Abstract
To study spectral-domain optical coherence tomography (SD-OCT) characteristics in multifocal advanced dendritic serpiginous-like choroiditis (D-SLC) and placoid serpiginous-like choroiditis (P-SLC). Retrospective, comparative study. SD-OCT features were studied in both the groups. Area of involvement (AoI) due to SLC lesions was calculated, and cases with comparable AoI from both the groups were subclassified into Group A (subgroup D-SLC) and Group B (subgroup P-SLC). Central choroidal thickness (CT) was measured, and comparative analysis was performed. Thirty-four eyes (15 D-SLC, 19 P-SLC) of 28 patients were studied. Mean AoI for Group A (n = 10) and for Group B (n = 12) was 197,066.50 units (range: 139,602 to 267,151 units) and 203,407.33 units (range: 148,156 to 285,048 units), respectively (P = .553). Mean central CT was 217.92 µm for DSLC and 152 µm for P-SLC (P = .01). The choroid was significantly thinner at the resolution in P-SLC than in D-SLC form. P-SLC renders more choroidal destruction and may warrant aggressive treatment. [Ophthalmic Surg Lasers Imaging Retina. 2021;52:438-442.].
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