Posters

Focal choroidal excavation. A case report

Poster Details

First Author: P.Plaza-Ramos SPAIN

Co Author(s):    E. Borque Rodriguez-Maimon   E. Compains Silva   A. Zubicoa Eneriz   C. Abascal Azanza   M. Mozo Cuadrado   L. Tabuenca del Barrio              

Abstract Details



Purpose:

A focal choroidal excavation is a choroidal posteriorly excavated zone without evidence of any scleral change neither staphyloma. It was first described by Klien in 1959, and considered as an imperfect closure of the embryonal closure by Liu in 2010. Even if this entity has been described associated with other chorioretinal pathology such as central serous choriorethinopathy (CSC) or choroidal neovascularization (CNV), the aetiologic and pathologic mechanisms underlying this condition remain unclear. It normally appears unilaterally. Patients may refer central scotoma, decrease of visual acuity or metamorphopsia, although the majority of them remain asymptomatic.

Setting:

We report a case of a focal choroidal excavation without other chorioretinal pathology associated.

Methods:

A 44 year-old woman was referred by an optometrist because of a less than normal best corrected visual acuity, which was 20/32. Slit lamp examination of the anterior segment was unremarkable. Funduscopy revealed retinal pigment epithelium (RPE) mottling changes and optical coherence tomography (OCT) showed a focal choroidal excavation without involvement of the inner layers of the retina and without subretinal fluid.

Results:

In the posterior visits no other entities appeared at fundoscopy nor OCT and the visual acuity still in 20/32.

Conclusions:

The focal choroidal excavation is an unusual outcome. It is important to discard a history of infection, trauma or posterior uveitis to diagnose it. CSC and CNV have been related to this entity and it is necessary to explain both complications to the patient.

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