Tomography techniques

Xem 1-20 trên 29 kết quả Tomography techniques
  • Essential for students, science and medical graduates who want to understand the basic science of Positron Emission Tomography (PET), this book describes the physics, chemistry, technology and overview of the clinical uses behind the science of PET and the imaging techniques it uses. In recent years, PET has moved from high-end research imaging tool used by the highly specialized to an essential component of clinical evaluation in the clinic, especially in cancer management.

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  • As our understanding of the disease processes and the biomechanics of the hip joint and bony pelvis improves, there is a need to continuously update radiologists, orthopaedic surgeons and other professionals working in this fi eld. This book, in common with several others published in this series, takes a dual approach to the subject. The fi rst section acquaints the reader with the full range of techniques available for imaging the hip joint and musculoskeletal pelvic pathology, emphasizing the indications and contraindications....

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  • This volume is the first of a series on “Physical Techniques in the Study of Art, Archaeology and Cultural Heritage”. It follows a successful earlier publication by Elsevier (Radiation in Art and Archaeometry), also produced by the editors of this book, Dr David Bradley (Department of Physics, University of Surrey) and Professor Dudley Creagh (Director of the Cultural Heritage Research Centre, University of Canberra).

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  • In 1991, optical coherence tomography (OCT) was initially introduced to image the transpar‐ ent tissue of eyes at a level of resolution significantly greater than conventional ultrasound technique. OCT uses infrared light to produce images on a micrometer scale. The intensity of the reflected light is displayed as a false color or grey scale image. OCT imaging is analo‐ gous to ultrasound B mode imaging, except that it performs imaging by measuring the in‐ tensity of reflected or back scattered light rather than acoustic...

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  • Noninvasive cardiac imaging is an integral part of the practice of current clinical cardiology. During the past three decades a number of distinctly different noninvasive imaging techniques of the heart, such as radionuclide imaging, echocardiography, magnetic resonance imaging, and X-ray computed tomography have been developed. Remarkable progress has been made by each of these technologies in terms of technical advances, clinical procedures, and clinical applications/indications.

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  • Optical coherence tomography (OCT) is an interferometric technique based on optical coherent gating. In OCT, imaging contrast originates from the sample inhomogeneous scattering properties that are linearly dependent on the sample’s refractive indices. OCT offers axial resolution of 2‐15 μm and penetration depth around 2 mm. Since its invention in the late 1980s and early 1990s, OCT has experienced explosive growth in both technology and application.

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  • (BQ) Part 1 book "Imaging of the hip & bony pelvis - Techniques and applications" presents the following contents: Radiographic evaluation, computed tomography (CT) and CT arthrography, MR and MR arthrography, ultrasound, nuclear medicine, interventional procedures, congenital and developmental abnormalities,...

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  • .Mathematical Methods in Image Reconstruction .S1AM Monographs on Mathematical Modeling and Computation About the Series In 1997, SIAM began a new series on mathematical modeling and computation.

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  • Chapter 1 presents IVUS. Intravascular ultrasound images represent a unique tool to guide interventional coronary procedures; this technique allows to supervise the cross-sectional locations of the vessel morphology and to provide quantitative and qualitative information about the causes and severity of coronary diseases. At the moment, the automatic extraction of this kind of information is performed without taking into account the basic signal principles that guide the process of image generation....

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  • Computed tomography (CT) is the mainstay of cancer imaging outside of the central nervous system. Advances in multidetector CT (MDCT) technology have had a profound impact on its diagnostic capabilities. Such techniques as multiphase, single breath-hold imaging, CT angiography (CTA), volume rendering and virtual colonography owe their success to the development of multidetector arrays with continuously moving gantries.

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  • The art of imaging blood vessels in the human body is called angiography. Since its inception, physicians have benefited from the field of angiography imaging. This has helped them to diagnostically treat patients with various kinds of vascular diseases. Recently, because of the technology growth in fields of acquisition techniques, such as magnetic resonance, computer tomography, digital subtraction angiography, and ultrasound, the vascular imaging research community has become very interested. But acquisition is just one side of the coin.

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  • This book provides a review of image analysis techniques as they are applied in the field of diagnostic and therapeutic nuclear medicine. Driven in part by the remarkable sophistication of nuclear medicine instrumentation and increase in computing power and its ready and inexpensive availability, this is a relatively new yet rapidly expanding field. Likewise, although the use of nuclear imaging for diagnosis and therapy has origins dating back almost to the pioneering work of Dr G.

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  • The number of diagnostic nuclear medicine procedures has grown in the fi rst few years of the new century. Nuclear cardiology has diversifi ed, stimulating development of new equipment and imaging protocols. Gated myocardial perfusion imaging completed with quantifi cation is now a standard procedure. Faster computers have led to improved reconstruction techniques, higher image quality, increased patient throughput and more automated acquisition and processing protocols.

    pdf355p echbuon 02-11-2012 19 3   Download

  • Noninvasive cardiac imaging is an integral part of the practice of current clinical cardiology. During the past three decades a number of distinctly different noninvasive imaging techniques of the heart, such as radionuclide imaging, echocardiography, magnetic resonance imaging, and X-ray computed tomography have been developed. Remarkable progress has been made by each of these technologies in terms of technical advances, clinical procedures, and clinical applications/indications.

    pdf340p waduroi 03-11-2012 22 3   Download

  • The primary purpose of this guideline is to improve diag- nostic accuracy for adult rhinosinusitis, reduce inappropri- ate antibiotic use, reduce inappropriate use of radiographic imaging, and promote appropriate use of ancillary tests that include nasal endoscopy, computed tomography, and testing for allergy and immune function. Secondary goals include creating a guideline suitable for deriving a performance measure on rhinosinusitis and training participants in guide- line methodology to facilitate future development efforts.

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  • Information about the topology and link-level characteristics of a network is critical for many applications including network diagnostics and management. However, this information is not always directly accessible; subnetworks may not cooperate in releasing information and widespread local measurement can be prohibitively expensive. Network tomographic techniques obviate the need for network cooperation, but the majority assume probing from a single source, which imposes scalability limitations because sampling traffic is concentrated on network links close to the source.

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  • (BQ) Part 2 book "Ultrasound imaging and therapy" presents the following contents: Diagnostic ultrasound imaging (ultrasound elastography, quantitative ultrasound techniques for diagnostic imaging and monitoring, task based design and evaluation of ultrasonic imaging systems,...), therapeutic and interventional ultrasound imaging.

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  • Although a general understanding persists that the human brain functions similarly in women and in men, an increasing body of knowledge indicates that neuronal connectivity, recruitment, and disease patterns exhibit gender differences. Imaging techniques such as positron emission computerized tomography (PET) and single photon emission computerized tomography (SPECT) have highlighted some gender-based differences in human brain function.

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  • As part of The European Society of Cardiology Education Series, this book is focused on the use of non-invasive imaging in clinical cardiology. Currently, the main non-invasive imaging modalities include echocardiography, nuclear imaging, cardiac magnetic resonance (CMR), and (multi-slice) computed tomography (MSCT). Rather than providing another textbook on imaging techniques, the central theme in this book is how to use these different imaging modalities to solve clinical problems that physicians encounter on a regular basis....

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  • Because of the availability of powerful computational techniques, new modality techniques such as Computer-Aided Tomography (CAT), Magnetic Resonance Imaging (MRI) and others, and because of the new techniques of imaging processing (machine vision), the lives of many patients will be saved, and the quality of all our lives improved. This marriage of powerful computer technology and medical imaging has spawned a new and growing generation of young dynamic doctors who hold PhDs in physics and/or computer science, along with their MDs.

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