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Indocyanine green angiography in detachment of retinal pigment epithelium Mitsuko Yuzawa 1 1Dept of Ophthalmol, Surugadai Hosp, Nihon Univ Sch of Med pp.73-81
Published Date 1995/1/15
DOI https://doi.org/10.11477/mf.1410904141
  • Abstract
  • Look Inside

Indocyanine green (ICG) videoangiography was performed in 77 eyes with 100 retinal pigment epithelial detachments (PEDs). The series comprised 36 PEDs with choroidal neovascular membrane (CNV) and 64 PEDs without.

The 36 PEDs with CNV showed either irregular hypofluorescence or absence of fluorescene in areas corresponding to the entire PED.

The 64 PEDs without CNV could be divided into 5 groups. PEDs with intense hyperfluorescence were characterized by multiple occurrence in the affected eye and also by bilateral occurrence in all the patientsexcept one. Less intense hyperfluorescence was more common in younger subjects.

During follow-up eyes with PEDs that showed irregular hypofluorescence, CNV developed in 1 eye, microrips in 4 and retinochoroidal folds in 1. A mojority of PEDs showing irregular hyperfluorescence pattern turned later into atrophy of the retinal pigment epithelium.

The intense pattern is thought to be due to accumulation of protein-rich fluid within the PED. Most PEDs showing weak fluorescence would fall into the same entity as central serous choroidopathy. PEDs showing irregular hypofluorescence or hyperfluorescence are associated with age-related macular degeneration, especially, the former is closely related with CNV. Irregular hypofluorescence is thought to be due to the concentration or distribution of lipid within Bruch's membrane and/or the subpigment epithelial space. PEDs showing irregular hyperfluorescence are in the absorbing process. Hyperfluorescent areas correspond to areas of degeneration of the overlying retinal pigment epithelium.


Copyright © 1995, 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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