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In-vivo-Bildgebung des kornealen Nervenplexus

Vom Einzelbild zur großflächigen Darstellung

In vivo imaging of the corneal nerve plexus

From single image to large scale map

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Zusammenfassung

Der subbasale Nervenplexus (SNP) der Kornea bietet die Möglichkeit, periphere Nervenstrukturen nichtinvasiv in vivo mithilfe der Konfokalmikroskopie (CCM) zu untersuchen. Morphologische Veränderungen des SNP können so unmittelbar detektiert und quantitativ charakterisiert werden. Aufgrund der inhomogenen Verteilung der Nervenfasern reicht eine einzelne CCM-Aufnahme für eine valide Diagnose nicht aus. Gesucht werden daher Verfahren zur großflächigen Erfassung des SNP. Dieser Beitrag gibt einen Überblick über publizierte Ansätze zur Lösung dieses Problems. Aktuelle Entwicklungsarbeiten am Karlsruher Institut für Technologie und der Universitätsaugenklinik in Rostock lassen zukünftig eine vereinfachte Handhabung der Technologie und eine weitere Verbesserung der Bildqualität erwarten.

Abstract

The sub-basal nerve plexus (SNP) of the cornea provides the possibility of in vivo and non-invasive examination of peripheral nerve structures by corneal confocal microscopy (CCM). Thus morphological alterations of the SNP can be directly detected and quantified. A single CCM image is insufficient for a well-founded diagnosis because of the inhomogeneous distribution of the nerve fibers; therefore, there is a demand for techniques for large area imaging of the SNP. This article provides an overview of published approaches to the problem. Current developmental work at the Karlsruhe Institute of Technology and the University of Rostock Eye Clinic is expected to lead to a simplified handling of the technology and a further improvement in the image quality.

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Förderung

Die vorgestellten Arbeiten sind in Teilen gefördert von der Heidelberg Engineering GmbH, der Helmholtz Gemeinschaft und der Deutschen Forschungsgemeinschaft (Förderkennzeichen: KO 5003/1-1, MI 1315/5-1 und STA 543/6-1).

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Correspondence to B. Köhler.

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B. Köhler, S. Allgeier, A. Bartschat, R.F. Guthoff, S. Bohn, K.-M. Reichert, O. Stachs, K. Winter und R. Mikut geben an, dass kein Interessenkonflikt besteht.

Dieser Beitrag beinhaltet keine von den Autoren durchgeführten Studien an Menschen oder Tieren.

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Köhler, B., Allgeier, S., Bartschat, A. et al. In-vivo-Bildgebung des kornealen Nervenplexus. Ophthalmologe 114, 601–607 (2017). https://doi.org/10.1007/s00347-017-0464-4

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