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Nonteratoid medulloepithelioma of the retina with electron microscopic and immunohistochemical characterization.

Authors
Type
Published Article
Journal
Pediatric pathology & laboratory medicine : journal of the Society for Pediatric Pathology, affiliated with the International Paediatric Pathology Association
Publication Date
Volume
16
Issue
4
Pages
663–672
Identifiers
PMID: 9025863
Source
Medline
License
Unknown

Abstract

Medulloepitheliomas are rare intraocular tumors, predominant in children, and originate mainly from undifferentiated nonpigmented epithelium of the ciliary body. These tumors rarely involve the optic nerve or the retina. They are classified as nonteratoid and teratoid types; the latter contains heterologous tissues. The teratoid variant of medulloepitheliomas involving the optic nerve or the retina is reported in four patients only. We describe the first case of a benign nonteratoid medulloepithelioma of the retina in a 3 1/2-year-old girl with immunohistochemical and electron microscopic characterization.

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