Pigmented Medulloepithelioma of the Ciliary Body
Arch Ophthalmol. 2002;120:207-210.
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A 3-year-old girl developed leukocoria in her right eye and was found
to have a fibrovascular cyclitic membrane and a pigmented ciliary body mass.
Following removal of the mass by iridocyclochoroidectomy and localized vitrectomy,
it proved histopathologically to be a malignant medulloepithelioma with cytoplasmic
melanin pigment. Five months later, tumor recurrence necessitated enucleation.
Although ciliary body medulloepithelioma is usually an amelanotic, fleshy
mass with an intralesional cystic component, it can occur as a pigmented solid
tumor that may resemble a melanoma or a neoplasm of the pigment epithelium.
Intraocular medulloepithelioma is a well-known but uncommon pediatric
neoplasm that usually occurs in the ciliary body.1-4
This embryonic tumor is believed to arise from the primitive medullary epithelium
that composes the anterior lip of the optic cup.5
It usually occurs on the ciliary body of a young child as a fleshy gray or
pink mass, often with clinically evident cysts. Although small . . . [Full Text of this Article] Report of a Case
Pathologic Findings
Comment
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Echographic features of a case of malignant intraocular medulloepithelioma
Owen et al.
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