Loculated Fluid: A Previously Undescribed Fluorescein Angiographic Finding in Choroidal Neovascularization Associated With Macular Degeneration

Macular Photocoagulation Study Reading Center

Research output: Contribution to journalArticle

Abstract

The Foveal Photocoagulation Study, a component of the Macular Photocoagulation Study, is designed to evaluate whether laser treatment can reduce the risk of severe visual loss in eyes with well-defined choroidal neovascular membranes associated with macular degeneration that extend through the foveal center. On one third of the 554 baseline angiograms of study patients enrolled in and whose eyes were graded in the study as of January 31, 1990, the Reading Center staff has noted an unusual pattern of hyperfluorescence in the late-transit frames that has not been described previously. This pattern, which we call “loculated fluid,” consists of a well-demarcated area of hyperfluorescence that appears to represent pooling of fluorescein in a compartmentalized space anterior to the choroidal neovascular leakage. Although the loculated fluid may conform to a pattern of typical cystoid macular edema, it can also pool within an area deep to the sensory retina in a shape that does not bear any resemblance to cystoid macular edema. This pattern is important to recognize because it (1) should not be confused with the angiographic pattern or extent of choroidal neovascularization and (2) should be differentiated from a serous detachment or tear of the retinal pigment epithelium.

Original languageEnglish (US)
Pages (from-to)211-215
Number of pages5
JournalArchives of ophthalmology
Volume109
Issue number2
DOIs
StatePublished - Feb 1991

ASJC Scopus subject areas

  • Ophthalmology

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