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Choroidal Nevus With Outer Retinal Atrophy Simulating Solar Retinopathy.

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Summary

A choroidal nevus can cause visual distortion and outer retinal atrophy, mimicking solar retinopathy. Enhanced depth imaging optical coherence tomography (EDI-OCT) is crucial for diagnosing these retinal pigment epithelial changes.

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Area of Science:

Ophthalmology
Medical Imaging

Background:

Choroidal nevi are common benign melanocytic tumors.
Visual disturbances can occur with choroidal nevi due to overlying retinal changes.

Observation:

A 58-year-old man presented with 2 years of visual distortion in his right eye.
Fundus examination revealed a macular pigmented lesion with central retinal pigment epithelial (RPE) atrophy and drusen.
Enhanced depth imaging optical coherence tomography (EDI-OCT) showed a choroidal lesion with vascular compression and outer retinal atrophy.

Findings:

The patient was diagnosed with choroidal nevus with focal outer retinal atrophy, presenting a pseudosolar retinopathy appearance.
Despite the appearance, the patient denied causative factors like sun-gazing.
EDI-OCT revealed significant retinal and RPE alterations overlying the choroidal nevus.

Implications:

EDI-OCT is vital for evaluating retinal and RPE changes associated with choroidal nevi.
This case highlights the importance of advanced imaging in differentiating choroidal nevi from other macular pathologies.
Understanding these imaging findings aids in accurate diagnosis and management of choroidal lesions.