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Medical Imaging Based on Magnetic Fields and Ultrasounds.
This book describes the different principles and equipment used in medical imaging. The importance of medical imaging for diagnostics is rapidly increasing. A good working knowledge of all the different possible physical principles involved in medical imaging is now imperative. This book covers many...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Hoboken :
Wiley,
2014.
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| Colección: | ISTE.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Title Page; Contents; Foreword; Chapter 1. Ultrasound Medical Imaging; 1.1. Introduction; 1.2. Physical principles of echography; 1.2.1. Ultrasound waves; 1.2.2. Wavefronts; 1.2.3. Stress/Strain relation; 1.2.4. Propagation equation; 1.2.5. Acoustic impedance; 1.2.6. Acoustic intensity; 1.2.7. Mechanical Index; 1.2.8. Generation, emission; 1.2.9. Resolution; 1.2.10. Propagation of a plane wave in a finite isotropic medium; 1.2.11. Propagation of a plane wave in a non-homogeneous medium; 1.2.12. Speckle; 1.2.13. Nonlinear waves; 1.2.14. Contrast agents; 1.3. Medical ultrasound systems.
- 1.3.1. Principle1.3.2. The different stages in image formation; 1.3.3. Ultrasound imaging probe; 1.3.4. Modes of imaging, B-mode and M-mode, and harmonic imaging modes; 1.3.5. Doppler imaging; 1.4. The US image; 1.4.1. Properties of speckle, echostructure and statistical laws; 1.4.2. Segmentation of US images; 1.4.3. Simulation of US images; 1.5. Recent advances in ultrasound imaging; 1.5.1. Generation/emission of ultrasounds; 1.5.2. Signal-and image processing; 1.5.3. Multimodal imaging; 1.6. A bright future for ultrasound imaging; 1.7. Bibliography; Chapter 2. Magnetic Resonance Imaging.
- 2.1. Introduction2.2. Fundamental elements for MRI; 2.2.1. Introduction; 2.2.2. Vectorial description of nuclear magnetic resonance (NMR); 2.2.3. RF pulses and their effect on magnetizations; 2.2.4. Elementary pulse sequences using the refocusing technique; 2.2.5. Spatial discrimination of signals using gradients: fundamental principle of MRI; 2.2.6. Multi-parameter aspect of MRI; 2.3. Instrumentation; 2.3.1. Introduction; 2.3.2. Recording the signal; 2.3.3. Magnetic systems; 2.3.4. A typical MRI installation in a clinical environment; 2.3.5. Operation and safety; 2.4. Image properties.
- 2.4.1. Introduction2.4.2. Field of view; 2.4.3. Spatial resolution; 2.4.4. Contrast and signal; 2.4.5. Contrast elements in MRI practice; 2.5. Imaging sequences and modes of reconstruction; 2.5.1. Introduction; 2.5.2. Overall view of acquisition sequences; 2.5.3. Modes of reconstruction; 2.6. Application of MRI: uses and evolution in the biomedical field; 2.6.1. Introduction; 2.6.2. Spectroscopy and imaging: technical and clinical complementarity; 2.6.3. Diffusion MRI: a morphological and functional approach; 2.6.4 Functional MRI (fMRI) of cerebral activation.
- 2.6.5. Bi-modal approach to MRI: the example of MR/PET2.7. Bibliography; List of Authors; Index.