Dynamic Computed Tomography
Basic Principles and Clinical Applications
(Sprache: Englisch)
The authors present their experience in more than seven years of dynamic computed tomography in clinical practice. Time density curves and characteristic examples in specific regions of interest enrich the presentation. Dynamic computed tomography makes an...
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The authors present their experience in more than seven years of dynamic computed tomography in clinical practice. Time density curves and characteristic examples in specific regions of interest enrich the presentation. Dynamic computed tomography makes an important contribu tion to the diagnosis and evaluation of a pathologic process: the demonstration of the dynamics of blood flow within the lesion and surrounding normal tissue. Since both the lesion itself and adjacent normal tissue demonstrate characteristic findings in each circulatory phase, the study provides a large amount of data on the flow of blood and contrast material which facilitate both recognition and diiferentation of a lesion. Late studies following administration of a contrast agent allow an estimate of the passage of the contrast medium to the inter stitium, which is of diagnostic importance. Chapters dealing with specific clinical entities also contain useful information on the most appropriate means of contrast agent administration (bolus injection or infusion) as well as a discussion of indications for the procedure. Dynamic computed tomography represents a significant advance over conventional computed tomography in some situations, and this signifies a major contri bution to the diagnostic capabilities of the clinical radiologist. The authors are to be commended for the fact that they have clearly defined the limits of dynamic computed tomography. I hope that the first English language edition, following the appea rance of the German version in 1983, will be well received.
The authors present their experience in more than seven years of dynamic computed tomography in clinical practice. Time density curves and characteristic examples in specific regions of interest enrich the presentation. Dynamic computed tomography makes an important contribu tion to the diagnosis and evaluation of a pathologic process: the demonstration of the dynamics of blood flow within the lesion and surrounding normal tissue. Since both the lesion itself and adjacent normal tissue demonstrate characteristic findings in each circulatory phase, the study provides a large amount of data on the flow of blood and contrast material which facilitate both recognition and diiferentation of a lesion. Late studies following administration of a contrast agent allow an estimate of the passage of the contrast medium to the inter stitium, which is of diagnostic importance.
Chapters dealing with specific clinical entities also contain useful information on the most appropriate means of contrast agent administration (bolus injection or infusion) as well as a discussion of indications for the procedure. Dynamic computed tomography represents a significant advance over conventional computed tomography in some situations, and this signifies a major contri bution to the diagnostic capabilities of the clinical radiologist. The authors are to be commended for the fact that they have clearly defined the limits of dynamic computed tomography. I hope that the first English language edition, following the appea rance of the German version in 1983, will be well received.
Chapters dealing with specific clinical entities also contain useful information on the most appropriate means of contrast agent administration (bolus injection or infusion) as well as a discussion of indications for the procedure. Dynamic computed tomography represents a significant advance over conventional computed tomography in some situations, and this signifies a major contri bution to the diagnostic capabilities of the clinical radiologist. The authors are to be commended for the fact that they have clearly defined the limits of dynamic computed tomography. I hope that the first English language edition, following the appea rance of the German version in 1983, will be well received.
Inhaltsverzeichnis zu „Dynamic Computed Tomography “
1 Introduction.- 2 Basic Physical Principles and Technical Considerations.- 2.1 Attenuation Coefficients.- 2.2 Mathematical Picture Reconstruction.- 2.3 Attenuation Values and Visual Displays.- 2.4 Criteria of Picture Quality.- 2.5 Spatial Resolution and Discrimination at High Contrast Levels.- 2.6 Spatial Resolution at Low Contrast Levels.- 2.7 Contrast Detail Diagrams.- 2.8 Artifacts.- 2.9 Beam Hardening.- 2.10 Partial Volume Effect.- 2.11 Radiation Dose.- 3 Dynamic Computed Tomography.- 3.1 Technical Considerations.- 3.2 Scan Splitting.- 3.3 Time-Density Measurements.- 3.4 ECG-Triggered Cardiac CT Studies.- 3.5 Serial Digital Radiography.- 3.6 Radiation Dose.- 3.7 Future Developments.- 3.8 Examination Techniques and Evaluation.- 4 Contrast Media.- 4.1 Types of Contrast Media.- 4.2 Chemical Structure of Water-Soluble Contrast Media.- 4.3 Physical and Chemical Characteristics of Contrast Media.- 4.4 Physiologic Aspects of Contrast Media Distribution.- 4.5 Pharmacokinetics.- 4.6 Application of Contrast Media..- 4.7 Side effects.- 5 Bolus Geometry and Dynamics: Contrast Studies with Intravenous Contrast Media.- 5.1 Dosage.- 5.2 Types of Contrast Media.- 6 Clinical Applications of Dynamic Computed Tomography.- 6.1 Vascular Studies.- 6.2 Heart.- 6.3 Lungs and Mediastinum.- 6.4 Experimental Hepatic Neoplasms.- 6.5 Liver..- 6.6 Pancreas.- 6.7 Spleen.- 6.8 Retroperitoneal Space.- 6.9 Gastrointestinal Tract.- 6.10 Intra-abdominal Abscess.- 6.11 Pelvic Lesions.- 6.12 Soft Tissue Lesions.- 6.13 Cranial Computed Tomography.- 6.14 Orbits.- 6.15 Face and Neck.- 7 Summary.- References.
Autoren-Porträt von Claus Claussen, Bernd Lochner
Dipl.-Pädagoge Claus Claussen war als Grundschullehrer, Lehrerausbilder und Fortbildner in Hessen tätig. Heute ist er Geschichten- und Märchenerzähler.
Bibliographische Angaben
- Autoren: Claus Claussen , Bernd Lochner
- 2012, Softcover reprint of the original 1st ed. 1985, XI, 151 Seiten, 72 Abbildungen, Maße: 24,4 cm, Kartoniert (TB), Englisch
- Übersetzer: Frank C. Dougherty
- Verlag: Springer, Berlin
- ISBN-10: 3642697356
- ISBN-13: 9783642697357
Sprache:
Englisch
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