Today, breast MRI is an essential part of the breast examination, and an excellent tool for detecting breast lesions thanks to its high sensitivity.This educational and didactic book covers the indications for which breast MRI is intended to add diagnostic value, the various acquisition protocols and the different morphological and kinetic semiological signs of breast lesions, richly illustrated with numerous demonstrative diagrams for each semiological sign. The book also covers the principles of BI-RADS classification, with the help of decision-making algorithms. This book aims to clarify and accelerate the clinical application of breast MRI.