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Combined positron emission tomography (PET) or single photon emission computed tomography (SPECT) with computed tomography (CT) has developed into the faste- growing imaging modality largely because combined PET or SPECT with CT data acquisition is highly synergistic in diagnosis and therapeutic evaluation. All currently available data indicate that integrated PET or SPECT/CT is more sensitive and s- ci?c than either of its constituent imaging methods alone and probably more so than images obtained from separate systems viewed side by side. The PET or SPECT/CT provides precise localization of the lesions, thereby increasing diagnostic speci?city particularly by reducing false-positive ?ndings. The other advantage of adding CT is that the transmission data obtained with the CT component is useful for attenuation correction of the emission data. This makes PET/CT 25%-30% faster than PET alone with standard attenuation-correction method, leading to higher patient throughput and a more comfortable examination, which typically lasts 30 minutes or less. With hybrid imaging, unique physiologic information bene?ts from a precise to- graphic localization. Simultaneous evaluation of metabolic and anatomic information about normal and disease processes is needed to answer complex clinical questions and also raise the level of con?dence of scan interpretation. It is always dif?cult to consider three dimensions in the mind's eye and view the relationship of the viscera and fascial planes in transverse and vertical sections of the body's structure. The introduction of modern imaging techniques has enormously expanded the already considerable importance of sectional anatomy.

Physical methods for diagnosis --- PET (positron-emission tomography) --- diagnostiek (geneeskunde) --- PET/CT --- radiologie --- medische beeldvorming

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Clinical PET-CT in Radiology: Integrated Imaging in Oncology presents the latest hybrid scanning technology for applications of clinical PET-CT within body imaging. In this comprehensive text, Paul Shreve, MD, and David W. Townsend, PhD, have brought together an internationally-distinguished group of authors to cover all aspects of clinical PET-CT relevant to body oncology imaging technology using CT and FDG PET. The chapters provide practicing imaging physicians with a concise, practical guide, presenting PET-CT as an integrated anatomic-metabolic imaging procedure applied to cancer imaging. Physics and instrumentation chapters are oriented to provide an overview of the available technology and some physical concepts. Comprehensive clinical chapters are structured to provide concise and structured background regarding the clinical management of each cancer and the role of PET-CT imaging in all phases of patient management. Each clinical chapter will help the imaging physician more completely understand the relationship and role of the integrated modality imaging with respect to the overall treatment of the cancer patient.

Physical methods for diagnosis --- PET (positron-emission tomography) --- PET/CT --- radiologie --- medische beeldvorming

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PET-CT is increasingly being employed in the diagnosis of both oncological and non-oncological patients, yet nuclear medicine physicians may have only limited practical experience of rare diseases. Furthermore, the more frequent use of PET-CT scans is accompanied by an increasing likelihood of encountering rare findings that may be difficult to recognize and interpret.   Against this background, this unique atlas documents a large number of clinical cases that will help practitioners to identify findings and diseases that, though rare, are sufficiently frequent to be encountered in routine practice. Two types of cases are presented: patients evaluated for rare diseases and patients evaluated for standard diseases in whom atypical collateral PET findings were detected. Each reported case includes a brief description of the clinical history, representative color PET-CT images obtained using FDG or other tracers, a short explanation of the disease and findings, and, when necessary, relevant references. This atlas will support practitioners in their daily practice and enable them to make conclusive reports of PET-CT scans that would otherwise have been inconclusive!

Oncology. Neoplasms --- Physical methods for diagnosis --- PET (positron-emission tomography) --- PET/CT --- oncologie --- radiologie --- medische beeldvorming

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The updated edition of the second of three volumes on Medical Physics presents modern physical methods for medical diagnostics. It provides a solid background on imaging techniques that use non-ionizing probes (ultrasound, endoscopy including CLE and OCT, MRI) and imaging techniques that use ionizing radiation (X-ray radiography, CT, SPECT, PET). Radiation sources, interactions of radiation with matter and radiation protection for x-rays, -rays, protons and neutrons are presented. Some of these topics are also relevant to the therapeutic applications presented in Volume 3. NEW: highlighted boxes emphasize specifi c topics; math boxes explain more advanced mathematical issues; each chapter concludes with a summary of the key concepts, questions, a self-assessment of the acquired competence and exercises. The appendix provides answers to questions and solutions to exercises.

Medical physics --- Computer tomography. --- Endoscopy. --- Magnetic resonance tomography. --- Positron emission tomography. --- Radiography. --- Radiology. --- Scintigraphy.

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Physical methods for diagnosis --- PET (positron-emission tomography) --- diagnostiek (geneeskunde) --- PET/CT --- radiologie --- medische beeldvorming