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Choroidal melanoma clinically simulating a retinal angioma.
American Journal of Ophthalmology
|January 1, 1978
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.
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.