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ABNORMAL VASCULAR COMPLEX WITHIN AN IDIOPATHIC EPIRETINAL MEMBRANE IMAGED BY OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY

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Abstract

Purpose:

To report the case 70-year-old patient presenting with preretinal, abnormal vascularization accompanying an idiopathic epiretinal membrane (ERM), identified by optical coherence tomography angiography.

Methods:

Observational case report of one patient.

Results:

The authors describe the case of a patient presenting with an ERM on the right eye since March 2011, diagnosed by fundus biomicroscopy and spectral domain optical coherence tomography (Spectralis; Heidelberg Engineering, Heidelberg, Germany). At the last follow-up visit, the patient had a Snellen best-corrected visual acuity of 20/32 in her right eye and 20/20 in her left eye. Although on spectral domain optical coherence tomography the aspect on the right eye was unchanged since prior examination, optical coherence tomography angiography (Angiovue; Optovue, Fremont, CA) was able to reveal a high-flow, abnormal vascular network in the preretinal manual segmentation corresponding to the ERM.

Conclusion:

Spectral domain optical coherence tomography, routinely performed in these patients, may underestimate the presence of abnormal vascularization, as both preretinal neovascular complexes and thick ERMs appear as hyperreflective structures. Optical coherence tomography angiography allows a fast and depth-resolved visualization of these abnormal vascular complexes inside idiopathic ERMs. Diagnosis of a vascularized epiretinal structure could be noteworthy before decision of retinal surgery.

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