Solitary idiopathic choroiditis: Findings on enhanced depth imaging optical coherence tomography in 10 cases

Adrian T. Fung, Swathi Kaliki, Carol L. Shields*, Arman Mashayekhi, Jerry A. Shields

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Objective: To describe the imaging characteristics of solitary idiopathic choroiditis (SIC). Design: Retrospective, observational case series. Participants: Ten eyes in 10 patients with SIC. Methods: Review of chart, fundus photography, ultrasonography, fundus autofluorescence (FAF), infrared reflectance (IR) imaging, and enhanced depth imaging optical coherence tomography (EDI OCT). Main Outcome Measures: Scleral, choroidal, and retinal features of SIC as analyzed by EDI OCT. Results: The mean age at diagnosis was 47 years (range, 7-76 years). There were 4 male patients and 6 female patients. The mean best-corrected visual acuity was 20/25 (range, 20/20-20/150). The SIC lesions were postequatorial (n = 10), with a mean basal diameter of 2.6 mm (range, 1.0-4.0 mm), yellow hue (n = 10), and surrounding orange halo (n = 6). Ultrasonography revealed acoustic solidity (n = 10) with a mean thickness of 1.7 mm (range, 1.4-2.1 mm), FAF disclosed hyperautofluorescence (n = 9), and IR imaging displayed hyperreflectivity (n = 9). On EDI OCT, all 10 lesions were dome shaped with a smooth surface and arose with a gentle slope from the sclera. A more abruptly elevated volcanic configuration was seen in 2 lesions. The overlying choroid was thinned (mean thickness, 32 μm; range, 0-52 μm). The lesions were moderately reflective with an optically bright anterior band and deep shadowing (n = 8). The posterior margin of the lesion could be ascertained in only 1 case. By EDI OCT, the mean diameter was 2942 μm (range, 1887-3809 μm). In no case was there disturbance of the inner retina or subretinal fluid. Conclusions: Solitary idiopathic choroiditis generally displays ultrasonographic solidity, hyperautofluorescence, and hyperreflectivity on IR imaging. On EDI OCT, the dome-shaped lesion arises from the sclera, outer choroid, or both and the overlying choroidal vasculature is thinned. Financial Disclosure(s): The author(s) have no proprietary or commercial interest in any materials discussed in this article.

Original languageEnglish
Pages (from-to)852-858
Number of pages7
JournalOphthalmology
Volume120
Issue number4
DOIs
Publication statusPublished - Apr 2013
Externally publishedYes

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