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  • Title: Spectral domain optical coherence tomography classification of acute posterior multifocal placoid pigment epitheliopathy.
    Author: Goldenberg D, Habot-Wilner Z, Loewenstein A, Goldstein M.
    Journal: Retina; 2012 Jul; 32(7):1403-10. PubMed ID: 22466468.
    Abstract:
    PURPOSE: To study the retinal morphologic changes occurring in acute posterior multifocal placoid pigment epitheliopathy using spectral domain optical coherence tomography. METHODS: Prospective observational case series of 12 eyes (6 consecutive patients) diagnosed with acute posterior multifocal placoid pigment epitheliopathy. All patients underwent complete ophthalmologic examination, fundus photography, fluorescein angiography, and spectral domain optical coherence tomography at the initial visit. During follow-up, ophthalmologic examination and spectral domain optical coherence tomography scans were performed. The scans were directed to the lesions observed on the clinical examination and fluorescein angiography. RESULTS: Spectral domain optical coherence tomography classification containing four distinct stages for acute posterior multifocal placoid pigment epitheliopathy is proposed. Stage 1 demonstrates a dome-shaped elevation with disruption of the photoreceptor junction that flattens shortly after. Stage 2, occurring 2 weeks later, demonstrates distinct separation between the photoreceptor junction and the retinal pigment epithelium (RPE). Stage 3, visible 6 weeks post disease initiation, demonstrates accentuated RPE hyperreflectivity and union of the RPE and photoreceptor junction. Stage 4, the resolution phase, starts at 3 months demonstrating reformation of 2 distinct visible layers of photoreceptors and RPE. CONCLUSION: The morphologic retinal findings in acute posterior multifocal placoid pigment epitheliopathy visible by the spectral domain optical coherence tomography occur in the outer retina, mainly the photoreceptors and RPE. Most findings reached nearly complete resolution and were correlated with improvement in visual acuity.
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