[Sonographic diagnostics in the head and neck area, part 2 - transcervical sonography]

Transcervical sonography has become an integral part of the diagnostic spectrum of otorhinolaryngology, as evidenced by its firm inclusion in continuing education catalogs and guidelines. For these reasons, the user should be aware of a basic understanding of ultrasound physics and of technical innovations. A standardized examination scheme with structured reporting and documentation is an elementary prerequisite to meet the daily clinical challenges and to be able to answer specific questions. In this educational article, we span from an introduction to structured examination techniques to a clinical update on sonography of the cephalic glands and cervical lymph nodes.