Radiologic technology

Publisher: American Society of Radiologic Technologists

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Other titles Radiologic technology (Online), Radiologic technology
ISSN 1943-5657
OCLC 39843061
Material type Document, Periodical, Internet resource
Document type Internet Resource, Computer File, Journal / Magazine / Newspaper

Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: To explore the role and usefulness of preoperative breast magnetic resonance (MR) imaging in surgical planning and to determine whether routine use of preoperative breast MR imaging benefits patients. Searches were conducted to locate literature, specifically clinical studies, discussing the effect preoperative breast MR imaging has on altering surgical plans. Selected articles encompassed topics including additional biopsies, wider excisions, mastectomies, and re-excisions. The results of these studies were examined for the purpose of supporting or refuting the notion that preoperative MR imaging is beneficial. Consensus is lacking about the role of preoperative MR imaging in surgical planning for patients with breast cancer. Some studies support the use of the technique, while others do not. Preoperative breast MR imaging influences surgical planning for patients with breast cancer. When used before surgery, MR imaging can lead to changes in the surgical plan. Changes include additional biopsies, a more extensive lumpectomy, or the potential for a mastectomy. Certain research studies conclude that MR imaging improves surgical planning, while others disagree. The current available literature does not reach a sole conclusion. Some studies suggest that MR imaging is beneficial, while others declare that it leads to unnecessary surgical changes. Additional studies do not reach a decision either way and instead call for further research. The lack of consensus indicates that more research is needed before the usefulness of breast MR imaging for surgical planning can be determined.
    Radiologic technology 05/2015; 86(5):499-510.
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    ABSTRACT: Potential biological damage from radiation received during fluoroscopy procedures is of particular concern because of the high volume and variety of procedures performed and the increasing length of radiation exposure. This article focuses on the effects of low-level radiation, gaps in education and skills among personnel performing and assisting with fluoroscopy, the certification and privileging of fluoroscopy personnel, and compliance with radiation protection practices.
    Radiologic technology 05/2015; 86(5):511-28.
  • Radiologic technology 05/2015; 86(5):565-9.
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    ABSTRACT: Developing countries have far fewer trained radiography professionals than developed countries, which exacerbates the limited access to imaging services. The lack of trained radiographers reflects, in part, limited availability of radiographer-specific educational resources. Historically, organizations that provided such resources in the developing world faced challenges related to the limited stock of current materials as well as expenses associated with shipping and delivery. Four mobile electronic devices (MEDs) were loaded with educational content (e-books, PDFs, and digital applications) spanning major radiography topics. The MEDs were distributed to 4 imaging departments in Ghana, India, Nepal, and Nigeria based on evidence of need for radiography-specific resources, as revealed by survey responses. A cost comparison of postal delivery vs digital delivery of educational content was performed. The effectiveness of delivering additional content via Wi-Fi transmission also was evaluated. Feedback was solicited on users' experience with the MEDs as a delivery tool for educational content. An initial average per e-book expense of $30.05, which included the cost of the device, was calculated for the MED delivery method compared with $15.56 for postal delivery of printed materials. The cost of the MED delivery method was reduced to an average of $10.05 for subsequent e-book deliveries. Additional content was successfully delivered via Wi-Fi transmission to all recipients during the 3-month follow-up period. Overall user feedback on the experience was positive, and ideas for enhancing the MED-based method were identified. Using MEDs to deliver radiography-specific educational content appears to be more cost effective than postal delivery of printed materials on a long-term basis. MEDs are more efficient for providing updates to educational materials. Customization of content to department needs, and using projector devices could enhance the usefulness of MEDs for radiographer training.
    Radiologic technology 05/2015; 86(5):490-498.
  • Radiologic technology 05/2015; 86(5):580-3.
  • Radiologic technology 05/2015; 86(5):574-9.
  • Radiologic technology 05/2015; 86(5):570-3.
  • Radiologic technology 05/2015; 86(5):584-9.
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    ABSTRACT: Computed tomography (CT) of the temporal bone is performed to evaluate trauma, tumors, sinuses, the skull base, or otic structures. This article discusses temporal bone anatomy and reviews CT technique for a temporal bone examination. Some conditions associated with temporal bone examinations, auditory symptoms, and postoperative changes also are discussed.
    Radiologic technology 05/2015; 86(5):535CT-55CT.
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    ABSTRACT: As the pace of life increases, stress is becoming endemic, and in the radiologic sciences, stress is keenly felt by technologists and patients. Meditation, a potential remedy to stress, is the subject of an increasing number of medical studies that often rely upon radiologic imaging scans to determine the physiological effects of meditation on brain activity. A wide range of meditation techniques have beneficial effects on the mind, body, and emotions. Radiologic technologists might find that meditation improves their quality of life as well as their level of job satisfaction, allowing them to provide improved quality of care to their patients.
    Radiologic technology 05/2015; 86(5):535-55.
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    ABSTRACT: Breast cancer is the second leading cause of death among women in the United States. Although controversy has emerged in recent years regarding the diagnosis and treatment of this disease, it remains important to detect and treat breast cancer before it has metastasized. This article provides an overview of breast biopsy techniques, biopsy specimen imaging, and treatment options for breast cancer patients, including surgery, radiation therapy, chemotherapy, and molecular treatments. Finally, breast reconstruction options are presented.
    Radiologic technology 05/2015; 86(5):535M-58M.
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    ABSTRACT: To determine whether manipulating routine projections from anteroposterior (AP) to posteroanterior (PA) during projection radiography studies will result in reduced pediatric radiation exposure. A literature analysis was conducted on pediatric radiation exposure, radiation protection, and tissue weighting factors. Multiple quantitative datasets were used to support findings related to projection manipulation. Dosimetric studies confirm that the PA projection significantly decreases radiation exposure to nearly all radiosensitive tissue, with the exception of the patient's bone marrow. Pediatric patients are inherently more sensitive to ionizing radiation, making this patient population a major focus of dose-reduction issues. Radiologic technologists are charged with keeping dose as low as reasonably achievable (following the ALARA principle), and performing PA projections rather than routine AP projections might decrease radiation to the pediatric population. The PA projection results in a definitive reduction in radiation exposure to the majority of radiosensitive organs and tissues and should be considered for implementation on a routine basis.
    Radiologic technology 05/2015; 86(5):481-489.
  • Radiologic technology 03/2015; 86(4):443-4.
  • Radiologic technology 03/2015; 86(4):462-6.
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    ABSTRACT: Acute respiratory distress syndrome (ARDS) is a life-threatening condition with multiple causes and a high mortality rate. Approximately 150 000 cases are reported in the United States annually, making ARDS a public health concern. Management of the condition is complex because of its severity, and medical imaging is essential for both the diagnosis and management of ARDS. This article introduces common signs, symptoms, risk factors, and causes of ARDS. Diagnostic criteria, histopathology, treatment strategies, and prognostic information also are discussed. The article explains the value of medical imaging studies of ARDS, especially radiography, computed tomography, and ultrasonography.
    Radiologic technology 03/2015; 86(4):419-36.
  • Radiologic technology 03/2015; 86(4):467-8.
  • Radiologic technology 03/2015; 86(4):468.
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    ABSTRACT: To investigate the range of collimation errors in x-ray rooms and to calculate their possible effects on the radiation dose for anteroposterior pelvic examinations. A collimator test tool was suspended at 3 heights (14, 21, and 28 cm) above the table Bucky in 9 x-ray rooms. Heights corresponded to the typical patient thickness (mean, ± 2 SD) of 67 patients undergoing anteroposterior pelvic radiography. The x-ray beam was visually collimated to the inner boundary of the test tool and exposed to radiation. Differences between the visualized field size and the resultant x-ray field size (corrected for magnification) indicated a collimation error. Next, using a pelvic phantom, minimum textbook collimation was set and then changed and verified to simulate a range of possible collimation errors. Phantom examinations used a standard anteroposterior technique with exposure termination using outer automatic exposure control chambers. Dose area product (DAP) was recorded. All but 1 of the 9 x-ray machines had a smaller irradiated area than was visually set. Errors ranged from a 16% reduction in irradiated field size to a slight overirradiation by 0.4%. Assuming that these errors could be larger in other institutions, additional errors with a range of -27% to 18% were simulated. Increases in field size by 1 cm (superiorly/inferiorly) increased the DAP by 5%. Laterally, a 1-cm increase caused a 4% rise in DAP. Increases of 1 cm in both planes raised DAP by 4%. Within a single clinical department, minimal collimation errors were demonstrated. Further evidence from multiple centers would be beneficial; however, such low incidences might reflect strict legislative requirements governing the use of ionizing radiation. Understanding the magnitude of any error is important, but it is also important to ascertain an error's influence on the effective radiation dose for any given examination. Overall, collimation errors were minimal and favored underirradiation. Small collimation errors can affect DAP and are more dose significant in the superior/inferior plane.
    Radiologic technology 03/2015; 86(4):379-91.
  • Radiologic technology 03/2015; 86(4):468.
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    ABSTRACT: The breast undergoes extensive changes during pregnancy and lactation that can create diagnostic challenges. This article reviews the anatomy of the breast, breast changes associated with pregnancy and lactation, and breast imaging techniques for pregnant and lactating women. Various benign breast conditions in this patient population also are discussed, such as lactating adenomas, galactoceles, and granulomatous mastitis. Finally, pregnancy-associated breast cancer is presented, including its epidemiology, diagnosis, staging, treatment, and prognosis.
    Radiologic technology 03/2015; 86(4):419M-38M.