Quantitative MRI of the Kidney: Rationale and Challenges -- Biophysical and Physiological Principles of T1 and T2 -- T1 and T2 Mapping of the Kidney -- T2* mapping - Blood Oxygenation Level Detection (BOLD) MRI of the Kidneys -- T1ρ Mapping and its Applications for Assessment of Renal Allograft Fibrosis -- Metabolic Imaging: Measuring Fat in the Kidney -- MR Angiography and Phase-contrast MRI: Measuring Blood Flow in the Kidney -- Contrast Agent Safety with Focus on Kidney MRI -- Functional Imaging: MR Urography -- Arterial Spin Labeling: Non-contrast Perfusion MRI of the Kidney -- MR Fingerprinting of the Kidney -- Quantitative Susceptibility Mapping of Kidney -- Measuring Microstructural Features of the Kidney using Diffusion MRI -- Diffusion Tensor MRI and Fiber Tractography of the Kidney -- MR Elastography for Evaluation of Kidney Fibrosis -- Magnetic Transfer Imaging -- Simultaneous quantification methods -- CEST and Na-23 MRI for Assessing Renal Function -- Elastin-based Molecular MRI of Kidney Fibrosis -- Putting it all together: Multi-parametric MRI of the Kidney -- 7T MRI of the Kidney: Challenges and Promises.