4.6 Article

Indocyanine Green Angiography Features in Acute Syphilitic Posterior Placoid Chorioretinitis

期刊

AMERICAN JOURNAL OF OPHTHALMOLOGY
卷 241, 期 -, 页码 40-46

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ELSEVIER SCIENCE INC
DOI: 10.1016/j.ajo.2022.02.008

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资金

  1. IHU FOReSIGHT [ANR-18-IAHU-01]
  2. LabEx LIFESENSES [ANR-10-LABX-65]
  3. ERC Synergy HELMHOLTZ
  4. Banque publique d'Investissement
  5. Foundation Fighting Blindness

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The study aimed to comprehensively analyze multimodal imaging findings in patients with ASPPC and highlight the value of ICGA for the diagnosis of ASPPC. It was found that ASPPC could be caused by retinal pigment epithelium dysfunction and was characterized by hypofluorescence visible only on late-phase ICGA.
PURPOSE: Acute syphilitic posterior placoid chorioretinitis (ASPPC) is a rare clinical manifestation of ocular syphilis. The cause of the placoid lesion is still up for debate but could be caused by an impaired choriocapillaris perfusion. However, less attention has been paid to the hypofluorescence of the plaque on late-phase indocyanine green angiography (ICGA). The aim of this study was to comprehensively analyze multimodal imaging findings in patients with ASPPC and to highlight the value of ICGA for the diagnosis of ASPPC. DESIGN: Retrospective observational case study. METHODS: The medical records of patients with uveitis who consulted our tertiary center between 2012 and December 2015 were reviewed. Patients who were diagnosed with uveitis related to syphilis infection with posterior placoid lesions seen on multimodal imaging were included. We compared the aspect of ASPPC on fundus color photography, blue autofluorescence, fluorescein angiography, optical coherence tomography, and early-, mid and late-phase ICGA. RESULTS: Fifteen eyes of 12 patients were included in the study. Hypofluorescent plaques were seen on late phase ICGA in all eyes, corresponding to the placoid lesions visible on blue autofluorescence, while the choriocapillaris filling was normal on fluorescein angiography and ICGA. Within the plaques, optical coherence tomography showed ellipsoid zone disruptions, outer retinal disruptions, and retinal pigment epithelium granulations. CONCLUSION: ASPPC could be caused by retinal pigment epithelium dysfunction secondary to an infectious or inflammatory disorder, characterized by a hypofluorescence visible only on late-phase ICGA, and resulting in photoreceptor disruptions. The RPE impairment was reversible after prompt antibiotic treatment. (C) 2022 Elsevier Inc. All rights reserved.

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