Radiology is the oldest and by far the largest field of application of X-rays. In recent years, this domain has been literally revolutionized by the exploitation of the unique characteristics of synchrotron sources. The results are particularly spectacular when the high spatial coherence of the radiation is used for novel and powerful approaches to radiology. The results are very high quality microradiology and microtomograhy images and movies -taken with a limited X-ray dose- that find a variety of applications in materials science, biology and medical research.