Diffuse malignant ring melanoma of the iris and ciliary body.
نویسنده
چکیده
2 cases of diffuse malignant ring melanoma of the anterior uvea are presented. A correct clinical diagnosis led to enucleation in case 1, while in case 2, the eye was enucleated 2 years after anti-glaucomatous surgery.
منابع مشابه
Retinoinvasive malignant melanoma of the uvea.
AIMS To define a retinoinvasive phenotype of uveal melanoma based on an informative case and survey of literature. METHODS A 65-year-old woman developed a circumscribed mixed cell type melanoma of the ciliary body that was locally excised. After 6 years, secondary glaucoma evolved. Three years later a ring melanoma was diagnosed and the eye was enucleated. The histopathological material was a...
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Purpose The most common malignant intraocular tumors with a high mortality in adults are uveal melanomas. Uveal melanomas arise most frequently in the choroid or ciliary body (97%) and rarely in the iris (3%). Whereas conjunctival and posterior uveal (ciliary body and choroidal) melanomas have been studied in more detail genetically, little data exist regarding iris melanomas. Methods In our ...
متن کاملSimultaneous bilateral primary diffuse malignant uveal melanoma: case report with pathological examination.
A 50-year-old Japanese housewife became blind owing to bilateral diffuse malignant melanoma of the choroid, ciliary body, and iris. These were histologically proved when enucleation was required because of blind painful eyes with raised intraocular pressures. She presented with reduced visual acuity and night blindness. Small scattered atrophic areas were observed between disc and macula on bot...
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The iris is the least common site of primary uveal melanoma. The prognosis of iris melanoma is better than that of melanoma of the ciliary body and choroid, but the reason for this difference is unclear. One possible explanation is that iris melanoma is smaller than its posterior segment counterparts at the time of diagnosis. Most iris melanomas are spindle cell types, according to a modified C...
متن کاملRing melanoma--a rare cause of refractory glaucoma.
BACKGROUND Ring melanoma of the ciliary body and iris is extremely rare and often has adverse histology. This tumour may cause raised intraocular pressure. METHODS A review of four cases of ring melanomas with insidious presentations seen in the ocular oncology service over a 12 month period. RESULTS All four patients presented with unilateral anterior segment abnormalities and refractory g...
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ورودعنوان ژورنال:
- The British journal of ophthalmology
دوره 69 7 شماره
صفحات -
تاریخ انتشار 1979