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Radiology Technologist

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https://www.readbyqxmd.com/read/28711210/routine-dual-energy-computed-tomography-scanning-of-the-neck-in-clinical-practice-a-single-institution-experience
#1
REVIEW
Almudena Pérez-Lara, Mark Levental, Lorne Rosenbloom, Gary Wing, Reza Forghani
There is increasing use and popularity of dual-energy computed tomography (DECT) in many subspecialties in radiology. This article reviews the practical workflow implications of routine DECT scanning based on the experience at a single institution where a large percentage of elective neck CTs are acquired in DECT mode. The article reviews factors both on the production (technologist) and on the interpretation (radiologist) side, focusing on challenges posed and potential solutions for seamless workflow implementation...
August 2017: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/28705527/reducing-stat-portable-chest-radiograph-turnaround-times-a-pilot-study
#2
REVIEW
Pratik Rachh, Alexa O Levey, Andrew Lemmon, Aurora Marinescu, William F Auffermann, Daniel Haycook, Eugene A Berkowitz
BACKGROUND: Our health system orders a high number of STAT priority portable chest radiographs (62%) compared to Routine (35%) and Today (3%). Retrospective chart review of 1000 chest radiographs ordered with the STAT priority revealed that 38% of studies did not indicate clinical urgency. Given the high number or STAT priority portable chest radiographs ordered, prioritizing acquisition and interpretation of true STATs has become challenging for technologists and radiologists, leading to process inefficiencies, long turnaround times (TATs), communication failures, and patient-safety errors...
June 5, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28701894/volume-measurement-by-diffusion-weighted-imaging-in-cervical-cancer
#3
Shinya Fujii, Naoki Iwata, Chie Inoue, Naoko Mukuda, Takeru Fukunaga, Toshihide Ogawa
BACKGROUND: The aim of this paper was to evaluate the validity of tumor volume measurement using diffusion-weighted (DW) imaging in cervical cancer. METHODS: In this retrospective study, 22 patients, who underwent preoperative 3.0 T MR examinations with DW imaging were evaluated. Tumor volume measurement by oblique axial (short axis to the uterine cervix) T2-weighted imaging was performed by manually outlining the tumor on the monitor. The area of tumor in each slice was multiplied by the slice profile (slice thickness plus intersection gap), and the total tumor volume was calculated by summation of these obtained volumes...
June 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28698185/age-at-menarche-and-late-adolescent-adiposity-associated-with-mammographic-density-on-processed-digital-mammograms-in-24-840-women
#4
Stacey E Alexeeff, Nnaemeka Odo, Jafi A Lipson, Ninah Achacoso, Joseph H Rothstein, Martin J Yaffe, Rhea Y Liang, Luana Acton, Valerie McGuire, Alice S Whitmore, Daniel L Rubin, Weiva Sieh, Laurel A Habel
BACKGROUND: High mammographic density is strongly associated with increased breast cancer risk. Some, but not all, risk factors for breast cancer are also associated with higher mammographic density. METHODS: The study cohort (N=24,840) was drawn from the Research Program in Genes, Environment and Health of Kaiser Permanente Northern California and included non-Hispanic white females aged 40-74 years with a full-field digital mammogram (FFDM). Percent density (PD) and dense area (DA) were measured by a radiological technologist using Cumulus...
July 11, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28662850/patient-dose-monitoring-systems-a-new-way-of-managing-patient-dose-and-quality-in-the-radiology-department
#5
N Fitousi
PURPOSE: Due to the upcoming European Directive (2013/59/EURATOM) and the increased focus on patient safety in international guidelines and regulations, Patient Dose Monitoring Systems, also called Dose Management Systems (DMS), are introduced in medical imaging departments. This article focusses on the requirements for a DMS, its benefits and the necessary implementation steps. METHOD: The implementation of a DMS can be perceived as a lengthy, yet worthy, procedure: users have to select the appropriate system for their applications, prepare data collection, validate, perform configuration, and start using the results in quality improvement projects...
June 26, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28637959/examination-of-dose-reduction-using-image-noise-reduction-technology-in-cardiovascular-x-ray-systems
#6
Takaya Saijo, Shigenobu Seguchi
The aim of this study is to establish radiation exposure dose reduction protocols during cardiac intervention by decreasing the entrance dose at flat panel detector (FPD) with image quality evaluations. For measuring entrance surface dose (ESD), we have used a Radical 9015 dosimeter (6 cc ion chamber) placed under 20 cm thick acrylic plates at the patient's entrance reference point. We performed an image quality assessment based on quantitative as well as visual evaluation of the images obtained via current and dose reduction protocols...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28578598/hyperthyroidism-hypothyroidism-and-cause-specific-mortality-in-a-large-cohort-of-women
#7
Neige M Y Journy, Marie-Odile Bernier, Michele M Doody, Bruce H Alexander, Martha S Linet, Cari M Kitahara
BACKGROUND: The prevalence of hyperthyroidism and hypothyroidism is 0.5-4% in iodine-replete communities, but it is 5-10 times higher in women than in men. Those conditions are associated with a broad range of metabolic disorders and cardiovascular diseases. Biological evidence of a role of thyroid hormones in carcinogenesis also exists. However, the association between thyroid dysfunction and cardiovascular disease or cancer mortality risk remains controversial. In a large cohort of women, the associations of hyperthyroidism and hypothyroidism with cause-specific mortality were evaluated after nearly 30 years of follow-up...
July 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28536767/improving-efficiency-in-the-radiology-department
#8
REVIEW
Alexander J Towbin, Laurie A Perry, David B Larson
The modern radiology department is built around the flow of information. Ordering providers request imaging studies to be performed, technologists complete the work required to perform the imaging studies, and radiologists interpret and report on the imaging findings. As each of these steps is performed, data flow between multiple information systems, most notably the radiology information system (RIS), the picture archiving and communication system (PACS) and the voice dictation system. Even though data flow relatively seamlessly, the majority of our systems and processes are inefficient...
June 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28533102/real-time-electronic-dashboard-technology-and-its-use-to-improve-pediatric-radiology-workflow
#9
REVIEW
Randheer Shailam, Ariel Botwin, Markus Stout, Michael S Gee
The purpose of our study was to create a real-time electronic dashboard in the pediatric radiology reading room providing a visual display of updated information regarding scheduled and in-progress radiology examinations that could help radiologists to improve clinical workflow and efficiency. To accomplish this, a script was set up to automatically send real-time HL7 messages from the radiology information system (Epic Systems, Verona, WI) to an Iguana Interface engine, with relevant data regarding examinations stored in an SQL Server database for visual display on the dashboard...
March 19, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28532210/the-linear-nonthreshold-lnt-model-as-used-in-radiation-protection-an-ncrp-update
#10
John D Boice
PURPOSE: The linear nonthreshold (LNT) model has been used in radiation protection for over 40 years and has been hotly debated. It relies heavily on human epidemiology, with support from radiobiology. The scientific underpinnings include NCRP Report No. 136 ('Evaluation of the Linear-Nonthreshold Dose-Response Model for Ionizing Radiation'), UNSCEAR 2000, ICRP Publication 99 (2004) and the National Academies BEIR VII Report (2006). NCRP Scientific Committee 1-25 is reviewing recent epidemiologic studies focusing on dose-response models, including threshold, and the relevance to radiation protection...
June 14, 2017: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/28515586/utility-of-supplemental-screening-with-breast-ultrasound-in-asymptomatic-women-with-dense-breast-tissue-who-are-not-at-high-risk-for-breast-cancer
#11
Geetika A Klevos, Fernando Collado-Mesa, Jose M Net, Monica M Yepes
OBJECTIVE: To assess the results of an initial round of supplemental screening with hand-held bilateral breast ultrasound following a negative screening mammogram in asymptomatic women with dense breast tissue who are not at high risk for breast cancer. MATERIALS AND METHODS: A retrospective, Health Insurance Portability and Accountability Act compliant, Institutional Research Board approved study was performed at a single academic tertiary breast center. Informed consent was waived...
January 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28502973/the-job-competency-of-radiological-technologists-in-korea-based-on-specialists-opinion-and-questionnaire-survey
#12
Chang-Seon Lim, Yang-Sub Lee, Yong-Dae Lee, Hyun-Soo Kim, Gye-Hwan Jin, Seong-Youl Choi, Yera Hur
Purpose: Although there are over 40,000 licensed radiological technologists (RTs) in Korea, job competency standards have yet to be defined. This study aims to clarify the job competency of Korean RTs. Methods: A task force team of 11 professional RTs were recruited in order to analyze the job competency of domestic and international RTs. A draft for the job competency of Korean RTs was prepared. A survey was then conducted sampling RTs and the attitudes of their competencies were recorded from May 21 to July 30, 2016...
May 11, 2017: Journal of Educational Evaluation for Health Professions
https://www.readbyqxmd.com/read/28500092/patient-centered-radiation-safety
#13
Benjamin W Roberts
Some suggest radiation safety is evolving from a provider-centered process to a more patient-centered approach. This shift places additional responsibility on radiologic technologists to educate patients about the possible risks and benefits of medical radiation exposure so patients can be equal partners in their care. This article discusses the ethics of radiation protection and the development of the patient-centered approach, and the radiologic technologist's role in ensuring patient-centered radiation safety is addressed...
May 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28500091/forensic-age-estimation-using-the-medial-clavicular-epiphysis-a-study-review
#14
Mary B Buckley, Kevin R Clark
PURPOSE: To discuss current literature evaluating the medial clavicular epiphysis to assess an individual's age using various imaging modalities. METHODS: Four scholarly research databases were searched to find studies that examined living subjects. Several articles were included that used cadavers, and a textbook was used to detail the anatomy of the clavicle. Thirty-nine articles were analyzed. RESULTS: The literature indicated that several imaging modalities, including conventional radiography, computed tomography, magnetic resonance, and sonography, are being used to evaluate the medial clavicular epiphysis to estimate an individual's age in the forensic context...
May 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28428472/examination-of-a-method-to-determine-the-reference-region-for-calculating-the-specific-binding-ratio-in-dopamine-transporter-imaging
#15
Ayumi Watanabe, Yusuke Inoue, Yuji Asano, Kei Kikuchi, Hiroki Miyatake, Takanobu Tokushige
The specific binding ratio (SBR) was first reported by Tossici-Bolt et al. for quantitative indicators for dopamine transporter (DAT) imaging. It is defined as the ratio of the specific binding concentration of the striatum to the non-specific binding concentration of the whole brain other than the striatum. The non-specific binding concentration is calculated based on the region of interest (ROI), which is set 20 mm inside the outer contour, defined by a threshold technique. Tossici-Bolt et al. used a 50% threshold, but sometimes we couldn't define the ROI of non-specific binding concentration (reference region) and calculate SBR appropriately with a 50% threshold...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28402432/educational-outcomes-of-a-medical-physicist-program-over-the-past-10%C3%A2-years-in-japan
#16
Noriyuki Kadoya, Kumiko Karasawa, Iori Sumida, Hidetaka Arimura, Yasumasa Kakinohana, Shigeto Kabuki, Hajime Monzen, Teiji Nishio, Hiroki Shirato, Syogo Yamada
The promotion plan for the Platform of Human Resource Development for Cancer (Ganpro) was initiated by the Ministry of Education, Culture, Sports, Science and Technology of Japan in 2007, establishing a curriculum for medical physicists. In this study, we surveyed the educational outcomes of the medical physicist program over the past 10 years since the initiation of Ganpro. The Japan Society of Medical Physics mailing list was used to announce this survey. The questionnaire was created by members of the Japanese Board for Medical Physicist Qualification, and was intended for the collection of information regarding the characteristics and career paths of medical physics students...
April 11, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28356198/prevalence-of-unanticipated-events-associated-with-mri-examinations-a-benchmark-for-mri-quality-safety-and-patient-experience
#17
Gelareh Sadigh, Kimberly E Applegate, Amit M Saindane
PURPOSE: To determine the prevalence of unanticipated events (UE) associated with MRI examinations in a multicenter academic radiology department. METHODS: UE reported by MRI technologists for examinations performed between June 2013 and November 2014 on 17 scanners in a university- and community-affiliated single health system were retrospectively reviewed. Events were categorized into the following categories: (1) problems with orders and scheduling; (2) scan delays; (3) unanticipated foreign bodies; (4) non-contrast-related patient events (eg, patient motion, discomfort, claustrophobia, need for sedation); (5) contrast-related patient events; and (6) technical acquisition issues...
March 26, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28350475/occupational-radiation-exposure-and-deaths-from-malignant-intracranial-neoplasms-of-the-brain-and-cns-in-u-s-radiologic-technologists-1983-2012
#18
Cari M Kitahara, Martha S Linet, Stephen Balter, Donald L Miller, Preetha Rajaraman, Elizabeth K Cahoon, Raquel Velazquez-Kronen, Steven L Simon, Mark P Little, Michele M Doody, Bruce H Alexander, Dale L Preston
OBJECTIVE: Childhood exposure to acute, high-dose radiation has consistently been associated with risk of benign and malignant intracranial tumors of the brain and CNS, but data on risks of adulthood exposure to protracted, low-to-moderate doses of radiation are limited. In a large cohort of radiologic technologists, we quantified the association between protracted, low-to-moderate doses of radiation and malignant intracranial tumor mortality. MATERIALS AND METHODS: The study population included 83,655 female and 26,642 male U...
March 28, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28338899/work-practices-and-radiation-exposure-among-male-radiologic-technologists-assisting-fluoroscopically-guided-interventional-procedures
#19
Jae Won Yun, Eun Shil Cha, Seulki Ko, Won Jin Lee
This study investigated occupational characteristics and radiation exposure among radiologic technologists assisting fluoroscopically guided interventional (FGI) procedures. A nationwide survey of radiologic technologists in South Korea was conducted. Among 8058 male respondents, 664 (8.2%) assisted FGI procedures. The survey data were linked with dosimetry data from the National Dose Registry. Most radiologic technologists assisting FGI procedures were 30-40 years old and employed by general hospitals. These technologists worked in closer proximity to patients during procedures, less frequently used shield screens, more commonly utilized protective devices, and less commonly wore badge dosemeters than the ones not assisting FGI procedures...
March 3, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28298577/trauma-imaging-a-literature-review
#20
Jason Heath Vela, Christopher Ira Wertz, Kimberly L Onstott, Joss R Wertz
PURPOSE: To inform radiologic technologists about which imaging modalities and examinations are best suited for evaluating specific anatomical structures in patients who have sustained a traumatic injury. METHODS: Two scholarly research databases were searched to identify articles focused on trauma imaging of the head, cervical spine, thorax, abdomen, and pelvis. Articles focused on trauma diagnosis were excluded. Thirty-two articles were selected for analysis. DISCUSSION: Physical examination and plain-film radiographs typically are used to assess nasal bone fracures...
January 2017: Radiologic Technology
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