December 2002
Volume 43, Issue 13
Free
ARVO Annual Meeting Abstract  |   December 2002
Retinal Angiomatous Proliferation (RAP) and Retinal-Choroidal Anastomosis (RCA)
R Brancato; U Introini; M Setaccioli; M Forti
Author Affiliations & Notes
  • R Brancato
    Ophthalmology and Visual Sciences Univ Hospital San Raffaele Milano Italy
  • U Introini
    Ophthalmology and Visual Sciences Univ Hospital San Raffaele Milano Italy
  • M Setaccioli
    Ophthalmology and Visual Sciences Univ Hospital San Raffaele Milano Italy
  • M Forti
    Ophthalmology and Visual Sciences Univ Hospital San Raffaele Milano Italy
  • Footnotes
    Commercial Relationships   R. Brancato, None; U. Introini, None; M. Setaccioli, None; M. Forti, None.
Investigative Ophthalmology & Visual Science December 2002, Vol.43, 1224. doi:
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      R Brancato, U Introini, M Setaccioli, M Forti; Retinal Angiomatous Proliferation (RAP) and Retinal-Choroidal Anastomosis (RCA) . Invest. Ophthalmol. Vis. Sci. 2002;43(13):1224.

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Abstract

Abstract: : Purpose:To assess the connection between intraretinal angiomatous proliferation (RAP) and choroidal circulation in RCA. Methods:124 eyes of 100 patients (mean age: 79 ± 5; 24% M; 76% F)affected by RCA underwent fluorescein and indocyanine green angiography (FA, ICGA); 97 eyes (78.2%) have been studied by dynamic indocyanine green angiography (Scanning Laser Ophthalmoscope – SLO). Furthermore, 64 eyes (51.6%) have been examined by Optical Coherence Tomography (OCT). Results:In 24% of the cases studied, RAP was bilateral. Drusen were present in 78% of the cases, Serous Neuroepithelial Detachment (SND) were observed in 91% of the cases, while Pigment Epithelium Detachment (PED) represented 47% of the cases. Only in few cases FAG and ICGA revealed angiographic retinal images that might be referred to the presence of an anastomosis between RAP and choroidal circulation Conclusion:Results suggest that intraretinal angiomatous proliferation is not usually connected with choroidal circulation, also at advanced stage. This confirms the existence of two clinical types of exhudative age-related macular degeneration (ARMD). In the first one the vascular complex has an intraretinal origin, while in the second one it has a choroidal origin.

Keywords: 460 macula/fovea • 346 choroid: neovascularization • 566 retinal neovascularization 
© 2002, The Association for Research in Vision and Ophthalmology, Inc., all rights reserved. Permission to republish any abstract or part of an abstract in any form must be obtained in writing from the ARVO Office prior to publication.
Copyright © 2015 Association for Research in Vision and Ophthalmology.
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