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  • Title: Subretinal Fluid Optical Density and Spectral-Domain Optical Coherence Tomography Characteristics for the Diagnosis of Circumscribed Choroidal Hemangioma.
    Author: Zur D, Frenkel S, Leshno A, Iglicki M, Ben-Artzi Cohen N, Khoury A, Martínez Cartier M, Barak A, Moroz I, Loewenstein A, Neudorfer M, Vishnevskia-Dai V.
    Journal: Ophthalmologica; 2019; 241(4):195-201. PubMed ID: 30396183.
    Abstract:
    PURPOSE: To investigate spectral domain-optical coherence tomography (SD-OCT) features of untreated circumscribed choroidal hemangioma (CCH), and the optical density (OD) of the associated subretinal fluid (SRF). PROCEDURES: This international retrospective multicenter study conducted at 5 tertiary retina referral centers included 34 patients with symptomatic CCH imaged on SD-OCT. CCH surface, size, and overlying retinal changes and OD ratio (ODR) were evaluated. RESULTS: The mean ODR of the SRF was 0.808 ± 0.287. Tumor base measured on ultrasound correlated significantly with the ODR (p = 0.012). ODR values in cases of CCH were similar to those of choroidal metastasis, but significantly lower than those of choroidal melanoma (p = 0.006). Thirty-two out of 34 cases (94%) presented with a regular smooth choroidal surface. OCT demonstrated SRF overlying the CCH in 29 eyes (85%). The presence of SRF correlated significantly with a larger basal tumor diameter (p = 0.035). OCT displayed sub- and intraretinal hyperreflective foci, correlating with both larger maximal retinal thickness overlying the tumor (p = 0.031) and the amount of SRF (p = 0.016) in 29 eyes (85%). CONCLUSION: CCH displays typical findings on SD-OCT. ODR is a new important tool in the differential diagnosis of choroidal tumors and should be considered for enhancing the accuracy of diagnosing CCH. This benefit is especially relevant for cases in which the presentation of CCH is atypical.
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