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  • Title: Arterial occlusion associated with a prepapillary vascular loop. Anatomical changes on the long term follow up.
    Author: Zermeno-Arce AJ, Ledesma-Gil G, Moreno-Mendoza R, Graue-Wiechers F.
    Journal: Arch Soc Esp Oftalmol (Engl Ed); 2019 Aug; 94(8):405-408. PubMed ID: 31153658.
    Abstract:
    We report the case of a 13-year-old patient who complains of an acute superior visual field scotoma in the last 48hours. Best corrected visual acuity (BCVA) was 20/20 in both eyes. The right eye fundus examination revealed torsion of a prepapillary loop in the inferior branch of the retinal artery, associated with a arterial vascular attenuation and whitenning of the inferior retina that involved both nasal and temporal branches but spared the foveal region. During the follow-up the vascular loop dissapeared and only glial tissue was seen in front of the optic nerve head. BCVA remained 20/20 in both eyes. This report shows the evolution of the vascular loop after an occlusion. The absence of blood flow produces a collapse of the arterial walls, in time the vascular loop is replaced by glial tissue.
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