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Process of ring-shaped proliferation in diabetic retinopathy Yasuhiro Maruyama 1 , Shoji Kishi 1 , Kanemitsu Muraoka 1 , Tadashi Okano 2 1Dept of Ophthalmol, Gunma Univ Sch of Med 2Dept of Ophthalmol, Kasumigaura Hosp, Tokyo Med Coll pp.1253-1257
Published Date 1994/6/15
DOI https://doi.org/10.11477/mf.1410903919
  • Abstract
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We evaluated the process of development of ring-shaped vitreous lesion in 24 eyes with prolifer-ative diabetic retinopathy. None of the 24 eyes showed posterior vitreous detachment (PVD) nor fibrovas-cular proliferation initially. PVD developed outer to the temporal vascular arcades after a mean of 4.6 months following start of photocoagulation. The posterior fundus showed no PVD in 19 eyes, shallow trampoline-like PVD in 5 and tractional retinal detachment without PVD in 6. The ring-shaped proliferation thus followed fibrovascular proliferation along the external border of partial, cone-shaped PVD. In some eyes, opacification of ring-shaped contour of premacular liquefied pocket due to vitreous hemorrhage or condensation of vitreous gel also contributed to premacular ring-shaped lesion.


Copyright © 1994, 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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