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[High frequency ultrasound].

E Sattler1

  • 1Klinik 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.

Der Hautarzt; Zeitschrift Fur Dermatologie, Venerologie, Und Verwandte Gebiete
|February 1, 2015
PubMed
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High-frequency diagnostic ultrasound (HF-DUS) offers high resolution for skin tumor assessment and soft tissue disease monitoring. This technique aids in preoperative measurements and therapy evaluation in dermatology and angiology.

Area of Science:

  • Dermatology
  • Medical Imaging
  • Oncology

Background:

  • Diagnostic ultrasound is a standard clinical dermatology tool.
  • Intermediate frequencies (7.5-15 MHz) are used for skin tumor staging and vessel diagnostics.
  • High frequencies (20-100 MHz) provide higher resolution but shallower penetration (~1 cm).

Purpose of the Study:

  • To provide an overview of high-frequency diagnostic ultrasound (HF-DUS) in dermatology.
  • To detail the technical principles, devices, and applications of HF-DUS.
  • To discuss the interpretation, indications, and limitations of HF-DUS.

Main Methods:

  • Review of technical principles of high-frequency ultrasound systems.
  • Description of devices and examination modes.

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  • Analysis of influencing factors and image interpretation.

    • Main Results:

    • HF-DUS enables high-resolution imaging for preoperative tumor thickness measurement (e.g., melanoma).
    • It is valuable for assessing inflammatory and soft tissue diseases, monitoring disease course, and evaluating therapy.
    • Applications span dermato-oncology, angiology, and general dermatological conditions.

    Conclusions:

    • HF-DUS is a crucial non-invasive technique in dermatology for diagnosis and management.
    • Its high resolution is particularly beneficial for superficial structures and precise measurements.
    • Understanding its principles and limitations is key for effective clinical application.