Splitting of retinal pigment epithelium and Bruch’s membrane due to a focal choroidal excavation

We report an unusual finding of a split between the Bruch’s membrane (BM) and retinal pigment epithelium (RPE) due to a focal choroidal excavation (FCE) in a healthy young girl with sudden onset visual disturbance. She was followed up regularly for over a year with serial optical coherence tomograph...

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Bibliographic Details
Published in:Oman journal of ophthalmology 2023-05, Vol.16 (2), p.347-350
Main Authors: Ratra, Dhanashree, Ratra, Vineet, Raviselvan, Munispriyan
Format: Article
Language:English
Subjects:
bruch's membrane split
Case Report
choroiditis
Epithelium
focal choroidal excavation
inflammation
optical coherence tomography
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Summary:We report an unusual finding of a split between the Bruch’s membrane (BM) and retinal pigment epithelium (RPE) due to a focal choroidal excavation (FCE) in a healthy young girl with sudden onset visual disturbance. She was followed up regularly for over a year with serial optical coherence tomography (OCT) scans which revealed a parafoveal conforming type of FCE. Initial retinal edema subsided in a month. No associated pathology, such as a choroidal neovascular membrane, was seen. A split was seen between the RPE and the BM on one side of the FCE, which remained unchanged. We postulate this novel finding of the split between the RPE and BM to be due to the inelasticity of the BM, causing it to separate from the RPE due to the sudden outward force exerted during the formation of an FCE.
ISSN:0974-620X
0974-7842
DOI:10.4103/ojo.ojo_304_22