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Indocyanine green angiographic features in posterior scleritis

American Journal of Ophthalmology
Publication Date
DOI: 10.1016/s0002-9394(98)00119-6
  • Medicine


Abstract PURPOSE: To determine choroidal involvement in posterior scleritis by examining indocyanine green angiographic features. METHODS: Indocyanine green angiography was performed according to a standard uveitis angiographic protocol in eight consecutive patients with posterior scleritis. Indocyanine green angiography data were compared to fundus color photographs, red-free photographs, and fluorescein angiography. RESULTS: The principal indocyanine green angiographic feature was diffuse zonal choroidal indocyanine green hyperfluorescence in the intermediate (±10 minutes) and late (±40 minutes) phases of angiography present in all eight patients who regressed in response to anti-inflammatory therapy. In four patients (two with massive subretinal exudation), additional fluorescing pinpoints were present in the zonal hyperfluorescent areas. Additional features included irregular delayed choroidal perfusion (five of eight patients)—irregularly distributed dark dots that were present up to the intermediate phase and becoming isofluorescent in the late phase that gave a mottled aspect to the choroid—and enlargement of draining choroidal veins. In bilateral patients, clinical features and indocyanine green angiography signs were roughly symmetric. CONCLUSIONS: In posterior scleritis, indocyanine green angiography allowed us to identify areas of choroidal hyperfluorescence, possibly indicating areas of maximal inflammatory activity, and demonstrated regression of hyperfluorescence in response to therapy. Indocyanine green angiography was useful in assessing the extent of choroidal involvement and will probably serve as one of the follow-up parameters for disease evolution and response to therapy.

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