Radiologic technology

Publisher: American Society of Radiologic Technologists

Journal description

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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: Pancreatic disease often is asymptomatic until tissue damage and complications occur or until malignancies have reached advanced stages and have metastasized. Contrast-enhanced multidetector computed tomography plays a central role in diagnosing, staging, and treatment planning for pancreatitis and pancreatic cancer. This article introduces the functional anatomy of the pancreas and common bile duct and the epidemiology, pathobiology, and computed tomography imaging of pancreatitis, calculi, and pancreatic cancer.
    Radiologic technology 07/2015; 86(6):645CT-64CT.
  • Radiologic technology 07/2015; 86(6):686-8.
  • Radiologic technology 07/2015; 86(6):700-1.
  • Radiologic technology 07/2015; 86(6):702-8.
  • Radiologic technology 07/2015; 86(6):675-7.
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    ABSTRACT: Interventional ablative technologies aided by imaging techniques such as ultrasonography, computed tomography, and magnetic resonance imaging have been crucial in managing patients with primary liver cancer and liver metastases over the past 20 years. Several ablative technologies have been used to treat liver cancer; however, radiofrequency ablation (RFA) has emerged as the most common ablative therapy for hepatic lesions, both in the United States and globally. RFA is the treatment of choice for patients who cannot have surgical resection of the liver. This article focuses on the role of imaging in RFA treatment of primary and metastatic hepatic lesions.
    Radiologic technology 07/2015; 86(6):645-64.
  • Radiologic technology 07/2015; 86(6):682-3.
  • Radiologic technology 07/2015; 86(6):673.
  • Radiologic technology 07/2015; 86(6):672-3.
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    ABSTRACT: This case report details an incidental finding of a submandibular duct fistula to a patient's posterior mouth floor found on a barium swallow examination that was performed to rule out gastrological causes of substernal chest pain. The radiologist was unable to determine the cause of the filling defect at the time of the study. The patient's history revealed that a large calculus of unknown size had been passed spontaneously through the floor of the mouth, rupturing the proximal gland duct and creating the fistula. Sialolithiasis is the formation of calculi in the salivary gland and is the most common disease of the salivary glands, with the submandibular glands affected more often than others. The condition is more common in men than in women and most often affects individuals aged between 30 and 60 years. In general, the etiology of sialolithiasis is unknown. However, examining comorbidities and possible risk factors, such as tobacco use, and how they alter the saliva and the function of the salivary glands might lead to a better understanding of their cause.
    Radiologic technology 07/2015; 86(6):610-3.
  • Radiologic technology 07/2015; 86(6):684-5.
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    ABSTRACT: Although the advent of nonionic low-osmolar contrast agents has reduced the probability of a reaction to radiopaque contrast media derived from tri-iodinated benzoic acid, reactions still occur. Radiologic technologists must understand and know how to manage adverse effects of contrast media. Prompt attention to patients who exhibit the early signs of an adverse reaction can help to ensure the reaction does not progress to become severe or life-threatening.
    Radiologic technology 07/2015; 86(6):623-38.
  • Radiologic technology 07/2015; 86(6):678-81.
  • Radiologic technology 07/2015; 86(6):673-4.
  • Radiologic technology 07/2015; 86(6):689-93.
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    ABSTRACT: The selection of technical factors to produce an image is driven primarily by the patient, body part, and factors regarding the status of that patient or part. Analog receptor systems are restricted by the ranges of data they are able to record, as well as the quantity and quality of data required to record an image. Using digital receptors allows for a wider range of exposure factors because of the nature of the receptor systems and the data processing methods employed. Thus, factor selection can be more patient centered when using digital receptors to produce a radiograph. To explore the relationship between milliampere seconds (mAs), kilovoltage peak (kVp), and additional copper filtration with exposure indicators and entrance skin exposure (ESE) using both analog and digital receptors. Researchers conducted 2-tailed t-tests using Stata/IC version 11.2 software (StataCorp LP) to compare ESE from several trials using hip and knee phantoms. The analysis indicated that increasing kVp, adding 0.1 mm copper filtration, and correspondingly reducing mAs reduced ESE on a hip phantom by 64%, from 151 mR to 54.4 mR and reduced ESE on a knee phantom by 51%, from 27.2 mR to 13.4 mR. Radiology departments and radiologic technologists can consider these data when creating dose reduction protocols. The wider latitude range of digital radiography can be used to minimize patient exposure while still producing images of diagnostic quality within the acceptable exposure indicator range stated by the manufacturer.
    Radiologic technology 07/2015; 86(6):603-9.
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    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.