Transformation of Optic Disc Melanocytoma Into Melanoma Over 33 Years
نویسندگان
چکیده
منابع مشابه
Transformation of optic disc melanocytoma into melanoma over 33 years.
sure was 8 mm Hg OU. Biomicroscopic examination revealed small, nongranulomatous keratic precipitates, 1 anterior chamber cell and flare, 1 to 2 vitreous cells and 1 haze, and multiple hypopigmented punctate lesions in the foveae in both eyes. These lesions demonstrated early staining on fluorescein angiography (Figure, A and B) and nodular increased reflectivity at the level of the retinal pig...
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INTRODUCTION Melanocytoma of the optic disc is a benign lesion. OBJECTIVE To describe a case of optic disc melanocytoma CASE A 48-year old lady presented with gradual visual impairment associated with a floater. The right eye fundus examination showed a mass uniformly dark black in colour on the optic disc. The mass completely obscured the fluorescence on fluorescein angiography and was thu...
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We present an unusual case of a melanocytoma of the optic disc that showed documented progressive growth over a period of six years. It reached the largest size of any reported optic nerve melanocytoma and the eye was enucleated because of the possibility of malignant degeneration. Optic nerve melanocytomas are locally invasive but are not known to undergo transformation into malignant melanoma...
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A 35-year-old black man developed abrupt visual loss in his left eye. Ophthalmic examination revealed a deeply pigmented mass obscuring the optic disc, hemorrhagic retinopathy, and signs of central retinal vascular obstruction. Fluorescein angiography disclosed sluggish filling of the retinal blood vessels; ultrasonography disclosed an acoustically solid mass in the optic nerve head. Cytopathol...
متن کاملMalignant transformation of intramedullary melanocytoma: case report.
OBJECTIVE Meningeal melanocytomas are low-grade primary melanocytic tumors with benign histological features and a favorable clinical prognosis. Transition from meningeal melanocytoma to primary melanoma of the central nervous system is exceptionally rare, with only 5 cases having been previously reported. Here, we discuss a case of malignant transformation of an intramedullary melanocytoma to ...
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ژورنال
عنوان ژورنال: Archives of Ophthalmology
سال: 2012
ISSN: 0003-9950
DOI: 10.1001/archophthalmol.2012.740