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Original Article

The Inner Laryngeal Lymphatics: A Lymphangioscopical and Electron Microscopical Study

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Pages 265-270 | Published online: 08 Jul 2009
 

Abstract

Lymphangioscopical and ultrastructural studies of the larynx reveal a lymphatic capillary and a collecting vessel system. Collecting vessels show luminal valves and elastic structural components within the wall. Lymphan-gioscopy reveals that a strict compartmentation of different laryngeal areas is unjustifiable with the exception made for the capillaries of the free margin of the true vocal cords. Multiple anastomoses of capillaries and collecting vessels enhance midline- and vertical plane-crossing lymphatic drainage. These collaterals are gaining importance in case of impediment of the physiologic drainage pathway.

Zusammenfassung

Lymphangiographische und elektronenmikroskopische Untersuchungen lassen am Kehlkopf eine Gliederung des Lymphgefäβsystems in Lymphkapillaren und Lymph-sammelgefäβe erkennen. Die letzteren unterscheiden sich von den Lymphkapillaren durch das Vorhandensein von Klappen sowie durch eine elastische Gefäβwand. Die Lymphangiographie zeigt, daβ eine strenge Kompartmentisierung einzelner Kehlkopfregionen nicht besteht. Aus-nahme bilden die Lymphkapillaren des freien Randes der Stimmlippen. Anastomosen der Lymphkapillaren und sammelgefäβe erlauben mittellinien- und kehlkopfetagen-überschreitende Drainage. Diesen Kollateralabflüssen kommt bei Behinderung der physiologischen Lymph-drainage eine besondere Bedeutung zu.

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