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January 1992

Acquired Arterial Collateral Vessels at the Optic Disc

Author Affiliations

Boston, Mass

Arch Ophthalmol. 1992;110(1):20-21. doi:10.1001/archopht.1992.01080130022014

The prospective observation of persistent arterial collateral vessels between the ciliary and retinal circulations has never been documented angiographically.

Report of a Case.  —A 44-year-old woman presented with 6 months of decreasing vision in her right eye. Corrected visual acuities were 20/60 OD and 20/20 OS. An afferent pupil defect, dyschromatopsia, and inferotemporal field loss were present in the right eye. The right eye was 2.5 mm proptotic, with increased resistance to retropulsion. The inferior margin of the right optic disc was elevated. The macula and vessels were unremarkable. The left eye was normal.Fluorescein angiography showed a region of hyperfluorescence at the lower margin of the right disc (Fig 1, top). Computed tomographic scans demonstrated a mass that was 2 cm in diameter within the posterior right orbit, causing upward and lateral displacement of the optic nerve. There was tumor enhancement with contrast injection. The lesion was thought to

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