title: [High frequency ultrasound].
abstract: Diagnostic ultrasound has become a standard procedure in clinical dermatology. Devices with intermediate high frequencies of 7.5-15 MHz are used in dermato-oncology for the staging and postoperative care of skin tumor patients and in angiology for improved vessel diagnostics. In contrast, the high frequency ultrasound systems with 20-100 MHz probes offer a much higher resolution, yet with a lower penetration depth of about 1 cm. The main indications are the preoperative measurements of tumor thickness in malignant melanoma and other skin tumors and the assessment of inflammatory and soft tissue diseases, offering information on the course of these dermatoses and allowing therapy monitoring. This article gives an overview on technical principles, devices, mode of examination, influencing factors, interpretation of the images, indications but also limitations of this technique.
authors: Klinik und Poliklinik für Dermatologie und Allergologie, Klinikum der Universität München, Ludwig-Maximilians-Universität, Frauenlobstr. 9-11, 80337, München, Deutschland, elke.sattler@med.uni-muenchen.de.
authors: E
authors: E
authors: Sattler
mesh_terms: D006801:Humans; D007089:Image Enhancement / Q000379:methods*; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D012867:Skin / Q000000981:diagnostic imaging*; D012871:Skin Diseases / Q000000981:diagnostic imaging; D014463:Ultrasonography / Q000379:methods*
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