In this work we have constructed a specific probe for highly acetic acid-resistant species of the acetic acid bacteria and a protocol for in situ hybridization, which in combination with flow cytometry enables direct monitoring of bacteria producing vinegar with >10% of acetic acid...
March 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27898380/famus-ii-a-fast-and-mechanistic-ultrasound-simulator-using-an-impulse-response-approach
#6
Luis Aguilar, Justin Wong, David A Steinman, Richard S C Cobbold
Real-time simulation of ultrasound images is increasingly important for providing a means of presenting a wide variety of clinical images for the training of ultrasound specialists and technologists. In order to realistically represent the visual effects caused by changes to the transducer position or its focal properties, very rapid transducer field response calculations are needed, typically on the order of a fraction of a second. Currently available methods are severely limited in this regard. Based on the impulse response, a point source/receiver method for accurately calculating the fields produced by ultrasound transducer arrays is proposed and illustrated with realistic B-mode and Doppler spectral display simulations...
November 24, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27896451/transfer-learning-with-convolutional-neural-networks-for-classification-of-abdominal-ultrasound-images
#7
Phillip M Cheng, Harshawn S Malhi
The purpose of this study is to evaluate transfer learning with deep convolutional neural networks for the classification of abdominal ultrasound images. Grayscale images from 185 consecutive clinical abdominal ultrasound studies were categorized into 11 categories based on the text annotation specified by the technologist for the image. Cropped images were rescaled to 256 × 256 resolution and randomized, with 4094 images from 136 studies constituting the training set, and 1423 images from 49 studies constituting the test set...
November 28, 2016: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/27884180/the-impact-of-mhealth-interventions-on-health-systems-a-systematic-review-protocol
#8
Jill Fortuin, Faatiema Salie, Leila H Abdullahi, Tania S Douglas
BACKGROUND: Mobile health (mHealth) has been described as a health enabling tool that impacts positively on the health system in terms of improved access, quality and cost of health care. The proposed systematic review will examine the impact of mHealth on health systems by assessing access, quality and cost of health care as indicators. METHODS: The systematic review will include literature from various sources including published and unpublished/grey literature...
November 25, 2016: Systematic Reviews
https://www.readbyqxmd.com/read/27867179/required-work-for-a-radiology-technologist-in-ir
#9
Seiki Hosokawa
No abstract text is available yet for this article.
2016: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/27853722/measurement-of-thyroid-dose-by-tld-arising-from-radiotherapy-of-breast-cancer-patients-from-supraclavicular-field
#10
B Farhood, M T Bahreyni Toossi, H Vosoughi, S Khademi, C Knaup
BACKGROUND: Breast cancer is the most frequently diagnosed cancer and the leading global cause of cancer death among women worldwide. Radiotherapy plays a significant role in treatment of breast cancer and reduces locoregional recurrence and eventually improves survival. The treatment fields applied for breast cancer treatment include: tangential, axillary, supraclavicular and internal mammary fields. OBJECTIVE: In the present study, due to the presence of sensitive organ such as thyroid inside the supraclavicular field, thyroid dose and its effective factors were investigated...
September 2016: Journal of Biomedical Physics & Engineering
https://www.readbyqxmd.com/read/27845171/the-new-kas-it-takes-a-village
#11
EDITORIAL
Howard M Gebel, Malek Kamoun
No abstract text is available yet for this article.
November 11, 2016: Human Immunology
https://www.readbyqxmd.com/read/27837144/radiation-protection-in-computed-tomography
#12
Scott L Cupp
Radiation exposure from computed tomography (CT) examinations has long been a concern. As part of their education, CT technologists learn the fundamentals of radiation interactions, dose, risk, and protection. Modern CT systems have evolved to include dose optimization features. This article reviews the fundamentals of radiation dose and introduces new CT dose optimization techniques.
November 2016: Radiologic Technology
https://www.readbyqxmd.com/read/27837126/medical-imaging-and-infertility
#13
Rebecca Peterson
Infertility affects many couples, and medical imaging plays a vital role in its diagnosis and treatment. Radiologic technologists benefit from having a broad understanding of infertility risk factors and causes. This article describes the typical structure and function of the male and female reproductive systems, as well as congenital and acquired conditions that could lead to a couple's inability to conceive. Medical imaging procedures performed for infertility diagnosis are discussed, as well as common interventional options available to patients...
November 2016: Radiologic Technology
https://www.readbyqxmd.com/read/27837124/a-multidiscipline-study-of-education-program-accreditation-type-and-certification-exam-performance
#14
Ben Babcock
PURPOSE: To examine the relationship between radiologic technologists' performance on 3 medical certification exams and the type of accredited education program they attended. METHODS: Data came from 3 certification exam programs administered by the American Registry of Radiologic Technologists (ARRT). The author used simple means and mixed-effect models to analyze 13 years of data. RESULTS: The difference in performance between programs with and without programmatic accreditation, as modeled with linear mixed-effect models, amounted to approximately 2 exam questions out of 200 for radiography, no difference for nuclear medicine technology, and approximately 4 questions out of 200 for radiation therapy...
November 2016: Radiologic Technology
https://www.readbyqxmd.com/read/27824873/evaluating-varied-label-designs-for-use-with-medical-devices-optimized-labels-outperform-existing-labels-in-the-correct-selection-of-devices-and-time-to-select
#15
Laura Bix, Do Chan Seo, Moslem Ladoni, Eric Brunk, Mark W Becker
PURPOSE: Effective standardization of medical device labels requires objective study of varied designs. Insufficient empirical evidence exists regarding how practitioners utilize and view labeling. OBJECTIVE: Measure the effect of graphic elements (boxing information, grouping information, symbol use and color-coding) to optimize a label for comparison with those typical of commercial medical devices. DESIGN: Participants viewed 54 trials on a computer screen...
2016: PloS One
https://www.readbyqxmd.com/read/27815055/strengths-and-deficiencies-in-the-content%C3%A2-of-us-radiology-private-practices-%C3%A2-websites
#16
Evan J Johnson, Ankur M Doshi, Andrew B Rosenkrantz
PURPOSE: The Internet provides a potentially valuable mechanism for radiology practices to communicate with patients and enhance the patient experience. The aim of this study was to assess the websites of US radiology private practices, with attention to the frequency of content of potential patient interest. METHODS: The 50 largest private practice radiology facilities in the United States were identified from RadiologyBusiness.com. Websites were reviewed for information content and functionality...
November 1, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27815053/comparative-effectiveness-of-hands-on-versus-computer-simulation-based-training-for-contrast-media-reactions-and-teamwork-skills
#17
Carolyn L Wang, Sankar Chinnugounder, Daniel S Hippe, Sadaf Zaidi, Ryan B O'Malley, Puneet Bhargava, William H Bush
PURPOSE: To assess the performance of interprofessional teams of radiologists, technologists, and nurses trained with high-fidelity hands-on (HO) simulation and computer-based (CB) simulation training for contrast reaction management (CR) and teamwork skills (TS). METHODS: Nurses, technologists, and radiology residents were randomized into 11 teams of three (one of each). Six teams underwent HO training and five underwent CB training for CR and TS. Participants took written tests before and after training and were further tested using a high-fidelity simulation scenario...
November 1, 2016: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/27805431/sensation-of-smell-and-taste-during-intravenous-injection-of-iodinated-contrast-media-in-ct-examinations
#18
Naoto Yamaguchi, Yasuhiro Fukushima, Aiko Yamaguchi, Naoki Nagasawa, Ayako Taketomi-Takahashi, Takayuki Suto, Yoshito Tsushima
OBJECTIVE: To assess the incidence and types of sensation of smell and taste during intravenous injection of five kinds of contrast media (CM) in computed tomography (CT) examinations. METHODS: 735 patients who underwent contrast enhanced (CE)-CT between 14 March 2016 and 5 April 2016 were enrolled. Medical staff asked patients whether they felt heat sensation and sensation of smell and taste during intravenous injection of CM (one of the following: Iopromide, Iomeprol, Iopamidol, Iohexol and Ioversol) after their CE-CT...
November 2, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27794527/the-challenges-of-daratumumab-in-transfusion-medicine
#19
REVIEW
Michael F Dizon
The field of transfusion medicine has evolved rapidly in recent years, but the central principle of transfusion is still simple, namely, the antigen-antibody interaction. Daratumumab (DARA), a monoclonal antibody (MoAb), was developed to treat relapsed/refractory multiple myeloma (RRMM). DARA works by targeting the CD38 portion of malignant cells; however, this drug attaches to the red blood cell (RBC) reagents used in blood banks, further complicating the antibody identification work-up. The AABB (formerly known as the American Association of Blood Banks) has issued a memorandum on how blood banks can effectively address panreactivity caused by DARA...
October 28, 2016: Laboratory Medicine
https://www.readbyqxmd.com/read/27787667/quantification-of-hazard-prediction-ability-at-hazard-prediction-training-kiken-yochi-training-kyt-by-free-response-receiver-operating-characteristic-froc-analysis
#20
Masahiro Hashida, Ryousuke Kamezaki, Makoto Goto, Junji Shiraishi
The ability to predict hazards in possible situations in a general X-ray examination room created for Kiken-Yochi training (KYT) is quantified by use of free-response receiver-operating characteristics (FROC) analysis for determining whether the total number of years of clinical experience, involvement in general X-ray examinations, occupation, and training each have an impact on the hazard prediction ability. Twenty-three radiological technologists (RTs) (years of experience: 2-28), four nurses (years of experience: 15-19), and six RT students observed 53 scenes of KYT: 26 scenes with hazardous points (hazardous points are those that might cause injury to patients) and 27 scenes without points...
October 27, 2016: Radiological Physics and Technology
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