MEDULLOEPITHELIOMA OF CILIARY BODY ADULT TYPE- A RARE PRESENTATION
نویسندگان
چکیده
منابع مشابه
Medulloepithelioma of the ciliary body: ultrasonographic biomicroscopic findings.
ntraocular medulloepithelioma is an uncommon embryogenic neoplasm of neuroepithelial origin that usually develops from the nonpigmented epithelium of the ciliary body, retina, and optic nerve.1 Clinically, medulloepithelioma usually appears as a tumor of the ciliary body; only rarely does it arise in the optic nerve and retina. It frequently occurs on the ciliary body of a young child as a fles...
متن کاملDiffuse retinal involvement in malignant nonteratoid medulloepithelioma of ciliary body in an adult.
Intraocular medulloepithelioma is a rare embryonal neoplasm that occurs predominantly in children and arises from the primitive medullary epithelium of the optic cup. Medulloepitheliomas that contain heterotopic elements or tissues such as brain, cartilage, or rhabdomyoblasts are classified as teratoid, and tumors lacking these elements are classified as nonteratoid medulloepitheliomas. Both no...
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Three different types of tumors are known to develop from the pars ciliaris reti nae: the benign Fuchs epithelioma, the ma lignant medullo-epithelioma of the embry onic type, and the malignant medullo-epi thelioma of the adult type. Chart 1 indicates the relationship of these tumors to the prim itive retinal elements and to the tumors of other parts of the retina. The Fuchs epithelioma sim...
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Uveal melanoma is the most common primary malignant tumour of the eye in adults, predominantly found in Caucasians, particularly in those with light-colored irides. The lesion is usually single and unilateral, 85% arising from the choroid and 15% from the ciliary body. Ocular malignant melanomas are infrequently seen in Indian patients .The incidence of this tumour is 0.02 0.06% in India and mo...
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ژورنال
عنوان ژورنال: Journal of Evolution of Medical and Dental Sciences
سال: 2017
ISSN: 2278-4748,2278-4802
DOI: 10.14260/jemds/2017/599