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Related Experiment Videos

Choroidal osteoma after intraocular inflammation.

S N Trimble, H Schatz

    American Journal of Ophthalmology
    |December 1, 1983
    PubMed
    Summary

    A rare choroidal osteoma was diagnosed in a young girl with vision problems. This bone tumor in the eye eventually showed calcification, confirming the diagnosis after years of observation.

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    Area of Science:

    • Ophthalmology
    • Medical Imaging

    Background:

    • A 12-year-old girl presented with persistent blurred vision and retrobulbar pain.
    • Previous episodes were misdiagnosed as scleritis and uveitis, with the patient on corticosteroid therapy.

    Observation:

    • Initial examination revealed focal choroiditis and optic nerve edema.
    • A choroidal mass was noted, initially negative for calcium on computed tomography (CT) and ultrasonography.
    • Corticosteroid treatment was discontinued, leading to visual acuity improvement but lesion enlargement and new lesion formation.

    Findings:

    • Over five years, the choroidal lesions evolved, with new lesions coalescing and developing vascular channels.
    • Despite initial negative imaging, a thin ring of calcium was eventually detected within the choroid via CT and ultrasonography.
    • These findings confirmed a diagnosis of choroidal osteoma.

    Implications:

    • This case highlights the diagnostic challenges of atypical choroidal osteomas, especially in pediatric patients.
    • Delayed or missed diagnosis can occur if imaging characteristics evolve over time.
    • Long-term monitoring is crucial for identifying characteristic calcification in suspected choroidal osteomas.

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