Zusammenfassung
Zur chirurgischen Intervention im Gesichtsbereich gehören profunde Kenntnisse der Anatomie. Das Gesicht kann nach dem SCALP-Prinzip in 5 Schichten aufgeteilt werden. Eine Besonderheit des Gesichts ist die Existenz des superfiziellen muskuloaponeurotisches Systems (SMAS), das die Dermis mit den darunter liegenden mimischen Muskeln verbindet und die Grundlage für die exakte Übertragung von Gesichtsausdrücken bildet. Es besteht aus einem Netzwerk an Kollagenfasern, elastischen Fasern, Myo- und Adipozyten. Das muskuloaponeurotische System trennt die oberflächlichen von den tiefen Fettkompartimenten, die das Gleiten der Gesichtsmuskeln ermöglichen. Nebeneinander lokalisierte Fettkompartimente werden durch sog. „retaining ligaments“ separiert. Die Lokalisation und das Volumen dieser Kompartimente ändern sich im Alter. Der Gesichtsschädel ist als knöchernes Grundgerüst für die Gesichtsweichteile ebenfalls den Alterungsprozessen durch Knochenresorption unterworfen. Die 7 „danger zones“ – potenzielle Gefahrenzonen – beschreiben potenzielle Nervenschädigungsareale, die bei chirurgischen Eingriffen berücksichtigt werden müssen.
Abstract
For surgical interventions in the facial area profound knowledge of anatomy is essential. The facial soft tissue can be divided according to the SCALP principle into five basic layers. A unique feature is the superficial musculoaponeurotic system (SMAS), which connects the dermis to the underlying facial muscles and is seen as a basic prerequisite for the precise transmission of facial expressions. It contains a network of collagen fibers, elastic fibers, myocytes and adipocytes. The SMAS separates the superficial from the deep fat compartments which allows gliding of the facial muscles. Boundaries between adjacent fat compartments are separated by so-called retaining ligaments. The localization and volume of these compartments alters with aging. The facial skeleton as the bony scaffold of the facial soft tissues provides projection to the overlaying tissues and is also affected by significant resorption during aging. The seven danger zones describe areas of potential nerve damage that need to be considered in surgical interventions.
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N. Pallua und V.-C. Buchinger-Kähler geben an, dass kein Interessenkonflikt besteht.
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Pallua, N., Buchinger-Kähler, VC. Anatomie im Kopf-Hals-Bereich. J Ästhet Chir 8, 157–163 (2015). https://doi.org/10.1007/s12631-015-0021-4
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DOI: https://doi.org/10.1007/s12631-015-0021-4