Diagnosis of Breast Cancer.- Technique of Breast Ultrasound.- Ultrasound of the Normal Breast .- Ultrasound Diagnosis of Breast Cancer.- Differential Diagnosis of Breast Diseases.- Breast Ultrasound in Children and Adolescents.- Breast Pathology in Men.- Ultrasound Examination of Regional Lymph Nodes.- Ultrasound Examination after Breast Surgery.- Recurrent Breast Cancer.- Ultrasound Imaging in Patients with Breast Implants.- Ultrasound-Guided Breast Intervention.- Conclusion.