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Optical Coherence Tomography Angiography Findings in Diffuse Unilateral Subacute Neuroretinitis
Background And Objective:
To report a unique case series of diffuse unilateral subacute neuroretinitis (DUSN) patients imaged with optical coherence tomography angiography (OCTA).
Patients And Methods:
In this retrospective case series, multimodal imaging was performed in four patients with DUSN at the time of patient visit. The study patients underwent standard clinical treatment for DUSN.
Results:
The clinical findings were consistent with the diagnosis of DUSN. Cross-sectional OCT showed disruption of outer retinal layers in the foveal area and an irregular structure of the outer plexiform layer. En face OCT revealed hyperreflective spots and a large hyperreflective lesion in the foveal area correspondent to the outer retina disruption seen on cross-sectional OCT. OCTA demonstrated decreased vascular perfusion in both the superficial and deep retinal capillary plexuses along with choriocapillaris preservation.
Conclusion:
OCTA may provide a more detailed assessment of the retinal microvascular changes, allowing a more precise anatomical-functional correlation in DUSN. [Ophthalmic Surg Lasers Imaging Retina. 2020;51:76-83.].
