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  • Title: Spectral-domain optical coherence tomographic features of choroidal neovascular membranes in multifocal choroiditis and punctate inner choroidopathy.
    Author: Amer R, Priel E, Kramer M.
    Journal: Graefes Arch Clin Exp Ophthalmol; 2015 Jun; 253(6):949-57. PubMed ID: 25631844.
    Abstract:
    PURPOSE: To describe the spectral-domain optical coherence tomographic (SD-OCT) features of inflammatory choroidal neovascular membranes (iCNV) in multifocal choroiditis and punctate inner choroidopathy, and to compare them to those of the acute inflammatory lesions in the same underlying diseases. This is a retrospective, consecutive, observational case series. METHODS: Each patient underwent a comprehensive eye examination, fundus photography, and fluorescein angiography (FA) on the initial visit. SD-OCT features of iCNV were reviewed at presentation and 4 weeks later, and were compared to SD-OCT features of the inflammatory lesions. There were ten eyes with iCNV and eight eyes with the acute lesions of chorioretinitis. RESULTS: All iCNV had a sub-retinal pigment epithelium (sub-RPE) component and a subretinal or retinal component that infiltrated the outer retinal layers to different extents. All iCNV had associated fluid exudation, and all showed RPE and inner segment/outer segment junction layer (IS/OS) disruption. On the other hand, approximately half of the inflammatory lesions were confined between Bruch's membrane and RPE; the rest showed infiltration into the outer retinal layers in a pattern similar to iCNV, with no fluid exudation but with associated choroidal hyperreflectivity. In most of them, disruption of RPE and IS/OS was also noted. CONCLUSIONS: The acute lesions of chorioretinitis can be difficult to distinguish from iCNV based on clinical examination and FA. However, iCNV demonstrate characteristic SD-OCT features not seen with the inflammatory lesions. These findings may help to differentiate these two entities that typically require different treatments.
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