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A case of grouped pigmentation of the retina with sensory retinal disorders Hiroyuki Shimada 1 , Fumio Shingyouchi 1 , Akiyuki Kawamura 1 , Hiromi Minato 1 , Mizuo Matsui 1 1Dept of Ophthalmol, Nihon Univ Sch of Med pp.1791-1794
Published Date 1990/10/15
DOI https://doi.org/10.11477/mf.1410908278
  • Abstract
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We observed grouped pigmentation of the retina in the right eye of a 40-year-old male. The pigment-ed spots were well-demarcated, appeared grayish black, were surrounded by hypopigmented halo and were distributed over the temporal hemisphere of the fundus. Those near the optic disc were smaller and those near the periphery tended to be larger. Large spots were often accompanied by smaller ones, manifesting a pattern simulating bear tracks.Fluorescein angiography showed blocked fluores-cence in areas of the spots and window defects or staining in the hypopigmented halo.Automated static perimetry showed decreased sensitivity in retinal areas corresponding to the pigmented spots. Electroretinogram and electrooculogram showed suppressed responses. The findings seemed to sug-gest degeneration of photoreceptor cells overlying the spots in addition to dysfunction of the hypertro-phied retinal pigment epithelium.


Copyright © 1990, 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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