Contrast media in computed tomography

international workshop, Berlin, January 14-17, 1981

Publisher: Excerpta Medica, Publisher: Sole distributors for the USA and Canada, Elsevier North-Holland in Amsterdam, Princeton, New York, NY

Written in English
Published: Pages: 302 Downloads: 427
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Subjects:

  • Tomography -- Congresses.,
  • Contrast media -- Congresses.,
  • Contrast media -- Congresses.,
  • Tomography, X-ray computed -- Congresses.

Edition Notes

Includes bibliographical references and index.

Statementeditors, R. Felix, E. Kazner, O.H. Wegener.
SeriesInternational congress series ;, no. 561
ContributionsFelix, R., Kazner, E., Wegener, O. H.
Classifications
LC ClassificationsRC78.7.T6 C66
The Physical Object
Paginationviii, 302 p. :
Number of Pages302
ID Numbers
Open LibraryOL4259941M
LC Control Number81005559

Of all the books about Computed Tomography, this one is the best. It is filled with great info on every page. If you are learning to scan, reviewing for the CT registry, or wanting to learn how to read the exam from a RA or radiologist point of view, then this book is for s: A CT scan or computed tomography scan (formerly known as a computed axial tomography or CAT scan) is a medical imaging technique that uses computer-processed combinations of multiple X-ray measurements taken from different angles to produce tomographic (cross-sectional) images (virtual "slices") of a body, allowing the user to see inside the body without cutting. A computed tomography (CT) of the abdomen images the region from the thoracic diaphragm to the pelvic groin. The computed tomography technique uses x-rays to differentiate tissues by their different radiation absorption rates. Oral contrast material can be given to opacify the bowel before scanning. An i.v. injection of a contrast agent (x-ray dye) improves the visualization of organs like.   Types of Contrast Media. All currently used computed tomography (CT) contrast agents are based on the triiodinated benzene ring. Whereas the iodine atom is responsible for the radiopacity of contrast media, the organic carrier is responsible for its other properties, such as osmolality, tonicity, hydrophilicity, and viscosity.

In computed tomography (CT), an x-ray tube moves around the body and continuously projects a thin fan of x-rays through the body. Electronic detectors opposite the tube continuously monitor the number of x-rays passing through the body and the angle at which the beam is being projected. Computed tomography is commonly referred to as a CT scan. A CT scan is a diagnostic imaging procedure that uses a combination of X-rays and computer technology to produce images of the inside of the body. It shows detailed images of any part of the body, including the bones, muscles, fat, organs and blood vessels. CONTRAST MEDIA: Contrast. Contrast enhancement in multidetector-row computed tomography (MDCT) of the abdomen: intraindividual comparison of contrast media containing mg versus mg iodine per ml 29 January | European Radiology, Vol. 18, No. 6. BackgroundDiseases of the bowel are not always displayed on conventional abdominal computed tomography (CT). The studied oral contrast agent aims to .

Computed Tomography Clinical Applications CT VScore™ CT VScore* is a calcium scoring application that provides the ability to visualize, measure and create a report of coronary calcification and calculate the calcium score using a non-contrast cardiac CT exam. It .   Computed tomography of the abdomen and pelvis, performed as a contrast CT, here presented in the axial, coronal and sagittal planes, with 3 mm slice shows normal anatomy, with no injuries. The subject is a 21 year old male who had blunt trauma to the upper abdomen during motocross.. To move through the images, hover over the image and roll a scroll wheel, drag the . NEW YORK, Dec. 23, /PRNewswire/ -- Contrast Media market worldwide is projected to grow by US$ Billion, driven by a compounded growth of %.X-ray/Computed Tomography (CT), one of the.

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Wegener O-H, Claussen CD () Contrast media in computed tomography of the mediastinum and the lung. In: Felix R, Kazner E, Wegener OH (eds) Contrast media in computed tomography. Excerpta Medica, Amsterdam, pp – Google ScholarCited by:   The use of contrast media in computed tomography (CT) and magnetic resonance imaging (MRI) is increasing in horses.

These contrast‐enhanced imaging techniques provide improved tissue delineation and evaluation, thereby expanding diagnostic capabilities. While generally considered safe, not all contrast media exhibit the same safety by: Contrast media The Physics and Instrumentation section covers: System principles, operation, and components CT imagers Image processing and display Image reconstruction Computed Tomography test prep book that provides a comprehensive review for the Computed Tomography test.

Research article Intravenous contrast media in radiation therapy Contrast media in computed tomography book computed tomography scans – Current practice in Ireland Shane Minoguea, Charles Gillhamb, Maeve Kearneya, Laura Mullaneya,⇑ a Applied Radiation Therapy Trinity, Discipline of Radiation Therapy, School of Medicine, Trinity College Dublin, Ireland bSt.

Luke’s Radiation Oncology Network, Dublin, Ireland. Sang‐Kwon Lee, Dahae Lee, Dongeun Kim, Ahyoung Cha and Jihye Choi, Effect of catheter size and injection rate of contrast agent on enhancement and image quality for triple‐phase helical computed tomography of the liver in small dogs, Veterinary Radiology & Ultrasound, 58, 6, (), ().Cited by: 7.

In our hospital, an adverse event reporting system was initiated that alerts the plastic surgery department immediately after suspecting contrast media extravasation injury. This system is particularly important for a large volume of extravasation during power injector use.

Between March and Maya retrospective chart review was performed on all patients experiencing contrast media. Dual-energy computed tomography (DECT) allows for an accurate and reliable quantification of iodine and therefore provides information regarding the distribution of iodinated contrast media [10,11,12,13,14,15].

Accuracy of iodine quantification has been demonstrated for all different technical approaches to DECT [12, 16, 17]. Results of iodine. Computed Tomography and Contrast Media Enhanced Practice Authorization Program (December ) Alberta College of Medical Diagnostic and Therapeutic Technologists 6 Signing Authority for Verification of Achievement A technologist, with a minimum of six months full time equivalent experience in a CT environment, can attest to.

Kishimoto M., Doi S., Shimizu J., Lee K.J., Iwasaki T., Miyake Y. Influence of osmolarity of contrast medium and saline flush on computed tomography angiography: comparison of monomeric and dimeric iodinated contrast media with different iodine concentrations at an identical iodine delivery rate.

Eur J Radiol. ; 76 (1)–   A CT (computed tomography) scan, also called a CAT scan, is a type of specialized X-ray.

The scan can show cross-sectional images of a specific. Background: Gold nanoparticles with high atomic number and density have good potential to be used as contrast media in computed tomography.

Objectives: In this study, we aimed to assess radiation dose and contrast enhancement performance of gold nanoparticles by measuring contrast to noise ratio compared to clinically used iodinated contrast agents at same concentrations. Multidetector-row CT has dramatically improved the results of computed tomography in all clinical applications, but its beneficial impact has been most striking in vascular imaging.

The simplicity of acquisition and the wide availability of equipment make this modality especially suitable for routine clinical application.

In this book the basic aspects of multidetector-row CT angiography are. Computed Tomography Angiography. CT angiography (CTA) uses a contrast bolus timed in the arterial phase for the evaluation of the major intra- and extracerebral blood vessels to evaluate for vascular injury.

From: Handbook of Neuroemergency Clinical Trials (Second Edition), Related terms: Pulmonary Embolism; Magnetic Resonance Imaging; Lesion. Multidetector-row computed tomography (MDCT) has advanced the approach to diagnostic assessment of many pathologies and now plays an integral role in imaging of both abdominal and cardiovascular diseases.

The possibility to acquire diagnostic images with shorter scan duration, longer scan ranges. Late Adverse Events Following Administration of Iodinated Contrast Media: An Update. Alberto Spinazzi. Pages About this book.

Introduction. Multidetector-row computed tomography (MDCT) has advanced the approach to diagnostic assessment of many pathologies and now plays an integral role in imaging of both abdominal and cardiovascular.

Introduction. Up to 21% of computed tomography (CT) scans are degraded by radiodense metal objects, including shrapnel, surgical clips, prostheses, pacers, embolization coils, or external monitoring devices.

1 Artifact severity can range from slight, localized image artifacts to severe, far-ranging artifacts that may obscure gross anatomy and render diagnosis impossible. Evaluating the Image Quality of Monoenergetic Images From Dual-Energy Computed Tomography With Low-Concentration and Low-Flow-Rate Contrast Media for the Arterials Supply to the Nipple-Areola Complex in Breast Cancer Compared With Conventional Computed Tomography Angiography.

In Januaryparticipants from Asia, USA, and Europe lively discussed the "State of the Art and Future Aspects of CT" in Peking, China. The workshop was designed to cover all essential aspects of modern CT imaging including the historical development, different techniques, contrast agents.

Learn the latest advances in veterinary diagnostic radiology. Textbook of Veterinary Diagnostic Radiology, 7th Edition, is a one-stop resource covering the principles of radiographic technique and interpretation for dogs, cats, and horses.

Within this bestselling text, high-quality radiographic images accompany clear coverage of diagnostic radiology, ultrasound, MRI, and CT.

Contrast Agents can be divided in four main categories: 1. Iodine based non ionic contrast media for X-ray, Computed Tomography (CT), Angiography and Interventional Procedures; these contrast materials can be also injected, within the disks or the fluid spaces of the spine and into other body cavities (i.e.

fluid collections, abscesses etc.). Iodinated contrast media are contrast agents that contain iodine atoms used for x-ray-based imaging modalities such as computed tomography (CT), although they are also used in fluoroscopy, angiography and venography, and even occasionally, plain radiography.

Although the intravenous route of administration is most common, they are also administered by many other routes, including. Computed tomography (CT) has grown quickly from an innovative specialized tool to a mainstay of medicine in every healthcare setting.

Hospitals, outpatient clinics, and physician offices find CT to be an essential tool for patient diagnosis and management. Every year brings new advances in CT technology and applications.

This chapter is dedicated to the basic. ISBN: OCLC Number: Description: xiii, pages: illustrations ; 27 cm. Series Title: Fortschritte auf. COMPUTED TOMOGRAPHY (CT) OF THE HEAD.

PREAMBLE. adverse reactions to contrast media. The supervising physician should be familiar with how individual CT settings affect radiation dose and image quality, including field of view (FOV), collimation, pitch, automated exposure.

Information about the open-access article 'Intravenous contrast media in radiation therapy planning computed tomography scans – Current practice in Ireland' in DOAJ.

DOAJ is an online directory that indexes and provides access to quality open access, peer-reviewed journals. ORIGINAL ARTICLE. Immediate adverse reactions to intravenous iodinated contrast media in computed tomography 1. Beatriz Cavalcanti Juchem I; Clarice Maria Dall'Agnol II.

IRN, Porto Alegre Hospital de Clínicas Radiology Unit (HCPA), e-mail: [email protected] II Advisor, RN, PhD in Nursing, Adjunct Professor, Rio Grande do Sul University College of Nursing, e-mail:. Multilocular cystic renal neoplasm of low malignant potential (MCRNLMP) might be benefited from nephron-sparing surgery.

Contrast-enhanced computed tomography is used for the diagnosis of MCRNLMP but contrast-enhanced ultrasound has lack of nephrotoxicity and several advantages over contrast-enhance. Computed tomography angiography (also called CT angiography or CTA) is a computed tomography technique used to visualize arterial and venous vessels throughout the body.

Using contrast injected into the blood vessels, images are created to look for blockages, aneurysms (dilations of walls), dissections (tearing of walls), and stenosis (narrowing of vessel). In a nonpregnant adult with clinical signs and symptoms of appendicitis, computed tomography has a sensitivity of 95% and specificity of 94%.

In computed tomography (CT), which used to be called computed axial tomography (CAT), an x-ray source and x-ray detector rotate around a person.

In modern scanners, the x-ray detector usually has 4 to 64 or more rows of sensors that record the x-rays that pass through the body. The Role of Contrast Enhanced Computed Tomography in Integrated Positron Emission Tomography Computed Tomography Study. By Abdul Jalil Nordin, Noraini Abdul Rahim, Fathinul Fikri Ahmad Saad, Ahmad Zaid and Ahmad Zaid Fattah Azman.

Submitted: November 20th Reviewed: May 26th Published: January 5th DOI: /Multidetector-row computed tomography (MDCT) has advanced the approach to diagnostic assessment of many pathologies and now plays an integral role in imaging of both abdominal and cardiovascular diseases.

The possibility to acquire diagnostic images with shorter scan duration, longer scan ranges, and/or thinner sections, MDCT has facilitated the opening of new horizons, such as interventional.Venous air embolism (VAE) can be observed in the right heart system on contrast-enhanced computed tomography (CT), following injection of contrast media with a power injector system.

Although most VAEs are mostly asymptomatic, they may result in paradoxical .