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Case Reports
, 142 (2), 340-3

Morphologic Features of Group 2A Idiopathic Juxtafoveolar Retinal Telangiectasis in Three-Dimensional Optical Coherence Tomography

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Case Reports

Morphologic Features of Group 2A Idiopathic Juxtafoveolar Retinal Telangiectasis in Three-Dimensional Optical Coherence Tomography

Hideki Koizumi et al. Am J Ophthalmol.

Abstract

Purpose: To investigate morphologic features of group 2A idiopathic juxtafoveolar retinal telangiectasis (IJRT) with three-dimensional optical coherence tomography (OCT).

Design: Observational case series.

Methods: We performed OCT ophthalmoscopy on six eyes of three consecutive patients with group 2A IJRT.

Results: Thin cystic low-intensity space within inner and outer retinal layers was detected with the longitudinal B-scan through the fovea in five eyes. Partial loss of highly reflective line considered as the boundary between photoreceptor inner segments and outer segments was also detected. The transverse C-scan provided en-face images of the low-intensity space shown with the B-scan, if not entirely. These morphologic alterations appeared not to correspond with the staining observed in the late phases of fluorescein angiography.

Conclusions: The OCT ophthalmoscope could visualize morphologic alterations indicating degeneration or atrophy of neurosensory retina, including photoreceptor layers. These alterations may play a role in the pathogenesis of group 2A IJRT.

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