Pigmented malignant teratoid medulloepithelioma of ciliary body – An extremely rare intraocular tumor in adult
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چکیده
منابع مشابه
Malignant teratoid medulloepithelioma in eye.
Malignant teratoid medulloepithelioma is an extremely rare tumor occurring in children younger than 5 years of age, arising from ciliary body epithelium or iris but few arise from optic nerve and retina. This report concerns a 5 years old boy who presented with pain, redness and protrusion of right eye. Histopathologically, the tumor was composed of epithelial and sarcomatoid component. The pse...
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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purpose: to present a case of orbital granular cell tumor, a rare orbital tumor. case report: a 55-year-old woman presented with binocular diplopia and right ocular displacement. the problem had initiated 3 years ago. a firm nontender mass at the region of the right lower lid was visible. orbital ct-scan disclosed a well-defined mass in the inferior right orbit with involvement of the inferior ...
متن کاملOn the Classification and Grading of Medulloepithelioma of the Eye
Medulloepithelioma is a rare congenital tumor of the ciliary body and iris. The current classification and grading of medulloepithelioma shows inconsistencies and does not reflect clinical behavior. This position paper discusses the backgrounds of the current classification and intends to initiate a discussion on an alternative classification and grading scheme. © 2016 The Author(s) Published b...
متن کاملMedulloepithelioma 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...
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ژورنال
عنوان ژورنال: Saudi Journal of Ophthalmology
سال: 2014
ISSN: 1319-4534
DOI: 10.1016/j.sjopt.2013.07.011