Sveinsson Chorioretinal Atrophy: A New Gene Variant

We report the case of a 61-year-old Hispanic female patient with clinical features consistent with Sveinsson chorioretinal atrophy (SCRA), including bilateral peripapillary chorioretinal atrophy and early macular involvement. The patient presented with no significant visual complaints but demonstrated reduced visual acuity in the left eye and characteristic peripheral fundus findings. Multimodal imaging, including spectral-domain optical coherence tomography (OCT), revealed centrifugal extension of atrophy and central macular thinning. Genetic testing identified a heterozygous <i>TEAD1</i> variant (c.599C>T; p.Ala200Val), currently classified as a variant of uncertain significance. This variant has not been previously reported in association with SCRA in Hispanic or Caribbean populations. The case highlights the importance of clinical-genetic correlation in the interpretation of rare variants and expands the phenotypic and geographic spectrum of <i>TEAD1</i>-associated retinal dystrophies. Broader genetic screening and functional studies are warranted to determine the pathogenic potential of this variant and improve diagnostic accuracy in underrepresented populations.

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Publication Details

Journal
Cureus
Published
2025-08-20
DOI
https://doi.org/10.7759/cureus.90588
Primary Topic
Genetic Neurodegenerative Diseases
Type
article
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article

Sveinsson Chorioretinal Atrophy: A New Gene Variant

Natalio Izquierdo, Rosario Calderón, Sebastián J Vázquez-Folch
Cureus
Genetic Neurodegenerative Diseases
article

Sveinsson Chorioretinal Atrophy: A New Gene Variant

Natalio Izquierdo, Rosario Calderón, Sebastián J Vázquez-Folch
article en

Abstract

We report the case of a 61-year-old Hispanic female patient with clinical features consistent with Sveinsson chorioretinal atrophy (SCRA), including bilateral peripapillary chorioretinal atrophy and early macular involvement. The patient presented with no significant visual complaints but demonstrated reduced visual acuity in the left eye and characteristic peripheral fundus findings. Multimodal imaging, including spectral-domain optical coherence tomography (OCT), revealed centrifugal extension of atrophy and central macular thinning. Genetic testing identified a heterozygous <i>TEAD1</i> variant (c.599C>T; p.Ala200Val), currently classified as a variant of uncertain significance. This variant has not been previously reported in association with SCRA in Hispanic or Caribbean populations. The case highlights the importance of clinical-genetic correlation in the interpretation of rare variants and expands the phenotypic and geographic spectrum of <i>TEAD1</i>-associated retinal dystrophies. Broader genetic screening and functional studies are warranted to determine the pathogenic potential of this variant and improve diagnostic accuracy in underrepresented populations.

CureusVol. 17(8)
University of Puerto Rico, Medical Sciences Campus (PR), Central University of the Caribbean (PR)
Zero hunger
Openalex Percentile: Top 77%
Genetic Neurodegenerative Diseases
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Sveinsson Chorioretinal Atrophy: A New Gene Variant — Natalio Izquierdo, Rosario Calderón, et al. · Cureus (2025) | TGRS Research Map | TGRS