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Related Experiment Videos

Choroidal melanoma clinically simulating a retinal angioma.

J A Shields, L Joffe, P Guibor

    American Journal of Ophthalmology
    |January 1, 1978
    PubMed
    Summary

    A rare amelanotic choroidal melanoma was diagnosed in a 35-year-old man. This malignant lesion was identified by a radioactive phosphorus uptake test and confirmed post-enucleation.

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    Area of Science:

    • Ophthalmology
    • Oncology

    Background:

    • Choroidal melanomas can present with varied clinical features.
    • Amelanotic variants pose diagnostic challenges.

    Observation:

    • A 35-year-old male presented with an amelanotic fundus lesion and a dilated retinal vessel.
    • Initial diagnostic imaging, including fluorescein angiography and B-scan ultrasonography, was inconclusive.

    Findings:

    • A radioactive phosphorus uptake test indicated malignancy.
    • Histopathological examination of the enucleated globe confirmed a malignant choroidal melanoma.
    • The tumor was notably drained by a large retinal vein.

    Implications:

    • This case highlights the importance of considering rare amelanotic choroidal melanomas.
    • Advanced diagnostic tests may be crucial for accurate diagnosis.
    • Understanding tumor vascular drainage patterns is vital in ophthalmologic oncology.

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