Cover -- Title Page -- Contents -- Chapter 1. Flow -- 1.1. Blood -- 1.1.1. Characteristics of bloodflow -- 1.1.2. Laminar flow and turbulent flow -- 1.2. Basic phenomena in angiography -- 1.2.1. Time of Flight (TOF) -- 1.2.2. Phenomenon of dephasing of circular spins -- 1.3. Artifacts relating to the flow -- 1.3.1. Artifact of pulsatile flow of blood or cerebrospinal fluid (CSF) -- 1.3.2. Fluid location error -- 1.3.3. Other artifacts -- 1.4. MRA sequences -- 1.4.1. Time of Flight (TOF) -- 1.4.2. Phase-contrast angiography (PCA) -- 1.4.3. The "match" between TOF and PCA imaging -- 1.4.4. Contrast-enhanced MRA (CE-MRA) -- 1.5. Study of two clinical problems -- 1.5.1. Differentiation between a thrombus and a slow flow -- 1.5.2. "Correct" evaluation of a stenosis -- Chapter 2. Diffusion -- 2.1. General points -- 2.1.1. What is diffusion? -- 2.1.2. What is the medical interest held by diffusion? -- 2.1.3. The three main types of diffusion -- 2.2. Principle behind diffusion imaging and the associated sequence -- 2.3. Study of the obtained signal -- 2.3.1. Expression of the signal -- 2.3.2. Diffusion coefficient -- 2.3.3. The b factor -- 2.4. Diffusion sequence and diffusion images -- 2.4.1. Complete sequence -- 2.4.2. Diffusion image -- 2.4.3. Apparent Diffusion Coefficient (ADC) maps -- 2.4.4. Pitfall images -- 2.5. The different clinical applications for diffusion -- 2.5.1. Study of an ischemic accident -- 2.5.2. Cerebral abscess or necrotic tumor? -- 2.5.3. Limitations of diffusion imaging -- 2.6. Artifacts frequently encountered in diffusion -- 2.6.1. Artifact specific to EPI -- 2.6.2. Artifact peculiar to the diffusion sequence -- 2.7. Diffusion-tensor imaging -- 2.7.1. Advantage -- 2.7.2. General principles of diffusion tensor imaging (DTI) -- 2.7.3. Diffusion tensor imaging -- 2.7.4. Clinical applications.

2.8. Tractography -- 2.8.1. FACT method -- 2.8.2. Two important parameters in this method -- 2.8.3. The problem of crossed fibers -- 2.8.4. Clinical applications -- Chapter 3 . Perfusion -- 3.1. General points -- 3.1.1. What is perfusion? -- 3.1.2. What is the medical advantage to perfusion? -- 3.2. Exogenous tracers -- 3.2.1. Technique -- 3.2.2. Information obtained with a perfusion sequence -- 3.2.3. Alteration of the parameters as a function of the type of disease -- 3.2.4. Optimization -- 3.3. Endogenous tracers: ASL technique -- 3.3.1. Why use endogenous tracers? -- 3.3.2. Principle and sensitivity of the endogenous tracer method -- 3.3.3. Continuous Arterial Spin Labeling (CASL) -- 3.3.4. PASL (Pulsed Arterial Spin Labeling) technique -- 3.3.5. CASL or PASL? -- 3.3.6. Conclusion: advantages and limitations of ASL -- 3.4. Medical applications -- 3.4.1. Ischemic CVA -- 3.4.2. Tumors -- 3.4.3. Other applications -- Chapter 4 . Functional MRI -- 4.1. Introduction -- 4.2. Principle -- 4.2.1. Origin of fMRI signal (BOLD effect) -- 4.2.2. Type of paradigm -- 4.2.3. Type of sequence used in fMRI -- 4.3. Introduction to statistical analysis -- 4.3.1. Why this study? -- 4.3.2. How should this analysis be done? -- 4.3.3. Simple linear regression technique -- 4.3.4. Multiple linear regression technique -- 4.4. Statistical analysis and fMRI -- 4.4.1. Modeling of the fMRI signal -- 4.4.2. Statistical test -- 4.5. Pre-processing and limitations of fMRI -- 4.5.1. Motion correction -- 4.5.2. Correction of delay in acquisition between slices -- 4.5.3. Correction of geometrical distortions -- 4.5.4. Overall view of treatment in fMRI -- 4.6. Application of fMRI -- 4.6.1. Group analysis -- 4.6.2. Disease -- Bibliography -- Index.