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The role of posterior hyaloid membrane in premacular membrane formation Takahiko Tamura 1 , Shoji Kishi 1 1Dept of Ophthalmol Gunma Univ Sch of Med pp.1115-1119
Published Date 1991/7/15
DOI https://doi.org/10.11477/mf.1410908365
  • Abstract
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We performed histopathological examinations ofpremacular membrane with retinal folds in 7 eyestreated by vitrectomy. The series comprisedidiopathic premacular membrane 2 eyes and secon-dary membrane formation following intraocularsurgery 5 eyes. Sheet-like collagen layer was thepredominant feature in 5 eyes. The collagen fiberswere 16 nm in diameter with periodicity of 22 nm.These features were compatible with those of vitre-ous collagen. Scattered cellular proliferation wasseen overlying the collagen sheet.

In the other 2 eyes, a cluster of proliferated cellswith scanty extrcellular material were the chiefhistological feature. Sheet-like collagen wasabsent.

We conclude that vitreous cortex is the commoncomponent of premacular membrane in variousvitreoretinal interface disorders.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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