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Fokaleepiretinale Fibroplasien über Photokoagulaten bei Retinopathia diabetica

Focal epiretinal fibroplasias overlying photocoagulations in diabetic retinopathy

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Abstract

This clinico-pathological study compares photocoagulated diabetic retinae with cases of spontaneous epiretinal fibroplasia. Focal epiretinal fibroplasias were found overlying 5–10% of the Xenon-arc photocoagulations but not over Ruby-laser coagulations. These foci are contiguous-forming membranes but they do not cause surface wrinkling. The topography and appearance of the fibrous components of these membranes in trypsin-digest specimens are described and compared with foci of spontaneous epiretinal surface wrinkling. Destruction of the inner retinal surface by heavy coagulation is believed to be the principal cause of focal post-photocoagulation fibroplasia. Other possible pathogenetic factors are discussed.

Zusammenfassung

Die Studie untersucht in klinisch-pathologisch anatomischer Korrelation photokoagulierte diabetische Netzhäute und Retinae mit spontaner epiretinaler Fibroplasie. An 5–10% der Xenon-Photokoagulate, nicht aber an Rubinlaser-Koagulaten wurden fokale epiretinale Fibroplasien gefunden. Diese verbinden sich oft untereinander zu Membranen, verursachen aber keine Netzhautfältelung. Topographie und Flächenaspekte der Faserstrukturen solcher Herde im Trypsinpräparat werden beschrieben und mit spontanen epiretinalen Fibroplasien verglichen. Zu starke Koagulation mit Zerstörung der inneren Netzhautschichten wird als Ursache für diese fokale postkoagulatorischen Fibroplasien angenommen. Andere mögliche pathogenetische Faktoren werden diskutiert.

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Authors and Affiliations

  1. Universitäts-Augenklinik Basel, Mittlere Strasse 91, CH-4056, Basel, Schweiz

    B. C. Daicker

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  1. B. C. Daicker
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Für die Mithilfe bei dieser Arbeit geht der Dank an Frau Wagner, Kunz und Frau Wieser.

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Daicker, B.C. Fokaleepiretinale Fibroplasien über Photokoagulaten bei Retinopathia diabetica. Albrecht von Graefes Arch. Klin. Ophthalmol. 214, 71–82 (1980). https://doi.org/10.1007/BF00572785

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