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Clinical Sciences
October 2006

Optical Coherence Tomography in Group 2A Idiopathic Juxtafoveolar Retinal Telangiectasis

Author Affiliations

Author Affiliations: AP-HP, Hopital Lariboisière, Service d’Ophtalmologie, Université Paris 7 (Drs Gaudric, Ducos de Lahitte, Massin, and Haouchine), and Centre Ophtalmologique d’Imagerie et de Laser (Dr Cohen), Paris, France.

Arch Ophthalmol. 2006;124(10):1410-1419. doi:10.1001/archopht.124.10.1410

Objective  To describe the changes observed with optical coherence tomography in group 2A idiopathic juxtafoveolar retinal telangiectasis.

Methods  We retrospectively reviewed the medical records of 13 patients (25 eyes). All eyes underwent optical coherence tomography examination consisting of 6 radial scans, fundus color photography, and fluorescein angiography. We calculated retinal foveal and central foveal thicknesses from software mapping results. We compared the optical coherence tomography data with fundus photography and fluorescein angiography findings.

Results  Foveal cystoid spaces, very small or more prominent, were present in 20 of 25 eyes. Some degree of disruption of the inner segment/outer segment photoreceptor junction line was observed in 18 eyes as from stage 2 of idiopathic juxtafoveolar retinal telangiectasis, and intraretinal pigmentary proliferation was observed in 9. A foveal detachment without subretinal new vessels was also present in 2 eyes. Despite these abnormalities, central foveal thickness was below or within the range of reference values in all eyes; foveal thickness, in 23 of 25. In the more advanced cases, severe disruption of the inner segment/outer segment photoreceptor junction line and outer retinal atrophy were seen.

Conclusions  Early in the evolution of group 2A idiopathic juxtafoveolar retinal telangiectasis, the optical coherence tomography examination disclosed intraretinal cystoid spaces without foveal thickening and disruption of the inner segment/outer segment photoreceptor junction line. Foveal thinning was present in later stages.