The imaging diagnostics of diseases in the jaw angle-neck region initially consisted solely of radiological examination methods. In recent years, sonography has proven to be another valuable morphological examination method, which is increasingly being integrated into routine diagnostics for patients with swellings in the jaw angle-neck area. This method is easy to apply, does not burden the patient, is cost-effective, and provides extraordinarily valuable, reproducible information. The author hopes that this monograph will recommend sonography as a valuable diagnostic tool to many doctors whose diagnostic and treatment area includes the jaw angle-neck region, as an extension of their clinical examination.